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Worksheets

Farm Power - Terms Only

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

A device that connects and disconnects power input to the power output.

a)

Clutch

b)

Gear

c)

Pulley

d)

NOTA

2.

The part of engine that which slides up and down the cylinder and transmits power to the crankshaft.

a)

Connecting rod

b)

Cylinder block

c)

Piston

d)

Spark plug

3.

The amount of power that the manufacturer specified for an engine.

a)

Indicated horsepower

b)

Brake horsepower

c)

Rated horsepower

d)

Belt horsepower

4.

The distance of movement of the piston from top dead to bottom dead center.

a)

Stroke

b)

Bore

c)

Valve clearance

d)

NOTA

5.

The reduction of engine speed or flow of fuel.

a)

Throttling

b)

Clutching

c)

Atomization

d)

NOTA

6.

The usable power delivered by the engine.

a)

Indicated HP

b)

Brake HP

c)

Rated HP

d)

NOTA

7.

A device that meter 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)

NOTA

8.

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)

NOTA

9.

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)

NOTA

10.

During the power stroke, which of the following valve is open?

a)

Intake

b)

Exhaust

c)

Both intake and exhaust

d)

NOTA

11.

Number of spark plugs for 6 cylinder diesel engine

a)

6

b)

12

c)

3

d)

NOTA

12.

The ratio of the clearance volume from the total volume.

a)

Compression ratio

b)

Air-fuel ratio

c)

Bore-stroke ratio

d)

NOTA

13.

Number of explosions in the piston on a single cylinder, four stroke cycle engine in 100 revolution of the crankshaft.

a)

100

b)

50

c)

25

d)

NOTA

14.

The space when the piston is at the top dead center

a)

Piston displacement

b)

Clearance volume

c)

Total volume

d)

NOTA

15.

How many piston strokes are there in one revolution of a crankshaft?

a)

1

b)

2

c)

4

d)

NOTA

16.

The device that creates ignition of fuel in a diesel engine.

a)

Spark plug

b)

Piston

c)

Carburetor

d)

NOTA

17.

How many times the intake valve open in a 4 stroke-cycle engine running at 2000 rpm.

a)

500

b)

1000

c)

2000

d)

4000

18.

Firing order of a 6 cylinder engine.

a)

1-2-3-4-5-6

b)

1-3-5-4-2-6

c)

1-5-3-6-2-4

d)

NOTA

19.

What is the mechanical efficiency of an engine having a brake horsepower of 8 hp and an indicated horsepower of 10 hp?

a)

20%

b)

40%

c)

60%

d)

80%

20.

Part of an engine that converts reciprocating motion into rotary motion.

a)

Crankshaft

b)

Piston

c)

Camshaft

d)

NOTA

21.

10 hp engine is equivalent to:

a)

7.46 kW

b)

76.4 W

c)

0.746 kW

d)

NOTA

22.

Standard throttling adjustment of an engine.

a)

1/3

b)

1/2

c)

3/4

d)

NOTA

23.

Number of pistons for 6 cylinder four stroke gasoline engine running at 2200 rpm:

a)

24

b)

6

c)

91.67

d)

NOTA

24.

A term used to describe the resistance of oil to flow.

a)

Viscosity

b)

Cetane number

c)

Volume weight

d)

NOTA

25.

The speed of the engine is automatically regulated by.

a)

Hand lever

b)

Governor

c)

Flywheel

d)

NOTA

26.

Ignition timing for diesel engine.

a)

5-12 deg

b)

17-19 deg

c)

20-26 deg

d)

NOTA

27.

One horsepower can generate heat energy equal to:

a)

2455 BTU/hr

b)

2545 BTU/hr

c)

2445 BTU/hr

d)

NOTA

28.

A part of an engine which reduces vibration and stores energy.

a)

Flywheel

b)

Crankshaft

c)

Camshaft

d)

Piston

29.

Power available on human for useful work.

a)

0.01 hp

b)

0.1 hp

c)

0.3 hp

d)

NOTA

30.

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)

Producer gas

d)

LPG

31.

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)

NOTA

32.

A device that converts kinetic energy of the wind to mechanical power.

a)

Rotor

b)

Motor

c)

Blades

d)

NOTA

33.

A device that converts electricity to mechanical power.

a)

Rotor

b)

Motor

c)

Generator

d)

NOTA

34.

Power drive that can be found at the rear of the tractor to propel power implements and stationary machines.

a)

Power take off

b)

Hydraulic system

c)

Differential gear

d)

NOTA

35.

Standard rpm of a tractor PTO drive.

a)

360 rpm

b)

280 rpm

c)

540 rpm

d)

NOTA

36.

The burning efficiency of rice hull furnaces is between

a)

70-80%

b)

80-90%

c)

90-99%

d)

NOTA

37.

The thermal efficiency of rice hull furnaces is between:

a)

40-70%

b)

70-90%

c)

10-40%

d)

NOTA

38.

It is an indicator of the amount of fuel in a furnace that is converted into ash.

a)

Burning efficiency

b)

Thermal efficiency

c)

Heat utilization efficiency

d)

NOTA

39.

The primary gas produced during gasification.

a)

Methane

b)

Carbon dioxide

c)

Carbon monoxide

d)

NOTA

40.

A biogas is generated inside the

a)

Gas holder

b)

Mixing tank

c)

Digester

d)

NOTA

41.

Air required for complete combustion of combustible gasses.

a)

Stoichiometric air

b)

Primary air

c)

Secondary air

d)

NOTA

42.

The amount of heat required to raise the temperature of one pound water by one degree Fahrenheit.

a)

kCal

b)

BTU

c)

joule

d)

NOTA

43.

Engine oil having high flash and fire point indicates ___.

a)

high boiling point

b)

high evaporation rate

c)

high heating value

d)

NOTA

44.

An engine running at a speed of 2000 rpm is classified as:

a)

low speed

b)

medium speed

c)

high speed

d)

super speed

45.

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 development

b)

agricultural mechanization

c)

agricultural machinery and equipment

d)

AOTA

46.

One pferde starke (ps) is equal to

a)

0.986 hp

b)

0.735 kW

c)

75 kgf-m/sec

d)

AOTA

47.

Belt size designation for agricultural V-belt is:

a)

A,B,C,D,E

b)

HA,HB,HC,HD,HE

c)

AA,BB,CC,DD,EE

d)

NOTA

48.

Machine element that transmit torque and power.

a)

Pulley

b)

Bearing

c)

Shaft

d)

NOTA

49.

The power required in pulling an implement.

a)

Wheel power

b)

Brake power

c)

Drawbar power

d)

NOTA

50.

Two engines are rated 1 hp and the other is 1 ps. Which of the following statements is true:

a)

1 hp engine is stronger than 1 ps engine

b)

1 ps engine is stronger than 1 hp engine

c)

both are the same strength

d)

none are true