Farm Machinery and Mechanization Flashcards by Lhy Buquiron

It is the utilization of hand tools, implements for draft animals, and mechanically-powered machines for agricultural land development, production, harvesting and non-farm processing.

A. Agricultural machinery and equipment
C. Agricultural mechanization
B. Agricultural development
D. All of these

C. Agricultural mechanization

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Which of the following countries follow the mechanization model of low land area to farmer ratio?

A. Thailand
C. Malaysia
B. Philippines
D. Indonesia

B. Philippines

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The country which has the highest level of mechanization.

A. Thailand
C. Korea
B. Philippines
D. China

C. Korea

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Machine commonly manufactured in the Philippines:

A. Rice mill
C. Thresher
B. Tractor
D. Grain dryer

C. Thresher

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Currently, this is considered as highly mechanized sector in the Philippines:

A. Rice
C. Corn
B. Sugar
D. Coconut

A. Rice

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This crop is the focus when tractors are first introduced in the Philippines:

A. Corn
C. Peanut
B. Sugarcane
D. Banana

B. Sugarcane

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The following are the reasons why mechanization is a difficult problem in less developed countries, except:

A. Social system
C. Resistance to change of some farmers
B. Small farm size
D. Land conservation programs

D. Land conservation programs

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These are machines that generate labor by increasing cropping intensities and make possible the full utilization of farm products and by-products:

A. Category I AMTs
C. Category III AMTs
B. Category II AMTs
D. Category IV AMTs

A. Category I AMTs

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An international testing center for tractor.

A. International Rice Research Institute
C. NEBRASKA
B. International Farm Machinery Institute
D. None of these

C. NEBRASKA

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Vehicle designed to pull, propel, and supply power to operate machinery used in agricultural operation.

A. Agricultural Tractor
C. Payloader
B. Automobile
D. None of these

A. Agricultural Tractor

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It is a factor which considers the physical condition, heart-beat ratio, and body weight of a person when operating a machine.

A. Humanistic factor
C. Ergonomic factor
B. Mechanical operation factor
D. All of these

C. Ergonomic factor

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In ASAE, safety code for laboratory equipment and typical application, the safety yellow color stands for:

A. Danger stop
C. Caution
B. Warning
D. None of these

C. Caution

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A safety gray color at the ASAE safety code is code for:

A. Floor or work area around machines and Equipment
C. Areas with radiation hazard
B. Traffic and housekeeping areas
D. All of these

A. Floor or work area around machines and Equipment

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When pipeline is painted with green and white color, the safety code means that the pipe contains:

A. Liquid of inherently low hazard
C. Fire extinguishing materials
B. Flammable or explosion materials
D. All of these

A. Liquid of inherently low hazard

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ASAE classification for slow moving vehicle such as animal-drawn or motorize conveyance, including implements in tow should not be exceeded a travel speed of:

A. 30 kph
C. 50 kph
B. 40 kph
D. None of these

B. 40 kph

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For safety purposes, slow-moving vehicle such as agricultural machines must be provided with:

A. Identification emblem to guide motorist that the machine is slow moving
B. Rear bumper to protect the machine from impact
C. Signal light when traveling
D. None of these

A. Identification emblem to guide motorist that the machine is slow moving

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Types of guards designed to prevent contact with the moving parts by a person and/or clothing.

A. Shield
C. Casing
B. Cover
D. All of these

D. All of these

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Which is not a tractor safety measure?

A. Not using the differential lock when turning
C. Not refueling while the engine is hot
B. Not shifting gears while going down a slope
D. Keeping the hitches high

D. Keeping the hitches high

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A frame for protection of operators of compact utility tractors to minimize the possibility of serious crushing injury to the operator resulting from accidental upset.

A. Tractor shield frame
C. Roll bar
B. Roll-over protection structure
D. None of these

B. Roll-over protection structure

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The identification of the given tire with its maximum recommended load when used in specific type service.

A. Tire rating
C. Ply rating
B. Tire lug rating
D. All of these

C. Ply rating

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When viewed in front, tractor tires must be mounted with the V-pattern pointing in what direction?

A. Sideward
C. Downward
B. Upward
D. Backward

C. Downward

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Tires can be partially filled with water to improve traction.

A. Wheelbase
C. Drawbar
B. Rollover
D. Ballast

D. Ballast

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The substance that is added to the tractor for the purpose of changing traction and stability.

A. Ballast
C. Stabilizer
B. Pneumatic tire
D. Hydraulic lift

A. Ballast

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Maximum tire inflation pressure for agricultural implement.

A. 40 psi
C. 100 psi
B. 60 psi
D. None of these

B. 60 psi

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Gear oil is used for: A. Engine C. Hydraulic system B. Transmission box D. All of these

B. Transmission box

The gearbox placed on first gear will develop: A. High torque - high speed C. High torque – low speed B. Low torque – low speed D. Low torque – high speed

C. High torque – low speed

Four-wheel tractors are characterized as: A. Low speed-low torque C. High speed-high torque B. Low speed-high torque D. High speed-low torque

B. Low speed-high torque

Percentage work done in pulling an average plow. A. 50 % C. 30 % B. 18 % D. None of these

B. 18 %

Percentage work of plow used in cutting furrow slice. A. 43 % C. 24 % B. 58 % D. None of these

A. 43 %

Weight transfer means: A. To shift implements weight to the tractor’s drive wheel in order to improve traction B. To transfer torrens title from the landlord to the tenant C. To move paddy from field to the granary D. None of these

A. To shift implements weight to the tractor’s drive wheel in order to improve traction

This refers to the changes in the front and rear wheel reaction that occur when a tractor pulls a drawbar load. A. Resistance C. Rolling moment B. Traction D. Weight transfer

D. Weight transfer

The center of gravity of a standard two-wheel-drive tractor is located: A. At the mid center of the tractor B. 1/3 of the wheel base ahead of the rear wheel axle of the tractor C. Near the front axle wheel of the tractor D. None of these

B. 1/3 of the wheel base ahead of the rear wheel axle of the tractor

Select two consecutive farm operations which when done mechanically can increase cropping intensity: A. Planting – spraying C. Harvesting – plowing B. Irrigation – weeding D. Harvesting – threshing

C. Harvesting – plowing

The mechanical manipulation of soil for any purpose. A. Land grading C. Earth moving B. Tillage D. None of these

B. Tillage

The pushing or rolling of soil by a steeply inclined blade. A. Bulldozing C. Subsoiling B. Chiselling D. None of these

A. Bulldozing

A tillage operation traditionally performed in preparing a seedbed for a given crop grown in a given geographical area. A. Conventional tillage C. Strip tillage B. Conservation tillage D. None of these

A. Conventional tillage

A secondary tillage operation which pulverizes, smoothens, and packs the soil during seedbed preparation and also controls weeds. A. Harrowing C. Chiselling B. Listing D. None of these

A. Harrowing

A tillage and land forming operation using a tool which splits the soil and turns two furrows laterally in opposite directions, thereby providing a ridge-and-furrow soil configuration. A. Harrowing C. Chiselling B. Listing D. None of these

B. Listing

. It is deep chiselling below 16 in. For the purpose of loosening soil for root growth and/or water movement. A. Ridging C. Subsoiling B. Chiselling D. None of these

C. Subsoiling

A procedure in which planting is made directly into an essentially unprepared seedbed. A. Zero tillage C. Reduced tillage B. No-tillage planting D. None of these

A. Zero tillage

Minimum soil manipulation necessary for crop production or for meeting tillage requirements under existing soil condition. A. Much tillage C. Minimum tillage B. No-tillage planting D. None of these

C. Minimum tillage

Machine operation in which there are two or more machines performing their own respective operation simultaneously. A. Individual operation C. Series operation B. Parallel operation D. None of these

B. Parallel operation

Machine operation in which there are two or more machines performing their own respective operation in sequence. A. Individual operation C. Series operation B. Parallel operation D. None of these

C. Series operation

Machine operation in which one or more similar machines are operated as one unit. A. Individual operation C. Series operation B. Parallel operation D. None of these

A. Individual operation

Field operating pattern where it has trips that parallel with each other, are incremented successively by the operating width of the implement, and initiated at one boundary and terminated at the opposite. A. Circuitous pattern C. Alternation pattern B. Headland pattern D. None of these

B. Headland pattern

It describes the operation of the implement operation paralleling each land’s boundaries and is commonly describes as “going around the field.” A. Circuitous pattern C. Alternation pattern B. Headland pattern D. None of these

A. Circuitous pattern

It is sometimes used in processing established row crops and a modification of continuous pattern. A. Circuitous pattern C. Alternation pattern B. Headland pattern D. None of these

C. Alternation pattern

Acceptable level wheel slip for two-wheel drive tractor on a tilled or soft soil. A. 7 - 11% C. 16 - 20% B. 10 - 15% D. None of these

B. 10-15%

What machinery gives the greatest ROI? A. Grain dryer C. Power tiller B. Combine harvester D. Tractor

d. tractor

The coefficient of traction for wheel-type tractor is highest for: A. Concrete road C. Sandy loam soil B. Fine sand D. All of these

a. concrete road

It is used to protect tractor operator from dust, noise, rain and heat. A. Operator’s shield C. Cab B. Chasis D. None of these

C. Cab

It is the center-to-center distance between two front or rear wheels. A. Wheel clearance C. Wheel distance B. Wheel tread D. None of these

B. Wheel tread

The pivotal point of connection of hitch to the tractor or a center of the articulated connection between link and the implement. A. Hitch point C. Implement point B. Link point D. All of these

A. Hitch point

It is an articulated connection between a link and the implement. A. Hitch point C. Implement point B. Link point D. All of these

A. Hitch point

It is an articulated connection between a link and the tractor. A. Hitch point C. Implement point B. Link point D. All of these

B. Link point

Device that connects and disconnects power input to the power output. A. Clutch C. Pulley B. Gear D. None of these

A. Clutch

General-purpose tillage equipment is used in: A. 2-wheel tractor for wetland operation C. 4-wheel tractor for wetland operation B. 4-wheel tractor for dryland operation D. All of these

D. All of these

Tillage equipment which displaces and shatters soil, used to reduce soil strength and to bury or mix plant materials and fertilizers in the tilled layer. A. Primary tillage equipment C. Seeding and planting equipment B. Secondary tillage equipment D. None of these

A. Primary tillage equipment

A primary-tillage plow used for small rice farm. A. Moldboard C. Spiral B. Rotary D. All of these

D. All of these

A primary-tillage plow for rice farming that is attached in replacement to the cage wheel of a power tiller. A. Disk C. Spiral B. Rotary D. All of these

C. Spiral

Single-axle machine powered by an engine ranging from 3 to 15 hp: A. 2-wheel tractor C. Standard tractor B. Compact tractor D. General-purpose tractor

A. 2-wheel tractor

A type of four-wheel tractor where power is transmitted to all wheels of the tractor. A. Two-wheel drive tractor C. Hydraulic drive tractor B. Four-wheel drive tractor D. None of these

B. Four-wheel drive tractor

A type of four-wheel tractor where power is transmitted to rear wheels with small front wheels being pushed along. A. Two-wheel drive tractor C. Hydraulic drive tractor B. Four-wheel drive tractor D. None of these

A. Two-wheel drive tractor

A tractor type designed for operation with advantage under trees. A. Standard tractor C. Orchard tractor B. All-purpose row crop tractor D. All of these

C. Orchard tractor

Auxiliary gear shift lever of a tractor is usually located at the: A. Right side of the operator seat C. Front of the operator seat B. Left side of the operator seat D. None of these

A. Right side of the operator seat

Hydraulic control level of a tractor is usually located at the: A. Right side of the operator seat C. Front of the operator seat B. Left side of the operator seat D. None of these

B. Left side of the operator seat

The tractor is generally characterized as: A. High speed – heavy load C. Low speed – heavy load B. High speed – light load D. Low speed – light load

C. Low speed – heavy load

It is a self-propelled machine having a single axle designed primarily to pull and propel trailed or mounted agricultural implement and machinery. A. Walking-type tractor C. Hand tractor B. Pedestrian tractor D. All of these

D. All of these

Warranty period for hand tractor from the purchase of the machine. A. 4 months C. 12 months B. 6 months D. All of these

B. 6 months

It refers to the driving force developed by a wheel or any other traction device: A. Rolling resistance C. Inertia B. Traction D. Pull

B. Traction

In order to properly stop the forward motion of the 4-wheel tractor, the operator has to step on the: A. Brake pedal C. Brake and clutch pedals B. Clutch pedal D. Accelerator

C. Brake and clutch pedals

The differential facilitates the turning of the tractor. A. Gear lever C. PTO B. 3-pt hitch D. Steering wheel

D. Steering wheel

If it is desired to reverse the four-wheel tractor to the right, the steering wheel must be turned. A. Backwards C. Clockwise B. Counterclockwise D. Forward

C. Clockwise

PAES recommended diameter of hole in the drawbar for four-wheel agricultural tractor. A. 30 mm C. 36 mm B. 33 mm D. None of these

B. 33 mm

Drawbar types: A. Fixed drawbar C. Link drawbar B. Swinging drawbar D. All of these

d. all of these

Drawbar types: A. Fixed drawbar C. Link drawbar B. Swinging drawbar D. All of these

D. All of these

Automatic Draft Control in a modern farm tractor. A. Automatically controls the amount of air passing through the radiator to regulate the operating temperature of the engine B. Is the hydraulic implement hitch system which automatically raises or lowers a soil engaging implement to maintain its draft at a pre-selected value C. Positions the implement at a constant height or depth relative to the tractor D. Steering wheel

B. Is the hydraulic implement hitch system which automatically raises or lowers a soil engaging implement to maintain its draft at a pre-selected value

Tractor size is determined by: A. Weight, horsepower, and size and number of wheels B. Implement capacity, weight, and size and number of wheels C. Weight, horsepower, and implement capacity D. Weight, horsepower, and size ONLY

C. Weight, horsepower, and implement capacity

An implement with integral power unit designed to provide both mobility and power for performing agricultural operation: A. Mounted implement C. Trailed-mounted implement B. Self-propelled machine D. Hitch

B. Self-propelled machine

It is a special shaft that extends to the rear of the tractor and is designed to provide power to integral mounted or trailing implements such as mowers, balers, and Rotavator: A. PTO C. Differential B. Drawbar D. Hitch

A. PTO

An external shaft on an agricultural tractor other than the PTO which provides rotational power to implements that are usually front and side mounted. A. Belt drive shaft C. Auxiliary PTO B. Secondary PTO D. None of these

C. Auxiliary PTO

Power implements are usually connected to the ________ of the tractor. A. Wheel axle drive C. Front wheel drive B. Power take-off drive D. None of these

B. Power take-off drive

Power drive that can be found at the rear of the tractor to propel power implements and stationary machines. A. Power take off drive C. Differential gear B. Hydraulic system D. None of these

A. Power take off drive

The differential of a tractor is required when making a: A. Right turn C. Going straight B. Left turn D. Both A and B

D. Both A and B

Integral mounted implement are usually attached to the tractor through a: A. Single point hitch system of the tractor C. Double-hitch system of the tractor B. Three-point hitch system of the tractor D. None of these

B. Three-point hitch system of the tractor

A semi-integral mounted type implements are usually attached to the tractor through a: A. Single point hitch system of the tractor C. Double-hitch system of the tractor B. Three-point hitch system of the tractor D. None of these

B. Three-point hitch system of the tractor

Trailing-type implements are usually attached to the tractor through a: A. Single point hitch system of the tractor C. Double-hitch system of the tractor B. Three-point hitch system of the tractor D. None of these

A. Single point hitch system of the tractor

It is a special arrangement of gears so constructed and located in the transmission system of an automotive machine that it will permit one driving member to rotate slower or faster than the other and at the same time propel its share of the load: A. PTO C. Differential B. Gear box D. Automatic transmission

C. Differential

It is the special arrangement of gears to permit driving member to rotate slower or faster than the other and permit operation of driving wheels at different speed for easy turn. A. Spur gear C. Differential B. Planetary gear D. None of these

C. Differential

Part of a tractor that retards or stops one wheel during operation to be able to make short turn. A. Differential brake C. Brake pedal B. Hand brake D. All of these

A. Differential brake

It is a gear reduction of the tractor located in the power train between the differential and the driving wheel and transmit power of low speed and large tongue to the rear axles and wheels. A. Universal joint C. Differential B. Final drive D. None of these

B. Final drive

Front tread of four-wheel agricultural tractor is usually adjusted by: A. Changing bolt position of the front axle C. Changing the front axle B. Changing the size of wheel D. None of these

A. Changing bolt position of the front axle

The rear wheel for two-wheel and four-wheel drive tractors are adjusted by: A. Changing the position of the bolt of the rear axle C. Inverting the wheel disc B. Changing the rear axle D. None of these

C. Inverting the wheel disc

In optimizing the capacity of a machine, it is recommended to have: A. One small machine C. Two or more small machines B. One big machine D. All of these

C. Two or more small machines

The criteria used in evaluating the performance of a machine: A. Reliability of machine C. Cost of operation B. Environment and safety D. All of these

D. All of these

The direct type of power transmission system has: A. 90% Eff C. 98% Eff B. 95% Eff D. 100% Eff

D. 100% Eff

General-purpose tillage involves cutting and pulverizing the soil to a depth of: A. Up to 3 inches C. Up to 12 inches B. Up to 6 inches D. Up to 18 inches

B. Up to 6 inches

Primary tillage involves cutting the soil to a depth of: A. Up to 3 inches C. 6 to 18 inches B. 3 to 6 inches D. 6 to 36 inches

D. 6 to 36 inches

Secondary tillage involves pulverizing the soil to a depth of: A. Up to 3 inches C. 6 to 18 inches B. 3 to 6 inches D. 6 to 36 inches

B. 3 to 6 inches

The standard length of stroke of hydraulic remote-control cylinders for trailing-type agricultural implement is: A. 6 to 12 inches C. 10 to 20 inches B. 8 to 16 inches D. None of these

B. 8 to 16 inches

Depth of plowing for common paddy field. A. 5 to 10 cm C. 15 to 20 cm B. 10 to 15 cm D. None of these

B. 10 to 15 cm

Depth of cultivated topsoil layer being practiced in modern upland farming. A. 0 to 10 cm C. 20 cm to 30 cm B. 10 to 20 cm D. None of these

C. 20 cm to 30 cm

Minimum thrust per drawbar horsepower of hydraulic remote-control cylinder for trailing type agricultural implement. A. 68 kg C. 88 kg B. 78 kg D. None of these

A. 68 kg

In paddy field plowing operation using a four-wheel tractor, which of the following is true. A. Smaller plots are much efficient to plow than larger plots B. Larger plots are much efficient to plow than smaller plots C. Smaller or larger plots have the same plowing efficiency D. None of these

B. Larger plots are much efficient to plow than smaller plots

Tool used for displacing soil at various depths for soil research and analysis or for digging post holes by means of a rotating helical flighting. A. Soil Auger C. Extension Rod B. Drill Bit D. Soil Drill

A. Soil Auger

It is a method of plowing that moves two-way in a longitudinal direction. A. Round about plowing C. Consecutive plowing B. One-way plowing D. Return plowing

D. Return plowing

The distance between lower hitch point measured at the base of the lower hitch stud, or the distance between the inner most restraining means provided on the implement. A. Lower hitch-point spread C. Lower hitch point clearance B. Lower hitch point distance D. None of these

A. Lower hitch-point spread

A hitch system for a tractor suitable for large, heavy implement for trailer. A. Three-point hitch system C. Semi-mounted system B. Drawbar hitch system D. All of these

B. Drawbar hitch system

A primary tillage operation which manipulates the soil to a greater depth than 300 mm. A. Reservoir tillage C. Ridge tillage B. Deep tillage D. None of these

B. Deep tillage

Type of plow developed in an effort to reduce friction in a sliding bottom by using a rolling bottom is: A. Moldboard plow C. Subsoilers B. Disc plow D. Rototiller

B. Disc plow

Which does not belong to the group? A. Disc harrow C. Packer B. Field cultivator D. Disc plow

D. Disc plow

When plowing requires for the soil to be incorporated or mixed with grasses and weeds, as an agricultural and biosystems engineer you will recommend: A. Disc harrow C. Moldboard plow B. Rotary plow D. All of these

B. Rotary plow

An agricultural and biosystems engineer will recommend a _______ in order to loosen the soil during plowing: A. Subsoiler C. Chisel plow B. Field cultivator D. None of these

C. Chisel plow

If soil clods are needed to be inverted during plowing, the agricultural and biosystems engineer will recommend a: A. Disc harrow C. Both A and B B. Moldboard plow D. None of these

B. Moldboard plow

hich of the following is not driven by PTO shaft? A. Moldboard plow C. Rotary tiller B. Power harrow D. All of these

A. Moldboard plow

. Primary tillage equipment that cuts the soil to a depth of 6 to 18 inches is called: A. Moldboard plow C. Chisel plow B. Subsoiler D. Spiral plow

A. Moldboard plow

A type of plow that is widely adapted in breaking different types of soil for turning and covering crop residues. A. Rotary plow C. Disk plow B. Moldboard plow D. None of these

B. Moldboard plow

The center of resistance of moldboard plow is located: A. At the center of moldboard C. At the intersection of moldboard and share B. At the center of share D. None of these

C. At the intersection of moldboard and share

. A moldboard plow has: A. Lower draft than disk plow C. Equal draft than disk plow B. Higher draft than disk plow D. All of these

B. Higher draft than disk plow

The size of a moldboard plow is determined: A. From the top of the moldboard to the point of the share B. From tip of the moldboard to the landside C. From the wing of the share to the landside D. None of these

C. From the wing of the share to the landside

It is an auxiliary plow-working element, mounted above the shin which deposits the upper edge of the furrow in the furrow bottom. A. Tail piece C. Coulter B. Thrash board D. None of these

B. Thrash board

It is a circular flat tool placed ahead of a plow used to cut plant material and soil. A. Jointer C. Coulter B. Pinion plow D. None of these

C. Coulter

The perpendicular distance between the wing and point of the share determines the: A. Longitudinal dimension of plow C. Diagonal dimension of plow B. Transverse dimension of plow D. Maximum dimension of plow

B. Transverse dimension of plow

A six-bottom moldboard plow is to be used to plow a heavy soil. How many scrapers are there in the plow? A. 2 C. 6 B. 4 D. None of these

C. 6

It is a structural member of an implement where tillage tool is to the beam attached. A. Gang C. Shank B. Boom D. None of these

C. Shank

It is a part of the plow that connects the plow bottom and the frame. A. Upper hitch point C. Shank B. Boom D. None of these

c. shank

A central part of a plow where the share, moldboard, and landside are attached. A. Frame C. Shank B. Frog D. None of these

B. Frog

It is part of moldboard plow that is used to cut the soil. A. Shin C. Moldboard B. Share D. None these

B. Share

Part of the moldboard plow bottom that receives the furrow slice, lifts, inverts and throws it to one side is called: A. Shin C. Moldboard B. Share D. None these

C. Moldboard

It is the part of the moldboard plow that receives the furrow slice from the share and turns to break, crush, and pulverize the soil. A. Shin C. Moldboard B. Share D. None these

C. Moldboard

It is a part of the plow bottom which helps to counteract the side pressure exerted by the furrow slice. A. Shin C. Share B. Landside D. None these

B. Landside

It is a set of concave discs. A. Gang C. Disc frame B. Disc set D. None of these

A. Gang

Material recommended by PAES for use as implement frame. A. Mild steel C. Spring steel B. Cold rolled steel D. None of these

A. Mild steel

Material recommended by PAES in the manufacture of disk blade. A. Mild steel C. Cast iron B. Carbon steel D. None of these

B. Carbon steel

Part of soil profile exploited by the roots of the plant. A. Root bed C. Tillage zone B. Root zone D. None of these

B. Root zone

The soil profile modified by tillage or amendments for use by plant roots. A. Root bed C. Tillage zone B. Root zone D. None of these

B. Root zone

A trench left when the plow bottom cuts and turns the furrow slice. A. Back furrow C. Furrow B. Dead furrow D. All of these

C. Furrow

The untilled area where the machine turns. A. Dead furrow C. Back furrow B. Furrow crown D. Headland

D. Headland

It is the peak of the turned furrow slice. A. Furrow crown C. Furrow wall B. Furrow slice D. None of these

A. Furrow crown

Soil cut, lifted, inverted and thrown to one side of the blow bottom is termed: A. Clod C. Back furrow B. Furrow slice D. Dead furrow

B. Furrow slice

A raised ridge left at the center of the strip of land when plowing started center to center. A. Furrow C. Back furrow B. Furrow slice D. Dead furrow

C. Back furrow

An open trench left between the adjacent strips of land after finishing the plowing operation. A. Furrow C. Back furrow B. Furrow slice D. Dead furrow

D. Dead furrow

Solid blocks or masses that are cut, sheared or broken loose by tillage tool. A. Clod C. Loose soil B. Furrow slice D. None of these

A. Clod

It is the undisturbed or broken side of the furrow. A. Furrow crown C. Furrow wall B. Furrow slice D. None of these

C. Furrow wall

It is the minimum vertical distance between the soil surface and a potentially obstructing machine element. A. Vertical clearance C. Ground clearance B. Machine height D. None of these

C. Ground clearance

Bend downward of the point of the share to make the plow penetrate the soil to the proper depth is: A. Tilt angle C. Horizontal suction B. Disc angle D. Vertical clearance

D. Vertical clearance

Bend sideward of the point of the share to make the plow cut the proper width is: A. Tilt angle C. Horizontal suction B. Disc angle D. Vertical clearance

C. Horizontal suction

Draft of plows is primarily determined by: A. Type of soil C. Sharpness of cutting edge B. Speed of plowing D. Overall adjustment of plow

A. Type of soil

t is a large domesticated four-footed animal that is used for power in agriculture? A. Poultry and Livestock animal C. Dairy animal B. Draft animal D. None of these

B. Draft animal

What is the approximate pull of a carabao whose weight is 1000 kilogram? A. 100 kg C. 200 kg B. 150 kg D. None of these

A. 100 kg

The force to propel an implement in the direction of travel. A. Draft C. Side draft B. Drawbar horsepower D. None of these

A. Draft

A point in which all the horizontal and vertical forces in the plow meets. A. Center of resistance C. Side draft B. Center of gravity D. None of these

A. Center of resistance

Drawbar horsepower is a factor of: A. Force exerted by plow C. Both A and B B. Speed of plow D. None of these

C. Both A and B

The draft of a plow is dependent on the: A. Type of soil C. Plowing depth B. Size of the plow D. All of these

D. All of these

The factors that affect the draft of the plow: A. Soil condition C. Topography B. Hitch to the tractor D. All of these

D. All of these

In the equation C = SWEff/10, W is width of cut expressed in: A. ft C. km B. m D. mile

B. m

In the equation C = SWEff/10, C is capacity expressed in: A. m2/h C. ha/h B. m2/day D. ha/day

C. ha/h

In the equation C = SWEff/10, S is speed of plowing in: A. mps C. fpm B. kph D. mph

B. kph

Machine performance is determined by: A. The rate and quality at which the operations are accomplished B. The speed to accomplished the given operation C. The power needed in accomplishing the given operation D. None of these

A. The rate and quality at which the operations are accomplished

The rate of machine performance is usually expressed in terms of: A. Quantity per unit time C. Speed per unit time B. Quality per unit time D. All of these

A. Quantity per unit time

Actual rate performance of machine on land or crop processed in a given time based upon total field time: A. Theoretical field capacity C. Field efficiency B. Effective field capacity D. All of these

B. Effective field capacity

The actual coverage rate by an implement based on the total field time: A. Theoretical field capacity C. Field efficiency B. Effective field capacity D. All of these

B. Effective field capacity

The rate of performance obtained if a machine performs its function 100 % of the time of a given operating speed using 100 % of its theoretical width: A. Theoretical field capacity C. Field efficiency B. Effective field capacity D. All of these

A. Theoretical field capacity

Draft of disc harrows increases and penetration ______ with speed: A. Remains the same C. Decreases B. Increases D. None of these

C. Decreases

The maximum horizontal projection of a tool in the soil perpendicular to the line of motion. A. Tool width C. Tool operating width B. Tool clearance D. Tool orientation

A. Tool width

Width of cut of the disc plow is influenced by: A. Disc diameter C. Disc angle B. Depth of cut D. All of these

D. All of these

It is a kind of steel used in making disk plow bottom. A. Tool steel C. Molybdenum steel B. Soft-centered steel D. Disc plow

B. Soft-centered steel

A three-bottom disc plow is to be connected to a tractor, what tractor hitch system would you recommend for the plow? A. Drawn bar hitch type C. Direct mounted type B. Semi-mounted type D. None of these

C. Direct mounted type

When a disk plow is set on a vertical position, the plow will: A. Penetrate C. Remain in position B. Will not penetrate D. None of these

A. Penetrate

Which is not included in the markings and labeling of tractors? A. Type and size C. Safety markings B. Parts and components D. Country of manufacture

B. Parts and components

When a disk harrow consists of a front and rear gangs and is centrally positioned with the tractor, it is classified as: A. Single action harrow C. Offset harrow B. Double action harrow D. None of these

B. Double action harrow

Disc harrow consisting of four gangs of discs with two gangs in front and two gangs at the rear is called: A. Single action harrow C. Offset harrow B. Double action harrow D. None of these

B. Double action harrow

When a disk harrow consists of a front gang only and is centrally positioned with the tractor, it is classified as: A. Single action harrow C. Offset harrow B. Double action harrow D. None of these

A. Single action harrow

When a disk harrow consists of a front and/or rear gang and is not centrally positioned with the tractor, it is classified as: A. Single action harrow C. Offset harrow B. Double action harrow D. None of these

C. Offset harrow

A type of disk harrow that is not directly parallel in position with the tractor during operation. A. Single action harrow C. Offset disk harrow B. Double action harrow D. All of these

C. Offset disk harrow

A secondary-tillage implements which stirs the soil using multiple number of disk blade arranged on a gang. A. Spike tooth harrow C. Both A and B B. Disk harrow D. None of these

B. Disk harrow

A tillage implements consisting of two or four gangs of concave disks. A. Disk plow C. Cultivator B. Disk harrow D. None of these

B. Disk harrow

A plow that combines the primary and secondary tillage at the same time. It is used to cut and to pulverize the soil. A. Disk plow C. Chisel plow B. Rotary plow D. All of these

B. Rotary plow

Tillage implements which shatters or loosen the soil without complete burial or mixing of surface materials. A. Chisel plow C. Disk plow B. Lister plow D. None of these

A. Chisel plow

A plow primarily for loosening the soil. A. Chisel plow C. Disk plow B. Lister plow D. All of these

A. Chisel plow

A plow that is used to break up plow sole. A. Chisel plow C. Subsoiler B. Lister plow D. None of these

C. Subsoiler

An implement used for seedbed preparation, weed eradication, or fallow cultivation subsequent to some form of primary tillage, equipped with steel spring shanks. A. Chisel plow C. Spring tooth harrow B. Field cultivator D. All of these

B. Field cultivator

It is a machine which has one or more elements that rotates about a vertical axis and cut grass by impact. A. Rotary mower C. Power scythe B. Grass cutter D. All of these

A. Rotary mower

A gang arrangement on a disk harrow consisting of two gangs of disk placed end to end which throws the soil in opposite direction. A. Double-action C. Offset B. Single-action D. None of these

B. Single-action

A gang arrangement often called as “tandem harrow”. A. Double-action C. Offset B. Single-action D. None of these

A. Double-action

A gang arrangement in which the harrow is not centrally located with respect to the tractor position. A. Double-action C. Offset B. Single-action D. None of these

C. Offset

Factors that influence the depth of penetration of disk harrow. A. Angle disk C. Size of disk B. Angle of hitch D. All of these

D. All of these

The angle between the axis of the set of disks and the line perpendicular to the direction of the implement. A. Disk angle C. Implement angle B. Gang angle D. None of these

B. Gang angle

It is the traverse distance between two adjacent discs. A. Disk distance C. Disk spacing B. Disk clearance D. None of these

C. Disk spacing

Attachment to a tractor rear wheel to increase traction. A. Ballast C. Stirring wheel B. Cagewheel D. None of these

B. Cagewheel

Tractor part that controls the direction of the travel of the machine. A. Rear wheel C. Stirring wheel B. Front wheel D. None of these

C. Stirring wheel

The stirring wheel of the tractor can be found at: A. In front C. At the operator’s seat B. At the rear D. None of these

C. At the operator’s seat

A tractor device which automatically raises or lowers the implement in operation to maintain a given draft. A. Automatic draft control C. 3-point linkage B. Automatic position control D. None of these

A. Automatic draft control

The inherent characteristics of tractors to maintain or to produce increased drawbar pulls even if the speed is reduced. A. Lugging ability C. Coefficient traction B. Mechanical efficiency D. None of these

A. Lugging ability

The lower PTO speed of standard four-wheel tractor is: A. 540 rpm C. 640 rpm B. 450 rpm D. None of these

A. 540 rpm

Standard power-take-off speed of a tractor. A. 100 rpm C. 1200 rpm B. 540 rpm D. None of these

B. 540 rpm

The power take-off rpm of a lawn mower and garden ride-on tractors. A. 1000 rpm C. 2000 rpm B. 540 rpm D. None of these

C. 2000 rpm

Standard number of splines for PTO shaft. A. 6 spline C. 20 spline B. 21 spline D. All of these

D. All of these

Standard shaft diameter of PTO shaft. A. 35 mm C. 50 mm B. 45 mm D. Two of these

D. Two of these 35 mm and 45 mm

The angle the disc of a disc plow makes with the direction of travel to make it cut the proper width and allow it to rotate when moving forward is: A. 15 – 25 degrees C. 55 – 60 degrees B. 42 – 45 degrees D. 30 – 36 degree

B. 42 – 45 degrees

A trailing harrow that is hitched too high to the drawbar will: A. Have too deep penetration C. Have too shallow penetration B. Have right penetration D. None of these

D. None of these

The direction of a crawler-type tractor can be maneuvered by: A. Stopping the engine C. Using the stirring wheel B. Stopping one of its wheels D. None of these

B. Stopping one of its wheels

A crawler-type tractor of the same weight provides ______soil compacting pressure than wheel type tractor: A. Higher C. The same B. Lower D. None of these

B. Lower

A machine that is used with small plow and harrow designed for rice farming operation. A. Puddling-type floating tiller C. Hydro tiller B. Power tiller D. All of these

B. Power tiller

A two-wheeled and hand-operated tractor used primarily as a substitute for draft animals. A. Reaper C. Seeder B. Power tiller D. None of these

B. Power tiller

A hand operated tractor which is suitable for both primary and secondary tillage used when field has been soaked for at least half a day to soften the soil. A. Puddling-type floating tiller C. Hydro tiller B. Power tiller D. All of these

A. Puddling-type floating tiller

If you are an engineer to mechanize lowland rice farm that is usually flooded, what primary tillage implement would you recommend? A. Spiral-type tiller C. Puddling-type tiller B. Disc-type tiller D. None of these

C. Puddling-type tiller

Which of the following primary tillage equipment for small rice farm with higher field capacity? A. Puddling-type tiller C. Spiral plow B. Comb harrow D. Disc plow

A. Puddling-type tiller

It is a wheel less cultivator that is used for domestic gardening. A. Power tiller C. Puddling-type floating tiller B. Motor tiller D. Disc plow

B. Motor tiller

The optimum puddler speed for puddling-type floating tiller is: A. 100-150 rpm C. 300-350 rpm B. 200-250 rpm D. None of these

B. 200-250 rpm

It is a single or pair of wheels with radially mounted tilling blades attached to a common shaft or axle of a puddling-type floating tiller. A. Cage wheel C. Hydro wheel B. Tilling wheel D. None of these

B. Tilling wheel

Common designs of floatation structure for puddling-type floating tiller. A. Elliptical-shaped C. Pontoon type B. Boat type D. All of these

D. All of these

Another term for puddling-type floating tiller. A. Rotary tiller C. Garden tiller B. Float-assist tiller D. None of these

Manufacturer’ specification for float assisted tiller field capacity based on PAE Standard. A.1 to 2.5 kph C. 4.0 to 6.5 kph B. 2.5 to 4.0 kph D. None of these

B. 2.5 to 4.0 kph

A secondary tillage implements consisting of one or two in-line gang rollers used for crushing soil clods and compacting the soil. A. Roller tiller C. Roller harrow B. Packer D. None of these

B. Packer

A primary or secondary tillage implement used for broadcast or for strip tillage and also used as chemical incorporators prior to planting. A. Roller tiller C. Roller harrow B. Packer D. None of these

A. Roller tiller

It is a plow consisting of a strongly constructed frame and a vertical leg drawn to subsoil and the bullet shape attachments creates a tube-like cavity acting as a drainage channel. A. Subsoiler C. Mole plow B. Bullet plow D. All of these

C. Mole plow

Optimum axle speed for puddling-type floating tiller. A. 100 rpm C. 340 rpm B. 250 rpm D. None of these

B. 250 rpm

Floating power tillers are used in: A. 2-wheel tractor for wetland operation C. 4-wheel tractor for wetland operation B. 2-wheel tractor for dryland operation D. 4-wheel tractor for dryland operation

A. 2-wheel tractor for wetland operation

Heavy-duty type power tiller basically consists of _______ axles? A. Single C. Triple B. Double D. None of these

B. Double

A type of implement which is directly attached to the tractor and its power lift is dependent upon the tractor engine for its general operation. A. Semi-integral C. Trailing or pull B. Integral-mounted D. None of these

B. Integral-mounted

. A type of implement which is supported by two or three wheels and is hitched to the drawbar of the tractor where it is being pulled. A. Semi-integral C. Trailing or pull B. Integral-mounted D. None of these

C. Trailing or pull

A type of plow which is equipped with plow bodies which turns the furrow slice to one side only. A. One-way plow C. Reversible plow B. Two-way plow D. None of these

A. One-way plow

A type of plow which has two sets of bodies mounted symmetrically on a share frame which can be rotated over 180 degrees along the longitudinal axis. A. One-way plow C. Reversible plow B. Two-way plow D. None of these

C. Reversible plow

The power required in driving power harrows, rotary tiller, and other related equipment. A. Brake horsepower C. Power takeoff horsepower B. Drawbar horsepower D. All of these

C. Power takeoff horsepower

The power that is required in pulling an implement. A. Brake horsepower C. Power takeoff horsepower B. Drawbar horsepower D. All of these

B. Drawbar horsepower

It is the power developed by the engine of a tractor which is available for pulling, dragging or similar tractive effort. A. Brake horsepower C. Belt horsepower B. Drawbar horsepower D. Indicated horsepower

B. Drawbar horsepower

Variables affecting the drawbar horsepower. A. Implement pulling force and speed C. Implement speed and width B. Implement width and pulling force D. None of these

A. Implement pulling force and speed

The power available at the engine shaft used in driving machinery. A. Brake horsepower C. Power takeoff horsepower B. Drawbar horsepower D. All of these

A. Brake horsepower

The power that is required in driving a pump shaft. A. Brake horsepower C. Power takeoff horsepower B. Drawbar horsepower D. All of these

A. Brake horsepower

Angle in the soil surface plane perpendicular to the direction of travel between the tool axis and the line which is perpendicular to the direction of travel. A. Tilt angle C. Lift angle B. Side angle D. None of these

B. Side angle

The angle, in a vertical plane perpendicular to the direction of travel, between a centralized tool or reference axis and the soil surface. A. Tilt angle C. Lift angle B. Side angle D. None of these

A. Tilt angle

An angle of the disk plows in reference to the vertical plane. A. Tilt angle C. Both A and B B. Disk angle D. None of these

A. Tilt angle

An angle of the plow in reference to the direction of travel of the plow. A. Tilt angle C. Both A and B B. Disk angle D. None of these

B. Disk angle

Angle in vertical plane parallel to the direction of travel between a tool axis and the soil surface. A. Tilt angle C. Lift angle B. Side angle D. None of these

C. Lift angle

By increasing the disk angle, the penetration of a disk plow. A. Will be improved C. Will become poor B. Will be the same D. None of these

A. Will be improved

The disk angle that will give the minimum draft for a disk plow for a given width of cut is: A. 30-35 deg C. 45-50 deg B. 40-45 deg D. None of these

B. 40-45 deg

It is the time used in refueling, lubricating, tightening of chain, etc of the machine. A. Maintenance time C. Repair time B. Machine adjustment time D. All of these

A. Maintenance time

The regular servicing and checking of the machine to keep the machine running efficiently. A. Fabrication C. Warranty B. After-sales service D. Maintenance

D. Maintenance

It is the percentage ratio of the time a machine is effectively operating to the total time the machine is committed to the operation. A. Operating time efficiency C. Effective time efficiency B. Time efficiency D. All of these

B. Time efficiency

It is the ratio of the drawbar power and the wheel axle power. A. Lugging efficiency C. Mechanical efficiency B. Traction efficiency D. None of these

B. Traction efficiency

Which of the following statement is true? A. Field efficiency decreases with the increase in theoretical field capacity B. Field efficiency decreases with the increase in effective field capacity C. Field efficiency does not increase with the increase in theoretical field capacity D. None of these

A. Field efficiency decreases with the increase in theoretical field capacity

Which of the following statement is true? A. Theoretical field capacity is more than effective field capacity B. Effective field capacity is more than theoretical field capacity C. Theoretical field capacity is equal to the effective field capacity D. None of these

A. Theoretical field capacity is more than effective field capacity

It is the radius of the circle within which the implement can make its shortest run in the field. A. Minimum turning distance C. Turning radius B. Radius of run D. None of these

C. Turning radius

It is the travel of the machine across or around a field from a selected starting point adjacent to the first. A. Round C. Operation B. Trip D. None of these

A. Round

One half of the travel from one end of the field to the other. A. Round C. Operation B. Trip D. None of these

B. Trip

It describes the practice of dividing the field into sub-areas and operating on these sub-areas individually. A. Operating in lands C. Field division B. Field operation D. None of these

A. Operating in lands

______ unprocessed area that provides room for making turns. A. Headland C. Turning radius B. Turn strips D. None of these

B. Turn strips

Pattern efficiency of headland pattern in a square field. A. 93.0% C. 84.0% B. 95.7% D. None of these

A. 93.0%

The sum of all resistance acting on the tractor. A. Coefficient traction C. Rolling resistance B. Running resistance D. None of these

B. Running resistance

Running resistance of a tractor includes. A. Air and acceleration resistance C. Slope resistance B. Rolling resistance D. All of these

D. All of these

C. Auxiliary PTO

Type of 2-wheel tractor equipped with a single-bottom moldboard plow and comb-tooth harrow. A. Traction type C. Standard type B. Rotary type D. General-purpose type

A. Traction type

Which among the rice farm operations is the last to be mechanized as experienced by most advanced countries. A. Land preparation operation C. Threshing operation B. Crop establishment operation D. Drying operation

B. Crop establishment operation

Seeding directly into previously undisturbed soil. A. Much tillage C. Minimum tillage B. No-till D. None of these

B. No-till

. The metering device of a seeder basically is used to uniformly feed the seed into the: A. Covering device C. Furrow opener B. Seed tube D. None of these

B. Seed tube

Planters which are designed to plant one or more seeds or plants with row spacing equal to hill spacing: A. Solid planters C. Check row planter B. Precision planter D. Hill drop planter

C. Check row planter

The horizontal seed plate is used for: A. Row-crop drill planter C. Solid drill planter B. Hill-drop planter D. Broadcaster

B. Hill-drop planter

Planter designed to plant seeds in rows and in hills is called: A. Row-crop drill planter C. Solid drill planter B. Hill-drop planter D. Broadcaster

B. Hill-drop planter

Planter designed to place seedlings in rows and in hills is called: A. Row-crop drill planter C. Solid drill planter B. Hill-drop planter D. Transplanter

D. Transplanter

Part of a rice transplanter that places the seedlings into the prepared paddy field. A. Feed tray C. Handle B. Picker D. None of these

B. Picker

The IRRI drum seeder is an example of: A. Row-crop drill planter C. Solid drill planter B. Hill-drop planter D. Broadcaster

C. Solid drill planter

Planters designed to plant seeds continuously in rows with row spacing greater than 36 cm is called: A. Row-crop drill planter C. Solid drill planter B. Hill-drop planter D. Broadcaster

A. Row-crop drill planter

A farm is planed be planted with corn at a spacing of 30 cm x 60 cm. As engineer in-charge of the mechanization program of the farm which of the following equipment would you recommend? A. Row-crop drill planter C. Solid drill planter B. Hill-drop planter D. Broadcaster

A. Row-crop drill planter

Parameter not required in the calibration of a planter is: A. Row spacing C. Forward speed B. Average seed emergence D. Groundwheel diameter

B. Average seed emergence

Component parts of a seeder that is used to calibrate the seed metering device. A. Furrow wheel C. Support wheel B. Ground wheel D. All of these

B. Ground wheel

The groundwheel of a planter is normally related to the operation of the: A. Furrow opener C. Seed tube B. Metering device D. Double-disc closer

B. Metering device

It is a part of seeder that eventually distributes seed in rows. A. Drive wheel C. Seed hopper B. Metering device D. None of these

B. Metering device

Part of a planter that is always present in all planters regardless of type and cropping system: A. Furrow opener C. Seed tube B. Metering device D. Furrow closer

B. Metering device

A device that transfers seed from the seedbox to the coulter tube at a fixed rate. A. Seed feeder C. Seed metering device B. Seed distributor D. All of these

C. Seed metering device

A drum seeder is highly suitable for rice a seed that was: A. Freshly stored before planting C. Milled before planting B. Pre-germinated before planting D. All of these

B. Pre-germinated before planting

Parameter not required in determining the field capacity of a planter: A. Width of planter C. Number of seeds per hill B. Forward speed of planter D. Efficiency of planter

C. Number of seeds per hill

The mechanical function of the planter does not include: A. Sort the seeds C. Deposit the seeds B. Meter the seeds D. Cover the seeds

A. Sort the seeds

Growing of more than one crop on the same land in one year. A. Mixed cropping C. Inter-cropping B. Multiple cropping D. None of these

B. Multiple cropping

Growing of two or more crops simultaneously and intermingled with no row arrangement. A. Mixed cropping C. Inter-cropping B. Multiple cropping D. None of these

A. Mixed cropping

Growing of two or more crops in alternate rows. A. Inter-planting C. Inter-culture B. Inter-cropping D. All of these

B. Inter-cropping

It is a practice of planting short-term annual crop with long-term annual or biennial crops. A. Inter-planting C. Inter-culture B. Inter-cropping D. All of these

A. Inter-planting

It is the cultivation of one crop underneath a perennial crop. A. Inter-planting C. Inter-culture B. Inter-cropping D. All of these

C. Inter-culture

Planting system practiced when there is abundant water and drainage is a problem. A. Double-row bed planting C. Flat planting B. Furrow planting D. Bed planting

D. Bed planting

Seed produced by the Seed Production and Health Division form UP and certified 100% pure by the Seed Quality Control Services of the Bureau of Plant Industry: A. Certified Seeds C. Foundation Seeds B. Registered Seeds D. Breeder Seeds

D. Breeder Seeds

Seed produced from breeder seeds and distributed to all members of the Seed Net and selected seed producers in every province for further multiplication. A. Certified Seeds C. Foundation Seeds B. Registered Seeds D. Breeder Seeds

C. Foundation Seeds

Seed produced from Foundation Seed and being distributed to all accredited seed producers for mass production. A. Certified Seeds C. Foundation Seeds B. Registered Seeds D. Breeder Seeds

B. Registered Seeds

Seed produced from the Registered Seed by accredited seed producers and distributed to farmers for commercial production. A. Certified Seeds C. Foundation Seeds B. Registered Seeds D. Breeder Seeds

B. Registered Seeds

Select a farm operation that can only be done with the use of a machine? A. Plowing C. Threshing B. Harvesting D. Spraying

D. Spraying

Method of pest control not considered engineering control is: A. Chemical control C. Mechanical control B. Biological control D. Both A and B

B. Biological control

This is the application and management of pests by manipulating the environment or implementing preventive practices such as using plants that are resistant to pests, proper timing of planting and crop rotation.: A. Ecological Control C. Cultural Control B. Biological control D. Chemical Control

C. Cultural Control

Operation with the highest manual labor requirement for lowland rice: A. Plowing with carabao C. Weeding with push-type weeder B. Hand transplanting D. Manual harvesting

C. Weeding with push-type weeder

A mechanically-operated machine that removes weeds or grasses from the crops. A. Seeder C. Cultivator B. Weeder D. None of these

B. Weeder

Soil working part utilized by push-type weeders for wetland operation is: A. Blade type C. Rotary type B. Tine type D. All of these

C. Rotary type

Soil working part utilized by push-type weeders for dryland operation is: A. Blade type C. Rotary type B. Tine type D. All of these

D. All of these

. The ratio between the numbers of weeds removed by the weeder to the number of weeds present per unit area. A. Weeding index C. Weeding capacity B. Weeding rate D. None of these

A. Weeding index

Sprayers are used primarily for the application of: A. Herbicides C. Fungicides B. Insecticides D. Pesticides

D. Pesticides

Which of the following is not a spray nozzle pattern? A. Hollow cone nozzle pattern C. Hollow fan nozzle pattern B. Solid cone nozzle pattern D. Fan nozzle pattern

C. Hollow fan nozzle pattern

Which of the following is not measured in calibrating a sprayer? A. Nozzle discharge C. Walking speed B. Effective working width D. Application rate

D. Application rate

Principle used in creating hydraulic energy in a lever-operated knapsack sprayer is: A. Adding air to a container with fixed volume of liquid B. Adding liquid to a container with a fixed volume of air C. Adding liquid to a container with an existing volume of liquid D. Adding air to a container with an existing volume of air

A. Adding air to a container with fixed volume of liquid

A kind of chemical used for spraying which form finely divided solid particles when mixed with water. A. Emulsion C. Solution B. Suspension D. All of these

B. Suspension

The amount of any material applied per unit treated by a sprayer. A. Through put rate C. Application rate B. Application capacity D. All of these

C. Application rate

Which of the following is not a part of a typical lever-operated knapsack sprayer? A. Tank C. Pressure gage B. Pump D. Nozzle

C. Pressure gage

It is a set of sprinkler nozzles. A. Boom C. Sprayer nozzle set B. Sprinkler laterals D. None of these

A. Boom

An insecticide that kills insects when insects suck on plant tissues. A. Contact C. Systemic B. Stomach D. All of these

C. Systemic

. The primary factor that affects the performance of the sprayer. A. Spray-particle size C. Spray materials B. Spraying time D. None of these

A. Spray-particle size

A sprayer designed to charge the spray droplet so that there is a powerful attraction between the plants and the charged droplet. A. Electromagnetic sprayer C. Electrostatic sprayer B. Electrolytic sprayer D. All of these

C. Electrostatic sprayer

Which of the following statements is incorrect: The higher the pressure: A. The larger the droplet size C. The wider the spray angle B. The higher flow rate D. All of these

A. The larger the droplet size

Application of chemical to a small restricted area, usually to control the spread of pest. A. Spot treatment C. Direct application B. Space application D. All of these

A. Spot treatment

Dispersion of liquid or dry particles in air in such a manner that target pest is exposed to chemical. A. Spot treatment C. Direct application B. Space application D. All of these

B. Space application

Application of chemical to the steam, fruit, leaves, needles, or blades of the plant. A. Spot treatment C. Direct application B. Space application D. All of these

C. Direct application

A machine that breaks the liquid droplets of effective size and distributes them uniformly over the surface or space to be protected, and regulates the amount of chemical solution to avoid excessive application that might prove harmful or wasteful. A. Duster C. Both A and B B. Sprayer D. None of these

B. Sprayer

Application of chemical over entire area to be treated. A. Basal application C. Broadcast application B. Band application D. None of these

C. Broadcast application

Application of chemical to the base of a tree around the trunk or by injection into slasher or cuts. A. Basal application C. Broadcast application B. Band application D. None of these

A. Basal application

Application of chemical in parallel strips leaving the area between strips free of chemicals. A. Basal application C. Broadcast application B. Band application D. None of these Answer:

B. Band application

A rotating device located inside the hopper of gravity flow applicator and broadcast spreaders to enhance delivery of granules to the adjustable orifice of the machine. A. Mixer C. Agitator B. Stirrer D. None of these

C. Agitator

During seeding and planting, which of the crop production activities is simultaneously in operation? A. Weeding C. Fertilizing B. Irrigating D. Spraying

C. Fertilizing

Which of the following does not belong to the group of positive displacement pumps? A. Lift pump C. Rotary pump B. Force pump D. Propeller pump

D. Propeller pump

Type of pump of which the discharge and head have inverse relationship. High head will result in low discharge and vice versa. A. Variable displacement pump C. Positive displacement pump B. Double acting pump D. Reciprocating pump

A. Variable displacement pump

Which of the following belong to the group of variable displacement pump? A. Centrifugal pump C. Air lift pump B. Mixed flow pump D. All of these

D. All of these

A type of pump that develops most of the suction and discharge head by propelling or lifting action of the impeller vanes in the water. A. Axial-flow pump C. Mixed-flow pump B. Centrifugal pump D. None of these

A. Axial-flow pump

This pump uses the energy of a downward-flowing stream of water to lift a portion of the water to a higher level. A. Centrifugal pump C. Hydraulic ram B. Waterwheel D. Water turbine

C. Hydraulic ram

In the equation for horsepower, HP = (QxH)/ (3960xEff), H is total head in: A. ft C. ft/min B. m D. m/min

A. ft

In the equation for horsepower, HP = (QxH)/ (3960xEff), Eff is: A. Efficiency of pump C. Efficiency of prime mover B. Efficiency of transmission D. Efficiency of the system

D. Efficiency of the system

In the equation for horsepower, HP = (QxH)/ (3960xEff), Q is pump output in: A. Gallons C. Liters B. gpm D. lps

B. gpm

The required water temperature in testing pump: A. 10º and below C. 40º to 60º B. 10º to 40º D. None of these

B. 10º to 40º

Which of the following is not part of a force pump? A. Inlet valve C. Plunger B. Piston D. Discharge valve

B. Piston

Which of the following is not part of a typical lift pump? A. Inlet valve C. Plunger B. Piston D. Bucket valve

C. Plunger

It is a method of pump drive where the pump is built with a common shaft and bearings for the pump and the driver forming a single compact unit. A. Closed- connected C. Direct-coupled B. Belt-driven D. Sprocket-driven

A. Closed- connected

Instrument for measuring low-pressure head. A. Dial type pressure gauge C. Orifice B. Manometer D. None of these

B. Manometer

The traditional system of harvesting and threshing of rice is: A. Manual harvesting and mechanical threshing C. Manual harvesting and threshing B. Mechanical harvesting and threshing D. Combining

C. Manual harvesting and threshing

The conventional system of harvesting and threshing of rice in the Philippines is: A. Manual harvesting and mechanical threshing C. Manual harvesting and threshing B. Mechanical harvesting and threshing D. Combining

A. Manual harvesting and mechanical threshing

Among the factors affecting the choice of harvesting and threshing system, which one is the major factor: A. Kind of crop C. Topography B. Timeliness of operation D. Farm size

B. Timeliness of operation

Before the adoption of mechanized harvest and postharvest operations for rice, field losses were: A. 5 – 15% C. 10 – 37% B. 10 – 27% D. 20 – 30%

C. 10 – 37%

The most recently developed system of harvesting and threshing of rice is: A. Mechanical harvesting & threshing C. Stripping B. Combining D. All of these

B. Combining

A machine that cuts standing crop, conveys the cut crop to one side, and lays them down in an orderly manner is called: A. Sickle C. Reaper-binder B. Reaper-windrower D. Stripper

B. Reaper-windrower

The Japanese combine is characterized as: A. Low power & hold-on feeding C. High power & hold-on feeding B. Low power & throw-in feeding D. High power & throw-in feeding

A. Low power & hold-on feeding

Which of the following operation is not done by a stripper? A. Cutting of standing crop C. Cleaning of grains B. Stripping D. Conveying of grains to the tank

A. Cutting of standing crop

The cutting mechanism most commonly employed by reapers and combines is: A. Slicing & tearing C. Two-element, scissor-type action B. High velocity, single-element, impact action D. All of these

C. Two-element, scissor-type action

The IRRI axial-flow thresher is characterized as: A. Low power & hold-on feeding C. High power & hold-on feeding B. Low power & throw-in feeding D. High power &throw-in feeding

D. High power &throw-in feeding

The threshing action most commonly employed by a mechanical thresher for rice is: A. Rubbing action C. Stripping action B. Impact action D. All of these

B. Impact action

The threshing action where grains are detached from their panicles when the straw is pulled through a “V” shaped configuration is called: A. Rubbing action C. Stripping action B. Impact action D. All of these

C. Stripping action

A type of mechanical rice thresher that detaches and separates the grains from the panicles by feeding the rice-in-stalks into the machine. A. Axial-flow thresher C. Hold-on thresher B. Throw-in thresher D. None of these

B. Throw-in thresher

Factors affecting the power requirement of a rice thresher. A. Feeding rate C. Length of straw B. Moisture content D. All of these

D. All of these

Threshing efficiency basically is determined from weight of grain obtained at the __ to the grain input fed at the feeding trays. A. Straw outlet C. Blower outlet B. Oscillating screen outlet D. All of these

A. Straw outlet

Grain-straw ratio requirement for testing a rice thresher ranges from: A. 0.35 to 0.50 C. 0.65 to 0.80 B. 0.50 to 0.65 D. All of these

B. 0.50 to 0.65

A device at a header of a combine for severing the plant stalk. A. Cutting mechanism C. Pickup B. Star wheel D. None of these

A. Cutting mechanism

A device for gathering crops on a window of a combine. A. Header C. Pickup B. Star wheel D. None of these

C. Pickup

A harvest residue discharged from cleaning devices of a combine. A. Foreign matters C. Chaffs B. Cut straw D. None of these

C. Chaffs

It is the ratio of the weight of the shelled kernels collected at the main outlet, to the total weight of the kernel input of the sheller, expressed in percent. A. Shelling recovery C. Purity B. Shelling loss D. Shelling efficiency

D. Shelling efficiency

In designing a rice thresher, the most important factors affecting threshing efficiency is: A. RPM of the cylinder C. Diameter of the cylinder B. Peripheral speed of the cylinder D. None of these

B. Peripheral speed of the cylinder

he minimum number of trials required in testing heated-air mechanical grain dryer: A. One C. Three B. Two D. Four

C. Three

A transport machine used in agriculture suitably designed for coupling to an agricultural tractor or self propelled combine. A. Agricultural wagon C. Agricultural trailer B. Agricultural loader D. None of these

C. Agricultural trailer