Deck 18: Gasoline Engine Operation, Parts, and Specifications

Question 1

All overhead valve engines ________.

A)Operate by the two-stroke cycle
B)Use an overhead camshaft
C)Use the camshaft to close the valves
D)Have the valves located in the cylinder head

Answer 1

Have the valves located in the cylinder head

Question 2

An SOHC V8 engine has how many camshafts?

A)One
B)Two
C)Three
D)Four

Answer 2

Two

Question 3

The coolant flow through the radiator is controlled by the ________.

A)Cooling Fan(s)
B)Water pump
C)Thermostat
D)Size of the passages in the block

Answer 3

Thermostat

Question 4

In this drawing, which item is the camshaft?

A)A
B)B
C)C
D)None of these

Question 5

The ratio of the volume of a cylinder with the piston at BDC to the volume of the cylinder with the piston at TDC is known as ________.

A)Volume ratio
B)Compression ratio
C)Displacement
D)None of these

Question 6

An 8 cylinder engine with a bore of 4.000 inches and a stroke of 3.000 inches has a displacement of ________.

A)302 cubic inches
B)226 cubic inches
C)350 cubic inches
D)383 cubic inches

Question 7

Which of the following is the most correct statement about the direction of engine rotation?

A)Most engines rotate counter clockwise as viewed from the front of the engine.
B)Most engines rotate counter clockwise as viewed from the non principal end of the engine.
C)Most engines rotate clockwise as viewed from the front of the engine.
D)Most engines rotate clockwise as viewed from the principal end of the engine.

Question 8

Which component is NOT needed in a typical overhead cam engine?

A)Push rod
B)Rocker arm
C)Camshaft
D)Valve spring

Question 9

A rotating force is called ________.

A)Combustion pressure
B)Horsepower
C)Eccentric movement
D)Torque

Question 10

Which component listed below does NOT form part of the combustion chamber?

A)Cylinder head
B)Valve
C)Piston
D)Connecting rod