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EOPA: Complete Engines

Total questions: 56

Worksheet time: 32mins

Name
Class
Date
1.

Name the parts of a gasoline engine.

2.


​ (a)   are the parts of the engine where the pistons circulate. They are made of very resistant materials, since they have to withstand the bursts of energy that move the engine.

Choose from the below words
Cylinders
Inlet valves
Connecting rods
Camshafts
3.


The​ ​ (a)   is the glue that connects the parts of the engine. Its purpose is to turn the linear (up and down) motion of the pistons into rotational motion. One end is attached to the camshaft, via a timing belt.

Choose from the below words
inlet valve
crankshaft
timing belt
camshaft
4.


The​​ ​ (a)   is a power management device for the engine. It is connected to the clutch, which is connected to the transmission.

Choose from the below words
inlet valve
camshaft
flywheel
exhaust valve
5.


The​​ ​ (a)   is a reinforced rubber belt with teeth on one side. It connects the engine's crankshaft and camshaft, ensuring the valves open and close perfectly with the pistons.

Choose from the below words
connecting rod
timing belt
inlet valve
camshaft
6.


The​​ ​ (a)   is a device that manages the timing of the engine. Its job is to regulate when fuel is let into the engine, and when exhaust is let out.

Choose from the below words
camshaft
inlet valve
connecting rod
exhaust valve
7.

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

8.

What are the three common ways to arrange an engine's cylinder?

a)

V-6, V-8, HEMI

b)

inline, V, flat

c)

inline, flat, rotary

9.

Which of the following connects the connecting rod to the piston?

a)
Rod Cap
b)
Connecting Rod
c)
Piston Pin
d)
Rod Bolt
10.
When the cylinder head is bolted to the block, a ________________ is installed between the head and block to maintain an airtight and watertight seal.
a)
Manifold
b)
Head Gasket
c)
Crossover
d)
Header
11.

The engine part shown in the figure is a/an :

a)

Intake manifold gasket

b)

Valve cover gasket

c)

Cylinder head gasket

d)

Exhaust manifold gasket

12.

The purpose of the camshaft shown in the figure is to :

a)

Open valves at the correct timing

b)

Connect the piston to the connecting rod

c)

Change piston motion to rotary motion

d)

Close valves at the correct timing

13.

In the four-stroke cycle petrol engine, the stroke shown in the figure is called a/an:

a)

Compression stroke

b)

Intake stroke

c)

Exhaust stroke

d)

Power stroke

14.

The main part of an engine shown in the figure is a/an :

a)

Cylinder head

b)

Oil pan

c)

Cylinder block

d)

Cylinder headcover

15.

The space (volume) above the piston with the piston at TDC is called :

a)

Piston stroke

b)

Combustion chamber

c)

Cylinder bore

d)

Piston displacement

16.

The part shown in the figure is:

a)

Piston

b)

Camshaft

c)

Crankshaft

17.

The Component Which Control Gas Flow is:

a)

Valve.

b)

Connecting Rod.

c)

Push Rod.

18.

The part shown in the figure is:

a)

Piston

b)

Camshaft

c)

Crankshaft

19.

Prevents combustion pressure from blowing by and entering the crankcase

a)

Valves

b)

Compression Rings

c)

Oil Rings

d)

Oil Galleries

20.

Connects a piston to a crankshaft

a)

Connecting Rod

b)

Piston Ring

c)

Main Bearings

d)

Wrist Pin

21.

Bolts to the top of the block covering the tops of the cylinders.

a)

Connecting Rod

b)

Top End

c)

Flywheel

d)

Cylinder Head

22.

Heavy wheel containing a rubber vibration dampener

a)

Flywheel

b)

Counter Weights

c)

Harmonic Balancer

d)

Wrist Pin

23.

Small pockets above the pistons where air-fuel mixture ignites.

a)

Cylinder Head

b)

Combustion Chamber

c)

Compression Chamber

d)

Combustion Stroke

24.

Connects the engine to the transmission for power transfer. Has teeth mounted around its circumference to engage the starter.

a)

Harmonic Balancer

b)

Counter Weights

c)

Power Plate

d)

Flywheel

25.

Consists of the block, crankshaft, main bearings, caps, connecting rods, and pistons along with other components.

a)

Top end

b)

Bottom End

c)

Cylinder Head

d)

Combustion Chamber

26.

Round holes or bores machined into a block in which the pistons travel up and down.

a)

Piston Hole

b)

Cylinder

c)

Piston Port

d)

Jacket

27.

How many times does the crankshaft turn each time the camshaft turns?

a)

Once 1:1

b)

Twice 2:1

c)

Three times 3:1

d)

Half a turn 0.5:1

e)

None of the above

28.

In addition to compression what does a diesel engine require for ignition?

a)

Heat

b)

Cold

c)

Zero gravity

d)

Perpetual motion

29.

Who invented the Diesel engine?

a)

Vincenzo Diesel

b)

Rocky Marciano

c)

Rudolf Diesel

d)

Nicolaus Otto

30.

Who invented the four stroke cycle?

a)

Nicolaus Otto

b)

Rocky Balboa

c)

Mozart

d)

Tyrese Gibson

31.

What components are used to connect the camshaft to the crankshaft?

a)

Timing belts

b)

Timing chains

c)

Pulse width modulators

d)

Gears

32.

What is the purpose of a crankshaft in an engine?

a)

To reduce friction in the engine.

b)

To control the flow of fuel in the engine.

c)

To generate electricity for the engine.

d)

To convert reciprocating motion into rotational motion.

33.

What is the role of a camshaft in an engine?

a)

The camshaft controls the transmission.

b)

The camshaft is responsible for generating electricity.

c)

The camshaft controls the valves.

d)

The camshaft regulates the fuel injection.

34.

What is the function of an intake valve in an engine?

a)

Regulate the temperature of the engine

b)

Allow air and fuel mixture to enter the combustion chamber

c)

Ignite the air and fuel mixture

d)

Control the flow of exhaust gases

35.

What is the purpose of an exhaust valve in an engine?

a)

To increase the engine's horsepower

b)

To supply fuel to the combustion chamber

c)

To cool down the engine

d)

To release burned gases from the combustion chamber

36.

What is the main function of a connecting rod in an engine?

a)

To connect the piston to the camshaft and control valve timing.

b)

To provide support and stability to the engine block.

c)

To regulate the flow of coolant in the engine.

d)

To connect the piston to the crankshaft and convert reciprocating motion to rotational motion.

37.

What is the main function of a piston in an engine?

a)

To cool down the engine.

b)

To provide electrical power to the vehicle.

c)

To transfer the force generated by the combustion of fuel to the crankshaft.

d)

To regulate the flow of fuel in the engine.

38.

What is the purpose of a crankshaft in an engine?

a)

To reduce friction in the engine.

b)

To control the flow of fuel in the engine.

c)

To generate electricity for the engine.

d)

To convert reciprocating motion into rotational motion.

39.

What is the role of a camshaft in an engine?

a)

The camshaft controls the transmission.

b)

The camshaft is responsible for generating electricity.

c)

The camshaft controls the valves.

d)

The camshaft regulates the fuel injection.

40.

What is the function of an intake valve in an engine?

a)

Regulate the temperature of the engine

b)

Allow air and fuel mixture to enter the combustion chamber

c)

Ignite the air and fuel mixture

d)

Control the flow of exhaust gases

41.

What is the purpose of an exhaust valve in an engine?

a)

To increase the engine's horsepower

b)

To supply fuel to the combustion chamber

c)

To cool down the engine

d)

To release burned gases from the combustion chamber

42.

What is the main function of a connecting rod in an engine?

a)

To connect the piston to the camshaft and control valve timing.

b)

To provide support and stability to the engine block.

c)

To regulate the flow of coolant in the engine.

d)

To connect the piston to the crankshaft and convert reciprocating motion to rotational motion.

43.

What is the role of a cylinder head in an engine?

a)

The role of a cylinder head in an engine is to seal the combustion chamber and house the valves, spark plugs, and fuel injectors.

b)

The role of a cylinder head in an engine is to generate electricity.

c)

The role of a cylinder head in an engine is to regulate the flow of coolant.

d)

The role of a cylinder head in an engine is to provide a cushion for the piston.

44.

What is the function of a timing belt in an engine?

a)

The timing belt in an engine is designed to reduce engine noise and vibration.

b)

The timing belt in an engine is used to regulate the air intake into the combustion chamber.

c)

The function of a timing belt in an engine is to synchronize the rotation of the crankshaft and the camshaft.

d)

The timing belt in an engine is responsible for controlling the fuel injection timing.

45.

What is the purpose of a fuel injector in an engine?

a)

To remove excess fuel from the combustion chamber

b)

To regulate the temperature of the engine

c)

To increase the air intake in the combustion chamber

d)

To deliver fuel into the combustion chamber

46.

What is the main function of a spark plug in an engine?

a)

Ignite the air-fuel mixture

b)

Control the temperature of the engine

c)

Provide lubrication to the engine

d)

Filter the air entering the engine

47.

What is the main function of a piston in an engine?

a)

To cool down the engine.

b)

To provide electrical power to the vehicle.

c)

To transfer the force generated by the combustion of fuel to the crankshaft.

d)

To regulate the flow of fuel in the engine.

48.

What is the purpose of a crankshaft in an engine?

a)

To reduce friction in the engine.

b)

To control the flow of fuel in the engine.

c)

To generate electricity for the engine.

d)

To convert reciprocating motion into rotational motion.

49.

What is the role of a camshaft in an engine?

a)

The camshaft controls the transmission.

b)

The camshaft is responsible for generating electricity.

c)

The camshaft controls the valves.

d)

The camshaft regulates the fuel injection.

50.

What is the function of an intake valve in an engine?

a)

Regulate the temperature of the engine

b)

Allow air and fuel mixture to enter the combustion chamber

c)

Ignite the air and fuel mixture

d)

Control the flow of exhaust gases

51.

What is the purpose of an exhaust valve in an engine?

a)

To increase the engine's horsepower

b)

To supply fuel to the combustion chamber

c)

To cool down the engine

d)

To release burned gases from the combustion chamber

52.

What is the main function of a connecting rod in an engine?

a)

To connect the piston to the camshaft and control valve timing.

b)

To provide support and stability to the engine block.

c)

To regulate the flow of coolant in the engine.

d)

To connect the piston to the crankshaft and convert reciprocating motion to rotational motion.

53.

What is the role of a cylinder head in an engine?

a)

The role of a cylinder head in an engine is to seal the combustion chamber and house the valves, spark plugs, and fuel injectors.

b)

The role of a cylinder head in an engine is to generate electricity.

c)

The role of a cylinder head in an engine is to regulate the flow of coolant.

d)

The role of a cylinder head in an engine is to provide a cushion for the piston.

54.

What is the function of a timing belt in an engine?

a)

The timing belt in an engine is designed to reduce engine noise and vibration.

b)

The timing belt in an engine is used to regulate the air intake into the combustion chamber.

c)

The function of a timing belt in an engine is to synchronize the rotation of the crankshaft and the camshaft.

d)

The timing belt in an engine is responsible for controlling the fuel injection timing.

55.

What is the purpose of a fuel injector in an engine?

a)

To remove excess fuel from the combustion chamber

b)

To regulate the temperature of the engine

c)

To increase the air intake in the combustion chamber

d)

To deliver fuel into the combustion chamber

56.

What is the main function of a spark plug in an engine?

a)

Ignite the air-fuel mixture

b)

Control the temperature of the engine

c)

Provide lubrication to the engine

d)

Filter the air entering the engine