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PART 1 (K, L, M) > SET M > Flashcards

SET M Flashcards

1
Q

Planter designed to plant seeds in rows and in hills is called:
a. row-crop drill planter
b. hill-drop planter
c. solid drill planter
d. broadcaster

A

b. hill-drop planter

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2
Q

It indicates the ratio of the amount of heat given off by the furnace to
the system and the heat used from the fuel.
a. Burning efficiency
b. Thermal efficiency
c. Heat utilization energy
d. None of the above

A

b. Thermal efficiency

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2
Q

Which of the following is true in operating gasifier for internal
combustion engine?
a. Only 50 to 70 % of the diesel oil can be replaced by gas producer.
b. Gasoline and diesel can be fueled with gas producer.
c. The power output of gasoline engine at arbitrary rpm will decrease
by 30 to 50 % when fueled with producer gas.
d. All of the above

A

d. All of the above

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2
Q

A rice hull gasifier reactor that produces less tar during operation.
a. Updraft
b. Cross draft
c. Down draft
d. All of the above

A

c. Down draft

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2
Q

Power generated from moving air
a. Wind power
b. Hydropower
c. Photovoltaic cell
d. None of the above

A

a. Wind power

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2
Q

A gas produces putrefactive bacteria that breaks down organic material
under airless condition consisting mainly of methane and carbon dioxide.
a. Biofuel
b. Biogas
c. Gasifier
d. LPG

A

b. Biogas

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2
Q

A device that converts kinetic energy of the wind to mechanical power.
a. Rotor
b. Generator
c. Motor
d. None of the above

A

a. Rotor

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3
Q

What section is not yet included in the PAES?
a. Production/postharvest machinery
b. Irrigation and drainage
c. agricultural structures
d. engineering materials

A

b. Irrigation and drainage

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3
Q

The IRRI axial-flow thresher is characterized as: (code 67)
a. low power & hold-on feeding
b. low power & throw-in feeding
c. high power & hold-on feeding
d. high power &throw-in feeding

A

d. high power &throw-in feeding

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3
Q

Basic hand tools for engine maintenance:
a. Open wrench
b. Adjustable wrench
c. Screw driver (Philip and Flat)
d. All of the above

A

d. All of the above

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4
Q

Percentage engine output to be attained when testing based on the maximum
rated power output
a. 60%
b. 80%
c. 100%
d. All of the above

A

b. 80%

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5
Q

It is an articulated connection between a link and the implement.
a. Hitch point
b. Link point
c. Implement point
d. All of the above

A

a. Hitch point

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6
Q

It is an articulated connection between a link and the tractor.
a. Hitch point
b. Link point
c. Implement point
d. All of the above

A

b. Link point

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7
Q

It is the center to center distance between two front or rear wheels.
a. Wheel clearance
b. Wheel tread
c. Wheel distance
d. None of the above

A

b. Wheel tread

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8
Q

A type of four-wheel tractor where power is transmitted to all wheels of
the tractor.
a. Two-wheel drive tractor
b. Four-wheel drive tractor
c. Hydraulic drive tractor
d. None of the above

A

b. Four-wheel drive tractor

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9
Q

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
b. Four-wheel drive tractor
c. Hydraulic drive tractor
d. None of the above

A

a. Two-wheel drive tractor

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10
Q

Auxiliary gear shift lever of a tractor is usually located at the
____________.
a. right side of the operator seat
b. left side of the operator seat
c. front of the operator seat
d. None of the above

A

a. right side of the operator seat

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11
Q

The IRRI drum seeder is an example of:
a. row-crop drill planter
b. hill-drop planter
c. solid drill planter
d. broadcaster

A

c. solid drill planter

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11
Q

PAES recommended thickness of drawbar for four-wheel agricultural
tractor.
a. Not more than 32 mm
b. 32 mm
c. More than 32 mm
d. None of the abov

A

a. Not more than 32 mm

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12
Q

Parameter not required in determining the field capacity of a planter:
a. width of planter
b. forward speed of planter
c. No. of seeds per hill
d. efficiency of planter

A

b. forward speed of planter

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13
Q

Average power density of solar heat striking the earth surface.
a. 1 kw/m2
b. 0.89 kw/m2
c. 0.58 kw/m2
d. None of the above

A

b. 0.89 kw/m2

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14
Q

The gearbox placed on first gear will develop…
a. high torque - high speed
b. low torque – low speed
c. high torque – low speed
d. low torque – high speed

A

c. high torque – low speed

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15
Q

This vertical axis windmill has a very low tip speed ratio and power
coefficient of less than 0.2. The rotor is usually constructed using a
cylindrical tank cut axially into two and installed vertically face to
face at an offset position.
a. Savonious
b. Cretan
c. Darrieus
d. Multibladed

A

a. Savonious

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16
Q

A more meaningful classification for tools would be based on ________.
a. material that they work on
b. use or function
c. user
d. cost

A

b. use or function

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17
Wrought iron, steel, cast iron, pig iron are all _________. a. Alloys b. a and b c. ferrous metals d. non-ferrous metals
b. a and b
18
Which fastener has a cross mark slot on its head? a. flat head b. Phillips head c. square head d. all of the above
b. Phillips head
19
What year was the metric system first used in the Philippines? a. 1980 b. 1983 c. 1981 d. 1982
b. 1983
20
The thickness of a metal sheet is designed by a series of numbers called __________. a. Schedule b. gauge number c. SAE number d. ply rating
b. gauge number
21
A mechanical breaking up of fuel into spray droplets by high velocity of air passing through a jet. a. Atomization b. Carburetion c. Turbo charging d. None of the above
a. Atomization
21
A device that is used to actuate the throttle of an engine to increase its speed. a. Governor b. Accelerator c. Actuator d. None of the above
b. Accelerator
22
Usable power delivered by the engine a. Indicated horsepower b. Brake horsepower c. Rated horsepower d. None of the above
b. Brake horsepower
23
A device that meters the fuel air and mixes them into harmonious mixture before the mixture enters the combustion chamber of an engine. a. Governor b. Air injector c. Carburetor d. All of the above
c. Carburetor
24
A device that permits the flow of fuel and of burned gases in one direction only. a. Check valve b. Relief valve c. Spark plug d. None of the above
a. Check valve
25
An internal combustion engine that produces power in one revolution of the crankshaft. a. Four stroke cycle engine b. Two stroke cycle engine c. Rotary engine d. None of the above
b. Two stroke cycle engine
26
During the power stroke, which of the following valve is open? a. Intake b. Exhaust c. Intake and exhaust d. None of the above
d. None of the above
27
Number of spark plugs for 6 cylinder diesel engine a. 6 b. 12 c. 4 d. None of the above
d. None of the above
28
The volume displaced by a piston in making upward and downward stroke. a. Piston displacement volume b. Clearance volume c. Total volume d. None of the above
a. Piston displacement volume
29
At the downward stroke of two-stroke cycle, which of the events are taking place. a. Power & intake b. Compression & exhaust c. Power and exhaust d. None of the above
d. None of the above
30
The ratio of the clearance volume from the total volume. a. Compression ratio b. Air fuel ratio c. Bore stroke ratio d. None of the above
a. Compression ratio
31
Power transmitted to the pistons by the gas in the cylinder a. Brake horsepower b. Indicated horsepower c. Drawbar horsepower d. Flywheel horsepower
b. Indicated horsepower
32
Number of explosion of piston on a single cylinder, four stroke cycle engine in 100 revolution of the crankshaft. a. 100 b. 50 c. 25 d. None of the above
b. 50
33
The space when the piston is at the top dead center a. Piston displacement volume b. Clearance volume c. Total volume d. None of the above
b. Clearance volume
34
How many piston strokes are there in one revolution of a crankshaft. a. One b. Two c. Four d. None of the above
b. Two
35
Engine having fuel injected into the combustion chamber near the end of the combustion stroke and is ignited by heat of compression only. a. Gasoline engine b. Diesel engine c. Steam engine d. None of the above
b. Diesel engine
36
The sequence by which the cylinder delivers the power stroke. a. Ignition b. Firing order c. Flash point d. None of the above
b. Firing order
37
Engine that burns fuel outside the cylinder. a. Spark ignition engine b. External combustion engine c. Compression ignition engine d. None of the above
b. External combustion engine
38
At the intake stroke of a diesel engine, what come in? a. Fuel and air b. Fuel c. Air d. None of the above
c. Air
38
A device that creates ignition of fuel in a diesel engine. a. Spark plug b. Piston c. Carburetor d. None of the above
b. Piston
38
Two pistons running at the same time in the same direction but performing different strokes. a. Running mate b. Firing order c. Valve timing d. None of the above
a. Running mate
39
Distance of movement piston from the top dead to the bottom dead center. a. Stroke b. Bore c. Valve clearance d. None of the Above
a. Stroke
40
Firing order of 4-cylinder engine. a. 1-2-3-4 b. 1-3-4-2 c. 1-2-4-3 d. None of the above
b. 1-3-4-2
41
The cetane rating of alpha-methylnaphthalene is: a. 50 b. 20 c. 80 d. none of the above
d. none of the above
42
This rating is given to diesel fuels for their ability to burn without detonating as compared with the performance of reference fuels. a. octane rating b. cetane rating c. heptane rating d. alcohol rating
b. cetane rating
43
The cutting mechanism most commonly employed by reapers and combines is: a. slicing & tearing b. high velocity, single-element, impact action c. two-element, scissor-type action d. all of the above
c. two-element, scissor-type action
43
The advantages of seasoning lumber is/are: a. reduce its weight b. decrease shrinkage c. increase its strength and resistance to decay d. all of the above
d. all of the above
44
Manufacturer’ specification for float assisted tiller field capacity based on PAE Standard. a. to 2.5 kph b. 2.5 to 4.0 kph c. 4.0 to 6.5 kph d. None of the above
b. 2.5 to 4.0 kph
44
It is a set of sprinkler nozzles. a. Boom b. Sprinkler laterals c. Sprayer nozzle set d. None of the above
a. Boom
44
What property of metal refers to its ability to resist penetration? a. Hardness b. Toughness c. Strength d. All of the above
a. Hardness
45
The differential of a tractor is required when making a: a. right turn b. left turn c. going straight d. a and b
d. a and b
46
Fuel used by compression ignition engine is: a. kerosene b. methane c. diesel d. gasoline
c. diesel
47
Before the adoption of mechanized harvest and postharvest operations for rice, field losses were: a. 5 – 15% b. 10 – 27% c. 10 – 37% d. 20 – 30%
c. 10 – 37%
48
Which of the following statements is incorrect: The higher the pressure,: a. the larger the droplet size b. the higher flow rate c. the wider the spray angle d. all of the above
a. the larger the droplet size
49
A process of providing the engine with additional amount of air and fuel using a small turbine propelled by engine exhaust gas to increase power by about 30%. a. Turbocharging b. Supercharging c. Air and fuel injecting d. None of the above
a. Turbocharging
50
The pivotal point of connection of hitch to the tractor or a center of the articulated connection between link and the implement a. Link point b. Hitch pin c. Hitch point d. All of the above
c. Hitch point
51
Which of the following is not a source of energy for farming? a. Solar energy b. Wind energy c. Biomass energy d. None of the above
d. None of the above
52
A conventional source of energy. a. Human power b. Draft Animal c. Fossil fuel d. All of the above
d. All of the above
53
A non-conventional sources of energy a. Biomass b. Solar c. Wind d. All of the above
d. All of the above
54
A steam engine is an example of ______________. a. an internal combustion engine b. an external combustion engine c. a dual combustion engine d. None of the above
b. an external combustion engine
55
A constant volume cycle engine. a. Gasoline engine b. Diesel engine c. Steam engine d. None of the above
a. Gasoline engine
56
A constant pressure cycle a. Gasoline engine b. Diesel engine c. Steam engine d. None of the above
b. Diesel engine
56
Power implements are usually connected to the ________ of the tractor. a. wheel axle drive b. power take-off drive c. front wheel drive d. None of the above
b. power take-off drive
57
Turbo charging tractor engine will increase the power output approximately by _____. a. 10 – 20 % b. 20 - 30 % c. 30 – 40 % d. None of the above
b. 20 - 30 %
57
Integral mounted implement are usually attached to the tractor through a ______. a. single point hitch system of the tractor b. double-hitch system of the tractor c. three-point hitch system of the tractor d. None of the above
c. three-point hitch system of the tractor
58
A semi-integral mounted type implements are usually attached to the tractor through a _________. a. single point hitch system of the tractor b. double-hitch system of the tractor c. three-point hitch system of the tractor d. None of the above
c. three-point hitch system of the tractor
58
Trailing-type implements are usually attached to the tractor through a _________. a.single point hitch system of the tractor b.double-hitch system of the tractor c.three-point hitch system of the tractor d.None of the above
a.single point hitch system of the tractor
59
A part of mechanism that they may be added to a functional power unit, not utilizing its mechanical power for the purpose of enhancing the performance of that unit. a. Auxiliary unit b. Spare parts c. Accessory d. None of the above
c. Accessory
60
Power take-off of lawn mower and garden ride-on tractors. a. 1000 rpm b. 540 rpm c. 2000 rpm d. None of the above
c. 2000 rpm

PART 1 (K, L, M) (3 decks)

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