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CDL Permit- Air Brakes

Authored by Kelly King

Life Skills

12th Grade

CDL Permit- Air Brakes
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66 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the three types of braking systems mentioned in Section 5 of the Commercial Driver's License Manual?

Service brake, parking brake, and emergency brake

Hydraulic brake, disc brake, and drum brake

Antilock brake, air brake, and electric brake

Manual brake, automatic brake, and stability control brake

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of the air compressor governor in an air brake system?

It controls the speed of the air compressor.

It automatically drains the air tanks.

It stops the compressor from pumping air when the tank pressure is too high and allows it to start again when the pressure falls.

It lubricates the air compressor.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of air storage tanks in an air brake system?

To store hydraulic fluid for the brake system.

To hold compressed air used to operate the brakes.

To collect water and oil from the compressed air.

To cool down the air before it enters the brake system.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can air tank drains be manually operated according to the manual?

By using an electric heating device.

By turning a quarter turn or by pulling a cable.

By pressing a button on the dashboard.

By activating the emergency brake.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two types of air tank drains mentioned in the manual?

Manual and hydraulic

Electric and pneumatic

Automatic and manual

Digital and analog

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of automatic drain valves in air tanks?

To prevent the air compressor from overheating.

To automatically expel water and oil from the air tanks.

To regulate the air pressure within the tanks.

To manually drain the air tanks at the end of each day.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of an alcohol evaporator in an air brake system?

To increase the air pressure in the system

To put alcohol into the air system to reduce the risk of ice in air brake valves during cold weather

To clean the air system

To reduce the amount of air used by the system

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