Engine Cooling CDX

Question 1

The outward force that is exerted on a rotating body is known as:

Answer 1

centrifugal force.

Question 2

The part of a vehicle’s cooling system that transfers the heat from the coolant to the outside air is called the:

Answer 2

radiator.

Question 3

Technician A says that electric fans should run continuously to ensure proper engine cooling. Technician B says that a fan is not needed at vehicle speeds above 35 mph. Who is correct?

Answer 3

Technician B

Question 4

Technician A says that on some engines, the timing belt drives the water pump. Technician B says that some cooling fans use hydraulic fluid from the power steering to drive the fan. Who is correct?

Answer 4

Both Technician A and Technician B

Question 5

Surge tanks:

Answer 5

are mounted at the highest point of the cooling system.

Question 6

A solenoid-controlled fan clutch is controlled by:

Answer 6

the vehicle’s power train control module (PCM).

Question 7

Technician A says that the cooling system in a rotary engine circulates coolant through the rotor. Technician B says that on a rotary engine, coolant flows first through the block, and then to the cylinder head(s). Who is correct?

Answer 7

Neither Technician A nor Technician B

Question 8

Technician A says that to check operating temperature, you can use an infrared temperature gun. Technician B says that you can use a scan tool to verify operating temperature. Who is correct?

Answer 8

Both Technician A and Technician B

Question 9

The purpose of vacuum filling the cooling system is to:

Answer 9

remove unwanted air from the system.

Question 10

Technician A says that coolant dripping on the floor in the passenger compartment is an indication of a bad evaporator. Technician B says that in order to remove the heater core, it may be necessary to remove the entire dash assembly. Who is correct?

Answer 10

Technician B