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Engine

Total questions: 37

Worksheet time: 20mins

Name
Class
Date
1.

What direction is the piston traveling during the Power-Stroke?

a)

Up

b)

Down

c)

Left

d)

Right

2.

What are the two types of cooling systems:

a)

Air and Vent

b)

Vent and Electric

c)

Liquid and Electric

d)

Liquid and Air

3.

What position are the valves in during the intake stroke

a)

Intake Closed, Exhaust Closed

b)

Intake Open, Exhaust Open

c)

Intake Open, Exhaust Closed

d)

I have no idea

4.

Cylinder volume with the piston at bottom dead center (BDC) compared to cylinder volume with the piston at top dead center (TDC)

a)

Compression Ratio

b)

Piston Comparison

c)

Piston Aspect Ratio

d)

Engine Displacement

5.

A car uses a four-stroke engine.

The four strokes are:

a)

intake, compression, combustion and exhaust

b)

injection, rotation, combustion and exhaust

c)

injection, carburetion, rotation and exhaust

6.

A crankshaft's job in an engine is to:

a)

deliver fuel to the cylinders

b)

change linear motion into rotational motion

c)

keep cylinder heads in place

7.

What's another name for the four-stroke engine cycle?

a)

Otto cycle

b)

Tesla cycle

c)

compression cycle

8.

Modern cars use internal combustion engines, but some early models used external combustion engines.

What is one example of an external combustion engine?

a)

steam engine

b)

firecracker engine

c)

hydroponic engine

9.
Reciprocating engines operate on the basic principle of?
a)
Converting Chemical energy into mechanical energy.
b)
Converting  energy into electrical energy.
c)
Converting mechanical energy into lightning energy.
10.
in the Power stroke of an engine, the fuel and air is compressed and ignited by the?
a)
high pressure
b)
spark plug
c)
piston movement
d)
high temperature
11.
the exhaust stroke, pulls out the emissions by opening up?
a)
exhaust moffler 
b)
exhaust valve
c)
crankcase 
d)
cylinder
12.
The length the piston moves from top to bottom or bottom to top is called
a)
Stroke
b)
Bore
c)
Movement
d)
Lenght
13.
What is the order of operation of a 4 stroke engine
a)
Intake, Power, Compression, Exhaust
b)
Exhaust, Intake, Compression, Power
c)
Intake, Compression, Power, Exhaust
d)
Compression, Exhaust, Power, Intake
14.
The major difference in two stroke and two stroke engines is
a)
The type of parts
b)
Number of strokes to complete a power cycle
c)
Mixing oil with the gas
d)
What it is used on
15.

The process of compressing fuel and air

a)

compression

b)

pressure

c)

exhaust

d)

ignition

16.

A force caused by pushing against something

a)

compression

b)

ignition

c)

pressure

d)

exhaust

17.

An opening where spent fuel is released

a)

intake

b)

exhaust valve

c)

cylinder

d)

head

18.

To make something burn or catch fire

a)

ignite

b)

compress

c)

exhaust

d)

press

19.

The four-stroke engine works by heating fuel and air in a...

a)

cylinder

b)

head

c)

crankshaft

d)

camshaft

20.

During the first stroke the ............. valve lets fuel and air into the cylinder.

a)

intake

b)

cylinder

c)

compression

d)

head gasket

21.

The intake valve closes during the ............. stroke.

a)

compression

b)

exhaust

c)

intake

d)

power

22.

The final stroke ....................... gas.

a)

ignites

b)

releases

c)

goes

d)

takes

23.

The .................. is the most common type of engine.

a)

head gasket

b)

four-stroke engine

24.

The car did not start because the spark failed during the ............

a)

power stroke

b)

cylinder head

25.

Who invented the Diesel engine?

a)

Vincenzo Diesel

b)

Rocky Marciano

c)

Rudolf Diesel

d)

Nicolaus Otto

26.

Who invented the four stroke cycle?

a)

Nicolaus Otto

b)

Rocky Balboa

c)

Mozart

d)

Tyrese Gibson

27.

What is full form of SI

a)

Simple Ignition

b)

Standard idling

c)

Spark ignition

d)

Solo identification

28.

What's full form of CI

a)

Compression inefficiency

b)

Computerised injection

c)

Compressed injection

d)

Compression ignition

29.

I have pulsar 180cc. What's cc in it?

a)

Volume of cylinder

b)

Displacement

c)

Clearance volume

d)

Stroke

30.

A four - stroke engine generates power _____ time(s) during a complete cycle.

a)

1

b)

4

c)

2

d)

3

31.

During the intake stroke, ________________________________.

a)

Spent gases are forced out of the combustion chamber from the piston's travel from BDC to TDC

b)

Fuel is supplied to the combustion chamber

c)

Air - fuel mixture is deposited into the combustion chamber

d)

The piston travels from BDC to TDC to compress the fuel charge prior to ignition

32.

A petrol engine, during intake stroke draws

a)

petrol only

b)

a mixture of petrol and air

c)

air only

d)

none of the mentioned

33.

What position are the valves in during the intake stroke

a)

Intake Closed, Exhaust Closed

b)

Intake Open, Exhaust Closed

c)

Intake Open, Exhaust Open

d)

I have no idea

34.

Which of the following medium is compressed in diesel engine cylinder

a)

Fuel alone

b)

Air and petrol

c)

Air and lubrication oil

d)

Air alone

35.

In a diesel engine,the fuel is injected by_________

a)

fuel pump

b)

Spark plug

c)

Ignitor

d)

Injector

36.

Controls the action of the valves.

a)

Camshaft

b)

Cylinders

c)

Pistons

d)

Crankshaft

37.

The part of a piston engine which connects the piston to the crankshaft.

a)

Camshaft

b)

Valves

c)

Rocker arm

d)

Connecting Rod