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HIGH PRIO PART 1 (A TO J) > H > Flashcards

H Flashcards

1
Q

Minimum soil manipulation necessary for crop production or for meeting
tillage requirements under existing soil condition.
a. No-tillage planting
b. Much tillage
c. Minimum tillage
d. None of the above

A

c. Minimum tillage

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2
Q

A tool which cuts plants materials and soil ahead of another tool.
a. Coulter
b. Jointer
c. Injector
d. Two of the above

A

d. Two of the above (Coulter & Jointer)

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3
Q

The force to propel an implement in the direction of travel.
a. Draft
b. Drawbar horsepower
c. Side draft
d. None of the above

A

a. draft

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4
Q

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
b. Lift angle
c. Side angle
d. None of the above

A

a. Tilt angle

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5
Q

It is deep chiselling below 16 in. For the purpose of loosening soil for
root growth and/or water movement.
a. Ridging
b. Chiselling
c. Subsoiling
d. None of the above

A

c. Subsoiling

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6
Q

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

a. Compression ratio

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7
Q

Conversion of solid into combustible carbon monoxide through thermo
chemical reaction.
a. Digestion
b. Carbonization
c. Gasification
d. Pyrolysis

A

c. Gasification

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8
Q

Power transmitted to the pistons by the gas in the cylinder
a. Brake horsepower
b. Indicated horsepower
c. Drawbar horsepower
d. Flywheel horsepower

A

b. Indicated horsepower

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9
Q

. A device that connects and disconnects power input to the power output.
a. Clutch
b. Gear
c. Pulley
d. None of the above

A

a. Clutch

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10
Q

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

A

b. Clearance volume

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11
Q

How many piston strokes are there in one revolution of a crankshaft.
a. One
b. Two
c. Four
d. None of the above

A

b. Two

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12
Q

How many times the intake valve opens in 4 stroke-cycle engine running at
2000 rpm.
a. 1000
b. 2000
c. 500
d. None of the above

A

a. 1000

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13
Q

A device which connects or disconnects engine crankshaft to the
transmission box or driven machine.
a. Differential gear
b. Clutch
c. Actuator
d. None of the above

A

b. Clutch

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14
Q

Firing order for 8-cylinder V piston
a. 1-6-8-4-3-2-7-5
b. 1-8-7-3-6-5-4-2
c. All of the above
d. None of the above

A

c. All of the above

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15
Q

Number of times the intake valve opens in a single-cylinder four-stroke
cycle after completing 200 revolutions.
a. 200
b. 100
c. 50
d. None of the above

A

b. 100

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16
Q

Which of the following operation is not done by a stripper?
a. cutting of standing crop
b. stripping
c. cleaning of grains
d. conveying of grains to the tank

A

a. cutting of standing crop

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17
Q

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

A

c. two-element, scissor-type action

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18
Q

The IRRI axial-flow thresher is characterized as:
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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19
Q

The greatest heat loss for a 4-stroke cycle, spark ignition engine with a
thermal efficiency of 23% is attributed to:
a. cooling system
b. friction
c. exhaust gases
d. radiation

A

c. exhaust gases

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20
Q

This gas is a mixture of butane and propane and may be used to a
considerable extent as engine fuel.
a. biogas
b. LPG
c. producer gas
d. natural gas

A

b. LPG

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21
Q

This refers to the quantity of heat required to raise the temperature 1
lb of water 1ºF.
a. specific heat
b. thermal conductivity
c. heating value
d. Btu

A

d. Btu

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22
Q

It is the partial or complete interruption of the fuel flow in the fuel
system as a result of vaporization of the fuel and the formation of gas
bubbles at some point.
a. stalling
b. vapor lock
c. detonation
d. explosion

A

b. vapor lock

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23
Q

A soil mass cut, lifted, pulverized, inverted, and thrown to one side of
the plow bottom.
a. Furrow crown
b. Furrow slice
c. Furrow wall
d. None of the above

A

b. Furrow slice

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24
Q

. It is a vertical axis windmill with a very low tip-speed ratio.
a. Cretan
b. Savonius
c. Darrieus
d. 2-bladed airfoil type

A

b. Savonius

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25
Q

This fuel is obtained from the fermentation of wet wastes such as animal
dung in the absence of oxygen. This gaseous fuel contains up to 60
percent methane.
a. producer gas
b. carbon monoxide
c. liquefied petroleum gas
d. biogas

A

d. biogas

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26
Q

In the operation of this ideal engine, the combustion of fuel occurs
instantaneously such that the pressure rises at constant volume.
a. Diesel cycle engine
b. Otto cycle engine
c. compression ignition engine
d. Carnot cycle engine

A

b. Otto cycle engine

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27
Q

An engine with a clearance volume of 120 cm3 and whose bore and stroke are
10 cm and 10 cm, respectively, is most possibly:
a. a gasoline engine
b. a diesel engine
c. a compression ignition engine
d. a jet engine

A

a. a gasoline engine

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28
Q

The ideal air-fuel ratio in terms of weight for methane (CH4) is:
a. 14.5:1
b. 16.7:1
c. 15.2:1
d. 17.3:1

A

d. 17.3:1

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29
Q

The ideal air-fuel ratio in terms of weight for cetane (C16H34) is:
a. 15:1
b. 16:1
c. 14:1
d. 17:1

A

a. 15:1

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30
Q

The octane rating of a mixture of 3 liters of normal heptane and 27
liters of isooctane is:
a. 50
b. 100
c. 20
d. 90

A

d. 90

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31
Q

The compression ratio of engines is directly related to its thermal
efficiency. Theoretically:
a. Otto-cycle engines have higher thermal efficiency than Diesel cycle
engines.
b. Diesel-cycle engines have higher thermal efficiency than Otto-cycle
engines.
c. Otto-cycle and Diesel-cycle engines have approximately equal thermal
efficiency.
d. None of the above.

A

a. Otto-cycle engines have higher thermal efficiency than Diesel cycle
engines.

32
Q

This kind of gasoline can be obtained by breaking up heavy molecules of
oil into lighter ones:
a. natural gasoline
b. cracked gasoline
c. straight-run gasoline
d. blended gasoline

A

b. cracked gasoline

33
Q

Considering that there are 3M farms, 12M ha of agricultural lands and
assuming five farmers per farm, the human power contribution in the farm
is about:
a. 0.1 hp
b. 0.125 hp
c. 1.0 hp
d. 1.25 hp

A

b. 0.125 hp

34
Q

Natural gas consists large of:
a. butane
b. pentane
c. propane
d. none of the above

A

d. none of the above

35
Q

This fuel is obtained by partial combustion of carbonaceous substances,
like coal, wood, charcoal, sawdust, or similar materials, in an
atmosphere of air and steam. It is a mixture of carbon monoxide,
hydrogen, methane, nitrogen and carbon dioxide.
a. LPG
b. natural gas
c. producer gas
d. biogas

A

c. producer gas

36
Q

. The sequence by which the cylinder delivers the power stroke.
a. Ignition
b. Firing order
c. Flash point
d. None of the above

A

b. Firing order

37
Q

. Engine that burns fuel outside the cylinder.
a. Spark ignition engine
b. External combustion engine
c. Compression ignition engine
d. None of the above

A

b. External combustion engine

38
Q

At the intake stroke of a diesel engine, what come in?

a. Fuel and air
b. Fuel
c. Air
d. None of the above

A

c. Air

39
Q

A device that creates ignition of fuel in a diesel engine.
a. Spark plug
b. Piston
c. Carburetor
d. None of the above

A

b. Piston

40
Q

What are the potential benefits from mechanization?
a. Increased cropping intensity and production
b. increased productivity of labor
c. reduction of losses
d. aota

A

d. aota

41
Q

. The lever-operated manual knapsack sprayer method of test is found in:
a. PAES 113:2000
b. PAES 112:2000
c. PAES 113:2001
d. PAES 115:2000

A

a. PAES 113:2000

42
Q

. Which is not a characteristic of a manager?
a. Politician
b. must balance competing goals
c. mediator
d. makes decisions difficult

A

d. makes decisions difficult

43
Q

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
b. shelling loss
c. purity
d. shelling efficiency

A

a. shelling recovery

44
Q

Which of the following statement about a product is not true?
a. Ideas and services are examples of products
b. There are five levels of a product namely: core, generic, expected,
augmented and potential product
c. A product is anything offered to a market for attention, acquisition
and consumption.
d. A good product is enough to warrant high sales in the market.

A

d. A good product is enough to warrant high sales in the market

45
Q

What three most important factors input into the determination of prices?
a. Cost, demand, competition
b. Target market, promotional expenses, distribution channels
c. Market share, competitive moves, substitutes
d. Demographics, purchasing habits, shelf position

A

a. Cost, demand, competition

46
Q

The first step in pricing is:
a. determining the prices of competitors
b. setting pricing objectives
c. determining market’s sensitivity
d. evaluating different pricing methods

A

b. setting pricing objectives

47
Q

What factors would lead a marketer to adopt a going-rate pricing strategy?
a. There are no product differentiation and competitor moves are
uncertain.
b. The pricing policy is 20% recovery on production cost.
c. There is an unusually high demand for the product.
d. There are few substitutes for the product.

A

a. There are no product differentiation and competitor moves are
uncertain

48
Q

It is the time used in refueling, lubricating, tightening of chain, etc
of the machine.
a. Maintenance time
b. Machine adjustment time
c. Repair time
d. All of the above

A

a. Maintenance time

49
Q

Which of the following statement is true?
a. Theoretical field capacity is less than effective field capacity.
b. Effective field capacity is more than effective field capacity.
c. Theoretical field capacity is equal to the effective field capacity.
d. None of the above

A

d. None of the above

50
Q

. It is a complete list of all physical assets at a specific point in time.
This list indicates the value of each item of property and the amount of
farm liabilities.
a. market list
b. farm capital
c. farm potential
d. farm inventory

A

d. farm inventory

51
Q

For occupational settings, _____________ is (more specifically) a measure
of the acceptability of risk.
a. potential
b. freedom
c. clarity
d. safety

A

d. safety

52
Q

. Tools that are used to make holes or change the shape or size of holes
are called
a. layout tools
b. boring tools
c. cutting tools
d. driving tools

A

b. boring tools

53
Q

. Obtained from OXOGENS, it is the most common shop material.
a. Silicon
b. steel
c. galvanized iron
d. wood

A

d. wood

54
Q

. Select a farm operation that can only be done with the use of a machine:
a. plowing
b. spraying
c. harvesting
d. threshing

A

b. spraying

55
Q

The use of machinery does not only imply ownership, the following are also
considered viable options:
a. renting
b. custom hire service
c. joint ownership
d. borrowing

A

c. joint ownership

56
Q

Secondary tillage involves pulverizing the soil to a depth of:
a. up to 3 inches
b. 3 to 6 inches
c. 6 to 18 inches
d. 6 to 36 inches

A

b. 3 to 6 inches

57
Q

Part of the moldboard plow bottom that receives the furrowslice, lifts,
inverts and throws it to one side is called:
a. share
b. moldboard
c. landside
d. frog

A

b. moldboard

58
Q

Gear oil is used for
a. Engine
b. Transmission box
c. Hydraulic system
d. All of the above

A

b. Transmission box

59
Q

Mean effective pressure for turbo-charge engine.
a. 300 psi
b. 200 psi
c. 400 psi
d. None of the above

A

a. 300 psi

60
Q

. Engine valve that allows the entrance of fuel.
a. Exhaust valve
b. Intake valve
c. Check valve
d. None of the above

A

b. Intake valve

61
Q

Standard throttling adjustment of an engine.
a. 1/3
b. ½
c. ¾
d. None of the above

A

c. ¾

62
Q

Mean effective pressure of an engine.
a. 120 psi
b. 200 psi
c. 50 psi
d. None of the above

A

a. 120 psi

63
Q

Fuel for compression ignition engine.
a. Gasoline
b. Kerosene
c. LPG
d. None of the above

A

d. None of the above

64
Q

. A term used to describe the resistance of oil to flow.
a. Viscosity
b. Cetane Number
c. Volume weight
d. None of the above

A

a. Viscosity

65
Q

Ignition timing for gasoline engine.
a. 1-5 deg
b. 5-10 deg
c. 10-15 deg
d. None of the above

A

b. 5-10 deg

66
Q

Ignition timing for diesel engine.
a. 5-12 deg
b. 17-19 deg
c. 20-26 deg
d. None of the above

A

b. 17-19 deg

67
Q

A type of engine that completes power stroke in two revolution of the
crankshaft.
a. Four-stroke cycle engine
b. Two-stroke cycle engine
c. All of the above
d. None of the above

A

a. Four-stroke cycle engine

68
Q

An engine that produce more power per unit weight.
a. Four-stroke cycle
b. Two-stroke cycle
c. All of the above
d. None of the above

A

b. Two-stroke cycle

69
Q

An engine which uses oil entirely as lubricant.
a. Four-stroke cycle
b. Two-stroke cycle
c. All of the above
d. None of the above

A

a. Four-stroke cycle

70
Q

An engine basically has
a. Larger cylinder diameter than piston diameter
b. Equal piston diameter than cylinder diameter
c. Larger piston diameter than cylinder diameter
d. None of the above

A

a. Larger cylinder diameter than piston diameter

71
Q

A part of an engine which reduces vibration and stores energy.
a. Spark plug
b. Flywheel
c. Piston
d. None of the above

A

b. Flywheel

72
Q

If a 4-cylinder, 2-stroke-cycle internal-combustion engine has 600
explosions per minute, what is the engine rpm.
a. 125 rpm
b. 150 rpm
c. 200 rpm
d. None of the above

A

b. 150 rpm

73
Q

The brake constant is
a. 2 π R/c
b. 2 π RN
c. 2 π RFn/c
d. None of the above

A

a. 2 π R/c

74
Q

What is the brake constant value of dynamometer whose length of arm is
equal to 1m?
a. 0.082 sec/kg
b. 0.82 sec/kg
c. 2.8 sec/kg
d. None of the above

A

a. 0.082 sec/kg

75
Q

The factors that affect the draft of the plow:
a. Soil condition
b. Hitch to the tractor
c. Topography
d. All of the above

A

d. All of the above

75
Q

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

a. Running mate

76
Q

The greatest heat loss for a 4-stroke cycle, spark ignition engine with
a thermal efficiency of 23% is attributed to:

a. cooling system
b. exhaust gases
c. friction
d. internal convection

A

b. exhaust gases

HIGH PRIO PART 1 (A TO J) (10 decks)

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