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Area 1 Eya > Part 1 > Flashcards

Part 1 Flashcards

1
Q

An engine that burns fuel inside the cylinder.

External combustion engine
Internal combustion engine
Sterling engine
None of the above

A

internal combustion engine

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2
Q

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

Connecting rod
Cylinder block
Piston
Spark plug

A

Answer - Piston

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3
Q

Amount of power that the manufacturer specified for an engine.

Indicated horsepower
Brake horsepower
Rated horsepower
Belt horsepower

A

Answer – Rated Horsepower

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4
Q

Distance of movement piston from the top dead to the bottom dead center.

Stroke
Bore
Valve clearance
None of the Above

A

Answer - Stroke

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5
Q

Reduction of engine speed or flow of fuel.

Throttling
Clutching
Atomization
None of the above

A

Answer - Throttling

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6
Q

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

Governor
Accumulator
Actuator
None of the above

A

Answer - Actuator

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7
Q

A mechanical breaking up of fuel into spray droplets by high velocity of air passing through a jet.

Atomization
Carburetion
Turbo charging
None of the above

A

Answer - Atomization

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8
Q

A device that is used to actuate the throttle of an engine to increase its speed.

Governor
Accelerator
Actuator
None of the above

A

Answer - Accelerator

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9
Q

Usable power delivered by the engine

Indicated horsepower
Brake horsepower
Rated horsepower
None of the above

A

Answer – Brake horsepower

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10
Q

A device that meter the fuel air and mixes them into harmonious mixture before the mixture enters the combustion chamber of an engine.

Governor
Air injector
Carburetor
All of the above

A

Answer- Carburetor

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11
Q

A device that permits the flow of fuel and of burned gases in one direction only.

Check valve
Relief valve
Spark plug
None of the above

A

Answer – Check valve

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12
Q

An internal combustion engine that produces power in one revolution of the crankshaft.

Four stroke cycle engine
Two stroke cycle engine
Rotary engine
None of the above

A

Answer – Two stroke cycle

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13
Q

A device that provides ignition to a gasoline engine.

Flywheel
Fuel injector
Carburetor
Spark plug
None of the above
A

Answer – Spark plug

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14
Q

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

Intake
Exhaust
Intake and exhaust
None of the above

A

Answer – None of the above

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15
Q

Number of spark plugs for 6 cylinder diesel engine

6
12
4
None of the above

A

Answer – None of the above (kasi diesel engine ay walang spark plugs)

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16
Q

The volume displaced by a piston in making upward and downward stroke.

Piston displacement volume
Clearance volume
Total volume
None of the above

A

Answer – Piston displacement volume

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17
Q

At the downward stroke of two-stroke cycle, which of the events are taking place.

Power & intake
Compression & exhaust
Power and exhaust
None of the above

A

Answer – None of the above

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18
Q

The ratio of the clearance volume from the total volume.

Compression ratio
Air fuel ratio
Bore stroke ratio
None of the above

A

Answer – Compression Ratio

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19
Q

Power transmitted to the pistons by the gas in the cylinder

Brake horsepower
Indicated horsepower
Drawbar horsepower
Flywheel horsepower

A

Answer – Indicated horsepower

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20
Q

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

100
50
25
None of the above

A

Answer – 50 explosions

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21
Q

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

Clutch
Gear
Pulley
None of the above

A

Answer – Clutch

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22
Q

The space when the piston is at the top dead center

Piston displacement volume
Clearance volume
Total volume
None of the above

A

Answer – Clearance volume

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23
Q

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

One
Two
Four
None of the above

A

Answer - Two

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24
Q

Engine having fuel injected into the combustion chamber near the end of the combustion stroke and is ignited by heat of compression only.

Gasoline engine
Diesel engine
Steam engine
None of the above

A

Answer - Diesel

Pag diesel compression

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25
Q

Number of times the exhaust valve opens in 2-stroke cycle engine running at 2000 rpm.

1000
2000
1500
None of the above

A

Answer – None of the above

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26
Q

What is the indicated horsepower, of a four-stroke, six-cylinder engine having a 4” bore and 4” stroke. The engine speed is 1500 rpm and the mean effective pressure is 80 psi.

35 hp
45 hp
52 hp
None of the above

A

Answer – 45 hp

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27
Q

The sequence by which the cylinder delivers the power stroke.

Ignition
Firing order
Flash point
None of the above

A

Answer – Firing order

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28
Q

Engine that burns fuel outside the cylinder.

Spark ignition engine
External combustion engine
Compression ignition engine
None of the above

A

Answer – External combustion engine

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29
Q

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

Fuel and air
Fuel
Air
None of the above

A

Answer - Air

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30
Q

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

Spark plug
Piston
Carburetor
None of the above

A

Answer - Piston

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31
Q

Two pistons running at the same time in the same direction but performing different strokes.

Running mate
Firing order
Valve timing
None of the above

A

Answer – Running mate

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32
Q

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

1000
2000
500
None of the above

A

Answer – 1000 times

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33
Q

Two-stroke six-cylinder-internal-combustion engine has a cylinder bore of 4 inches and a stroke of 4 inches. If the engine is running at a speed of 1500 rpm, what is the indicated horsepower of the engine? The mean effective stroke is 80 psi.

85 hp
92 hp
102 hp
None of the above

A

Answer – 92 hp

34
Q

Firing order of 4-cylinder engine.

1-2-3-4
1-3-4-2
1-2-4-3
None of the above

A

Answer – 1-3-4-2

35
Q

A device which connects or disconnects engine crankshaft to the transmission box or driven machine.

Differential gear
Clutch
Actuator
None of the above

A

Answer: Clutch

36
Q

Firing order for 6-cylinder engine straight and V-piston.

1-5-3-6-2-4
1-4-2-6-3-5
1-2-3-4-5-6
None of the above

37
Q

Firing order for 8-cylinder V piston

1-6-8-4-3-2-7-5
1-8-7-3-6-5-4-2
All of the above
None of the above

A

Answer – All of the above

38
Q

Engine mechanical efficiency.

Brake hp over indicated hp
Rated hp over indicated hp
Friction hp over flywheel hp
None of the above

A

Answer – Brake horsepower over indicated horsepower

39
Q

Number of times the intake valve opens in a single-cylinder four-stroke cycle after completing 200 revolutions.

200
100
50
None of the above

A

Answer – 100 times

40
Q

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

20%
40%
60%
80%
None of the above
A

Answer – 80%

41
Q

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

Crankshaft
Piston
Camshaft
None of the above

A

Answer - Crankshaft

42
Q

Engine system that reduces the temperature of the cylinder.

Ignition System
Carburetor System
Cooling System
None of the above

A

Answer – Cooling System

43
Q

System of number indicating the ignition quality of diesel fuel.

Octane rating
Cetane rating
Fuel index
None of the above

A

Answer – Cetane rating

44
Q

Ten-hp engine is equivalent to

7.46 kw
76.4 watt
0.746 kw
None of the above

A

Answer – 7.46 kW

45
Q

A substance that decreases the effect of friction and which is commonly obtained from petroleum products.

Lubricant
Gear oil
Grease
All of the above

A

Answer – All of the above

46
Q

Gear oil is used for

Engine
Transmission box
Hydraulic system
All of the above

A

Answer – Transmission Box

47
Q

Mean effective pressure for turbo-charge engine.

300 psi
200 psi
400 psi
None of the above

A

Answer – 300 psi

48
Q

Engine valve that allows the entrance of fuel.

Exhaust valve
Intake valve
Check valve
None of the above

A

Answer – Intake valve

49
Q

Standard throttling adjustment of an engine.

1/3
½
¾
None of the above

A

Answer – 3/4

50
Q

Mean effective pressure of an engine.

120 psi
200 psi
50 psi
None of the above

A

Answer – 120 psi

51
Q

Number of pistons for 6 cylinder four stroke gasoline engine.

3
6
9
None of the above

A

Answer – no piston kasi gasoline sya spark plugs ang meron sya

52
Q

Fuel for compression ignition engine.

Gasoline
Kerosene
LPG
Diesel

A

Answer – diesel

53
Q

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

Viscosity
Cetane Number
Volume weight
None of the above

A

Answer - Viscosity

54
Q

The speed of the engine is automatically regulated by ______

Hand lever
Governor
Flywheel
None of the above

A

Answer - Governor

55
Q

Ignition timing for gasoline engine.

1-5 deg
5-10 deg
10-15 deg
None of the above

A

Answer – 5 to 10

56
Q

Ignition timing for diesel engine.

5-12 deg
17-19 deg
20-26 deg
None of the above

A

Answer – 17-19 deg

57
Q

A type of engine that completes power stroke in two revolution of the crankshaft.

Four-stroke cycle engine
Two-stroke cycle engine
All of the above
None of the above

A

Answer – four strokes cycle engine

58
Q

A type of engine that completes power stroke in one revolution of the crankshaft.

Four-stroke cycle
Two-stroke cycle
All of the above
None of the above

A

Answer – two stroke cycle engine

59
Q

An engine that produce more power per unit weight.

Four-stroke cycle
Two-stroke cycle
All of the above
None of the above

A

Answer – two-stroke

60
Q

An engine which uses oil entirely as lubricant.

Four-stroke cycle
Two-stroke cycle
All of the above
None of the above

A

Answer – four stroke cycle

61
Q

One horsepower can generate heat energy equal to

2455 BTU/hr
2545 BTU/hr
2445 BTU/hr
None of the above

A

Answer – 2545 BTU/hr

62
Q

An engine basically has

Larger cylinder diameter than piston diameter
Equal piston diameter than cylinder diameter
Larger piston diameter than cylinder diameter
None of the above

A

Answer: Larger cylinder diameter than piston diameter

63
Q

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

Spark plug
Flywheel
Piston
None of the above

A

Answer - Flywheel

64
Q

If a 4-cylinder, 2-stroke-cycle internal-combustion engine has 600 explosion per minute, what is the engine rpm.

125 rpm
150 rpm
200 rpm
None of the above

A

Answer – 150 rpm

65
Q

The indicated power of an engine is 69 horsepower. The brake horsepower is 54. What is the mechanical of engine efficiency?

69 %
78 %
59 %
None of the above

A

Answer – 78%

66
Q

The brake constant is

2 π R/c
2 π RN
2 π RFn/c
None of the above

A

Answer – 2 π R/c

67
Q

What is the brake constant value of dynamometer whose length of arm is equal to 1m?

0.082 sec/kg
0.82 sec/kg
2.8 sec/kg
None of the above

A

Answer – 0.082 sec/kg

68
Q

If a two-stroke 4-cylinder engine is running at 2000 rpm, the power stroke per minute of the engine is

4000
8000
2000
None of the above

A

Answer – 2000 strokes per min

69
Q

Power available on human for useful work.

0.1 hp
0.5 hp
0.3 hp
None of the above

A

Answer – 0.1 hp

70
Q

Domesticated animals used as power for agriculture.

Dairy animals
Draft animals
Game animals
None of the above

A

Answer – Draft animals

71
Q

A person is doing a work for 4 hours, what is the power developed by the person?

0.09 hp
0.13 hp
0.15 hp
None of the above

A

Answer – 0.13 hp

72
Q

Conversion of solid into combustible carbon monoxide through thermo-chemical reaction.

Digestion
Carbonization
Gasification
Pyrolysis

A

Answer - Gasification

73
Q

Power generated from moving air.

Wind power
Hydropower
Photovoltaic cell
None of the above

A

Answer - Windpower

74
Q

A gas produces putrefactive bacteria that breaks down organic material under airless condition consisting mainly of methane and carbon dioxide.

Biofuel
Biogas
Gasifier
LPG

A

Answer - biogas

75
Q

Wind is moving at 4 meters per second. If the rotor area is 2 square meters, what is the wind power?

80 watts
125 watts
95 watts
None of the above

A

Answer – 80 watts

76
Q

Average power density of solar heat striking the earth surface.

1 kw/m2
0.89 kw/m2
0.58 kw/m2
None of the above

A

Answer – 0.89 kW/m2

77
Q

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

Rotor
Generator
Motor
None of the above

A

Answer - Rotor

78
Q

A device that converts electricity to mechanical power.

Rotor
Generator
Motor
None of the above

A

Answer - Motor

79
Q

A device that converts electricity to mechanical power.

Rotor
Generator
Motor
None of the above

A

Answer - Motor

80
Q

A device that converts electricity from sunlight.

Windpump
Photovoltaic
Generator
None of the above

A

Answer - Photovoltaic

81
Q

Wind machine that is used for lifting water.

Aeropump
Wind turbine
WIndpump
None of the above

A

Answer - windpump

Area 1 Eya (7 decks)

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