Question 1

Although the exact proper time varies with engine design, ignition must occur_____.

Accepted Answer

A) just before the end of the compression stroke 
B) just after the beginning of the power stroke 
C) just before the beginning of the exhaust stroke 
D) just at the end of the intake stroke 
A) just before the end of the compression stroke 
B) just after the beginning of the power stroke 
C) just before the beginning of the exhaust stroke 
D) just at the end of the intake stroke

Question 2

A RWD vehicle that is equipped with independent rear suspension has a rear differential and drive axle shafts similar to a FWD vehicle.

Accepted Answer

A) True 
 B)False

Question 3

Engine power is transferred to an automatic transmission through a ______.

Accepted Answer

A) differential 
B) U-joint 
C) torque converter 
D) constant velocity joint 
A) differential 
B) U-joint 
C) torque converter 
D) constant velocity joint

Question 4

Two technicians are discussing an OBD II vehicle that has a flashing check engine light. Technician A says there is problem with the engine lubrication or cooling system and the vehicle must not be driven, otherwise serious engine damage will occur. Technician B says there is a severe ignition misfire and the driver should reduce speed and engine load and have the vehicle serviced as soon as possible. Who is correct?

Accepted Answer

A) A only 
B) B only 
C) both A and B 
D) neither A nor B 
A) A only 
B) B only 
C) both A and B 
D) neither A nor B

Question 5

Which component is located in the vehicle's exhaust system?

Accepted Answer

A) PCV 
B) catalytic converter 
C) sump 
D) PVC 
A) PCV 
B) catalytic converter 
C) sump 
D) PVC

Question 6

Steering systems are being discussed. Technician A says most passenger cars use a recirculating ball-type mechanism. Technician B says most pickup trucks and SUVs use a rack-and-pinion mechanism. Who is correct?

Accepted Answer

A) A only 
B) B only 
C) both A and B 
D) neither A nor B 
A) A only 
B) B only 
C) both A and B 
D) neither A nor B

Question 7

Technician A says a four-wheel drive vehicle uses a transfer case. Technician B says an all wheel drive [AWD] vehicle has a center differential. Who is correct?

Accepted Answer

A) A only 
B) B only 
C) both A and B 
D) neither A nor B 
A) A only 
B) B only 
C) both A and B 
D) neither A nor B

Question 8

Technician A says power brake systems use a vacuum booster to increase the force applied to the master cylinder. Technician B says power brake systems use hydraulic pressure from the power steering pump to increase the force applied to the master cylinder. Who is correct?

Accepted Answer

A) A only 
B) B only 
C) both A and B 
D) neither A nor B 
A) A only 
B) B only 
C) both A and B 
D) neither A nor B

Question 9

What is the function of the ignition coil(s)?

Accepted Answer

The ignition coil generates the electric

Question 10

Which component in the cooling system raises the boiling point of the coolant?

Accepted Answer

A) thermostat 
B) radiator 
C) water pump 
D) pressure cap 
A) thermostat 
B) radiator 
C) water pump 
D) pressure cap

Exam 4: Automotive Systems

Although the exact proper time varies with engine design, ignition must occur_____.

A RWD vehicle that is equipped with independent rear suspension has a rear differential and drive axle shafts similar to a FWD vehicle.

Engine power is transferred to an automatic transmission through a ______.

Which component is located in the vehicle's exhaust system?

Steering systems are being discussed. Technician A says most passenger cars use a recirculating ball-type mechanism. Technician B says most pickup trucks and SUVs use a rack-and-pinion mechanism. Who is correct?

Technician A says a four-wheel drive vehicle uses a transfer case. Technician B says an all wheel drive [AWD] vehicle has a center differential. Who is correct?

Technician A says power brake systems use a vacuum booster to increase the force applied to the master cylinder. Technician B says power brake systems use hydraulic pressure from the power steering pump to increase the force applied to the master cylinder. Who is correct?

What is the function of the ignition coil(s)?

Which component in the cooling system raises the boiling point of the coolant?

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