Question 1

One horsepower is how many watts?

Accepted Answer

A)  746 
B)  10,000 
C)  467 
D)  1,000 
A)  746 
B)  10,000 
C)  467 
D)  1,000 A

Question 2

Horsepower is expressed in units of ________.

Accepted Answer

A)  foot-pounds 
B)  foot-pounds per minute 
C)  pound-feet per second 
D)  pound-feet 
A)  foot-pounds 
B)  foot-pounds per minute 
C)  pound-feet per second 
D)  pound-feet B

Question 3

A supercharger increases the amount of ________ that is available to the engine.

Accepted Answer

A)  temperature 
B)  fuel 
C)  air 
D)  oil pressure 
A)  temperature 
B)  fuel 
C)  air 
D)  oil pressure C

Question 4

The following statements are all correct EXCEPT ________.

Accepted Answer

A)  torque is often expressed in pound-feet 
B)  torque always results in movement 
C)  torque is the measurement of rotational force 
D)  All of the above answers are correct. 
A)  torque is often expressed in pound-feet 
B)  torque always results in movement 
C)  torque is the measurement of rotational force 
D)  All of the above answers are correct.

Question 5

A 5.7 liter engine is about what size in cubic inches?

Accepted Answer

A)  426 
B)  305 
C)  400 
D)  350 
A)  426 
B)  305 
C)  400 
D)  350

Question 6

How many rotations of the crankshaft are required to complete each stroke of a four-stroke cycle engine?

Accepted Answer

A)  One-half 
B)  Two 
C)  One-fourth 
D)  One 
A)  One-half 
B)  Two 
C)  One-fourth 
D)  One

Question 7

The turbocharger blades are driven by ________.

Accepted Answer

A)  exhaust gases 
B)  a large belt 
C)  intake gases 
D)  a chain or gear 
A)  exhaust gases 
B)  a large belt 
C)  intake gases 
D)  a chain or gear

Question 8

Technician A says that changing connecting rod length changes engine stroke. Technician B says that changing connecting rod length changes the position of the piston in the cylinder. Which technician is correct?

Accepted Answer

A)  Technician A only 
B)  Technician B only 
C)  Both technicians A and B 
D)  Neither technician A nor B 
A)  Technician A only 
B)  Technician B only 
C)  Both technicians A and B 
D)  Neither technician A nor B

Question 9

The metric unit for torque used by most original equipment manufacturers (OEM) is which of these?

Accepted Answer

A)  Newton-meter 
B)  Foot-pound 
C)  Pound-foot 
D)  Kilogram-meter 
A)  Newton-meter 
B)  Foot-pound 
C)  Pound-foot 
D)  Kilogram-meter

Question 10

How many degrees of CAMSHAFT rotation are needed for a piston to travel from TDC to BDC and return to TDC?

Accepted Answer

A)  180 
B)  360 
C)  720 
D)  90 
A)  180 
B)  360 
C)  720 
D)  90

Question 11

The ________ converts linear motion of the pistons into rotary motion.

Accepted Answer

A)  crankshaft 
B)  connecting rod 
C)  camshaft 
D)  None of these 
A)  crankshaft 
B)  connecting rod 
C)  camshaft 
D)  None of these

Question 12

All of these are correct EXCEPT ________.

Accepted Answer

A)  forced induction reduces the effect of altitude on engine power 
B)  engines produce lower horsepower at higher altitude 
C)  engines produce higher horsepower at higher altitude 
D)  air is less dense and contains less oxygen at higher altitude 
A)  forced induction reduces the effect of altitude on engine power 
B)  engines produce lower horsepower at higher altitude 
C)  engines produce higher horsepower at higher altitude 
D)  air is less dense and contains less oxygen at higher altitude

Question 13

One cylinder of an automotive four-stroke cycle engine completes a cycle every ________.

Accepted Answer

A)  360 degree 
B)  90 degree 
C)  180 degree 
D)  720 degree 
A)  360 degree 
B)  90 degree 
C)  180 degree 
D)  720 degree

Question 14

The diameter of a cylinder is called the ________.

Accepted Answer

A)  stroke 
B)  diameter 
C)  bore 
D)  radius 
A)  stroke 
B)  diameter 
C)  bore 
D)  radius

Question 15

The chemical energy in fuel is converted to heat by the burning of the fuel at a controlled rate. This process is called ________.

Accepted Answer

A)  combustion 
B)  torque 
C)  power 
D)  consumption 
A)  combustion 
B)  torque 
C)  power 
D)  consumption

Question 16

At what speed does the camshaft rotate?

Accepted Answer

A)  On-fourth of the crankshaft speed 
B)  Half crankshaft speed 
C)  The same speed as the crankshaft speed 
D)  Twice crankshaft speed 
A)  On-fourth of the crankshaft speed 
B)  Half crankshaft speed 
C)  The same speed as the crankshaft speed 
D)  Twice crankshaft speed

Question 17

Boost pressure is generally measured in ________.

Accepted Answer

A)  PSI 
B)  inch H2O 
C)  inch pound 
D)  inch Hg 
A)  PSI 
B)  inch H2O 
C)  inch pound 
D)  inch Hg

Question 18

What engine part converts the up and down motion of the pistons to rotary motion?

Accepted Answer

A)  Timing gears 
B)  Crankshaft 
C)  Connecting rod 
D)  Camshaft 
A)  Timing gears 
B)  Crankshaft 
C)  Connecting rod 
D)  Camshaft

Question 19

How many degrees of CRANKSHAFT rotation are required for a piston to travel from TDC to BDC and return to TDC?

Accepted Answer

A)  90 
B)  180 
C)  360 
D)  720 
A)  90 
B)  180 
C)  360 
D)  720

Question 20

An engine with a displacement of 302 cubic inches converts to ________ liters (rounded off).

Accepted Answer

A)  3.7 
B)  4.9 
C)  5.7 
D)  49 
A)  3.7 
B)  4.9 
C)  5.7 
D)  49

Exam 5: Engine Systems

One horsepower is how many watts?

Horsepower is expressed in units of ________.

A supercharger increases the amount of ________ that is available to the engine.

The following statements are all correct EXCEPT ________.

A 5.7 liter engine is about what size in cubic inches?

How many rotations of the crankshaft are required to complete each stroke of a four-stroke cycle engine?

The turbocharger blades are driven by ________.

Technician A says that changing connecting rod length changes engine stroke. Technician B says that changing connecting rod length changes the position of the piston in the cylinder. Which technician is correct?

The metric unit for torque used by most original equipment manufacturers (OEM) is which of these?

How many degrees of CAMSHAFT rotation are needed for a piston to travel from TDC to BDC and return to TDC?

The ________ converts linear motion of the pistons into rotary motion.

All of these are correct EXCEPT ________.

One cylinder of an automotive four-stroke cycle engine completes a cycle every ________.

The diameter of a cylinder is called the ________.

The chemical energy in fuel is converted to heat by the burning of the fuel at a controlled rate. This process is called ________.

At what speed does the camshaft rotate?

Boost pressure is generally measured in ________.

What engine part converts the up and down motion of the pistons to rotary motion?

How many degrees of CRANKSHAFT rotation are required for a piston to travel from TDC to BDC and return to TDC?

An engine with a displacement of 302 cubic inches converts to ________ liters (rounded off).

The Diagnostic Process

Gasoline, Alternative Fuels, and Diesel Fuels

Circuit Testers and Digital Meters

Oscilloscopes and Dsos

In-Vehicle Engine Service

Valve Train and Variable Valve Timing Diagnosis

Engine and Misfire Diagnosis

Can and Network Communications

Onboard Diagnosis

Global Obd Ii and Mode 06

Immobilizer Systems

Starting and Charging System Diagnosis

Ignition System Operation and Diagnosis

Temperature Sensors

Throttle Position Tp Sensors

Map and Maf Sensors

Electronic Throttle Control Systems

Oxygen Sensors

Fuel Trim Diagnosis

Fuel Pumps, Lines, and Filters

Fuel-Injection Components and Operation

Gasoline Direct-Injection Systems

Fuel-Injection System Diagnosis and Service

Electronic Transmission Controls

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Emission Control Devices Operation and Diagnosis

Module Reprogramming

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