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Worksheets

Farm Power - Terms Only 2

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

Ignition timing of gasoline engine:

a)

2-4 deg

b)

5-10 deg

c)

12-16 deg

d)

17-19 deg

2.

MAG Engines are manufactured by:

a)

Brazil

b)

Italy

c)

USA

d)

Switzerland

3.

Calorific value of Diesel:

a)

3000-4000 kCal/kg

b)

5000-7000 kCal/kg

c)

8000-9000 kCal/kg

d)

10000-11000 kCal/kg

4.

Heating value of Biogas:

a)

5100 kCal/L

b)

5500 kCal/L

c)

9000 kCal/L

d)

10800 kCal/L

5.

What does an inverter do?

a)

change AC to DC

b)

change DC to AC

c)

invert DC to another DC

d)

invert AC to another AC

6.

Average speed of draft animals:

a)

< 1m/s

b)

1m/s

c)

> 1m/s but < 2m/s

d)

2m/s

7.

Performance efficiency of horses:

a)

5-8%

b)

8-10%

c)

10-12%

d)

12-13%

8.

Smallest draft animal:

a)

Carabao

b)

Donkey

c)

Horse

d)

Chicken

9.

Thermal efficiency of an open-fire stove:

a)

3-11%

b)

12-20%

c)

25-30%

d)

45-55%

10.

It contains 99.9% alcohol and is also called Neat alcohol.

a)

Hydrous bioethanol

b)

Anhydrous bioethanol

c)

Hydrous ethanol

d)

Anhydrous ethanol

11.

The process of producing biodiesel from coconut using heat.

a)

Esterification

b)

Cruzesterification

c)

Transesterification

d)

Super esterification

12.

He advanced the theory of operation of all modern types of internal combustion engines and stated that there were four conditions essential for its operation.

a)

Nicolaus Otto

b)

Rudolf Otto

c)

Nicolaus Diesel

d)

Rudolf Diesel

13.

It is a special gear driven shaft usually protruding from the backside of the tractor rear axle housing designed to provide power.

a)

Three-point hitch

b)

Drawbar

c)

Differential

d)

PTO

14.

It is a vertical axis windmill with a very low tip-speed ratio.

a)

Darrieus

b)

Cretan

c)

Savonius

d)

NOTA

15.

What part of an ICE is usually made of cast iron and primary function is to maintain uniform engine speed by carrying the crankshaft through intervals when it is not receiving energy from the piston?

a)

Connecting rod

b)

Governor system

c)

Accelerator

d)

Flywheel

16.

This accessory removes particles that could harm the fuel system.

a)

Engine filter

b)

Water filter

c)

Fuel filter

d)

Sediment filter

17.

What is the atomic weight of oxygen gas?

a)

16

b)

32

c)

64

d)

72

18.

It is the specific resistance of a given type of soil at a given moisture content.

a)

unit draft

b)

drawbar power

c)

specific resistance

d)

traction

19.

This refers to the fraction of axle power that is converted to drawbar by the drive wheels.

a)

slip

b)

travel reduction

c)

tractive efficiency

d)

dynamic traction

20.

In a compression-ignition engine, the fuel is introduced into the cylinder using this device.

a)

intake manifold

b)

intake valve

c)

top dead center

d)

fuel injector

21.

A blend of 90% unleaded gasoline and 10% alcohol that can be used as fuel for spark-ignition engines.

a)

Methanol

b)

Bioethanol

c)

Gasohol

d)

Cocohol

22.

The weight of a fuel used by an engine per unit time divided by the corresponding power measured.

a)

Specific energy

b)

Specific heat

c)

Specific fuel consumption

d)

Thermal efficiency

23.

Calorific value of rice husk

a)

4500 kCal/kg

b)

1450 kCal/kg

c)

5310 kCal/kg

d)

3000 kCal/kg

24.

Occurs by self heating, followed by thermal runaway and finally, ignition.

a)

Perfect combustion

b)

Complete combustion

c)

Incomplete combustion

d)

Spontaneous combustion

25.

Mixture where the proportion of air in overall mixture is more than the proportion of fuel resulting in exhaust gas being white in color.

a)

Lean mixture

b)

Rich mixture

c)

Correct mixture

d)

NOTA

26.

The air admitted to the fuel.

a)

Stoichiometric air

b)

Primary air

c)

Secondary air

d)

Tertiary air

27.

It is the ratio of the drawbar power and the wheel axle power.

a)

Lugging efficiency

b)

Traction efficiency

c)

Mechanical efficiency

d)

NOTA

28.

The sum of all resistance acting on the tractor.

a)

Moving resistance

b)

Running resistance

c)

Rolling resistance

d)

NOTA

29.

Machine element that transmit torque and power.

a)

Pulley

b)

Bearing

c)

Shaft

d)

NOTA

30.

The force to propel an implement in the direction of travel.

a)

Draft

b)

Drawbar HP

c)

Brake HP

d)

Indicated HP

31.

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)

NOTA

32.

Power transmitted to the pistons by the gas in the cylinder.

a)

Brake HP

b)

Indicated HP

c)

Drawbar HP

d)

Flywheel HP

33.

It is a measure of the area in cubic inches above the piston when it is the top of its stroke, compared to the area above the piston when it is at the bottom stroke.

a)

Piston displacement

b)

Compression ratio

c)

Clearance volume

d)

NOTA

34.

Premature explosion in the cylinder of a gasoline engine during the exhaust stroke.

a)

Backlash

b)

Backfire

c)

Back pressure

d)

NOTA

35.

A switching device of high voltage current in multiple cylinder engine which breaks primary and secondary circuits.

a)

DIstributor

b)

Contact point

c)

Relay

d)

NOTA

36.

It refers to any ring or washer providing a packing or seal between metal surfaces of engine.

a)

Oil ring

b)

Piston ring

c)

Gasket

d)

NOTA

37.

It is the setting of the distributor to give high voltage current to the spark plug in relation to the movement ad position of the piston.

a)

Idling

b)

Ignition timing

c)

Engine timing

d)

NOTA

38.

Ignition or combustion of fuel not at the proper time.

a)

Backfiring

b)

Misfiring

c)

Nonfiring

d)

NOTA

39.

Abnormal rapid combustion occurring simultaneously with normal combustion manifested by loss of power, overheating, rough operation, and sharp ringing sound called engine knock.

a)

Explosion

b)

Ignition

c)

Detonation

d)

NOTA

40.

Type of pump that combines the features of a centrifugal and axial flow pump

a)

Submersible pump

b)

Mixed flow pump

c)

Reciprocating pump

d)

NOTA

41.

ACME engines are made from:

a)

Japan

b)

Italy

c)

USA

d)

UK

42.

Robin engines are made from:

a)

USA

b)

Japan

c)

Switzerland

d)

UK

43.

Kohler engines are made from:

a)

USA

b)

Italy

c)

UK

d)

Japan

44.

It is a fuel gas mixture consisting primarily of hydrogen, carbon monoxide, and very often some carbon dioxide. It is made by the partial combustion of carbonaceous substances in an atmosphere of air and steam.

a)

biogas

b)

LPG

c)

synthesis gas

d)

producer gas

45.

Ideally, this engine event of the compression-ignition engine occurs at constant pressure.

a)

Intake

b)

Compression

c)

Power

d)

Exhaust

46.

This vertical axis windmill is usually three-bladed and has high tip-speed ratio.

a)

Cretan

b)

Savonius

c)

Darrieus

d)

NOTA

47.

An engine valve operates:

a)

once per cycle

b)

twice per cycle

c)

thrice per cycle

d)

doesn't operate in a cycle

48.

A device which uses fluid power to produce mechanical force and motion.

a)

Governor

b)

Accumulator

c)

Actuator

d)

NOTA

49.

A colorless, odorless and tasteless gas produced from the partial oxidation of carbon-containing compounds and can be used as fuel for ICEs.

a)

nitrous oxide

b)

carbon dioxide

c)

carbon monoxide

d)

NOTA

50.

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)

Butane rating