AIR BRAKES CDL PRACTICE TEST - MARYLAND

Question

6. In a vehicle with a dual air brake system:

each system has its own air tanks.
one system supplies air to the trailer.
both systems typically operate the regular brakes on the rear axle.
All of the above.

Answer 1

each system has its own air tanks.

Answer 2

one system supplies air to the trailer.

Answer 3

both systems typically operate the regular brakes on the rear axle.

Answer 4

All of the above.

Answer 5

Each brake system has its own air tanks, hoses and lines.

Answer 6

most heavy-duty vehicles use dual air brake systems.

Answer 7

A dual air brake system has 2 separate air brake systems.

Answer 8

All of the above.

Answer 9

the radiator cap.

Answer 10

carbon monoxide.

Answer 11

water and oil.

Answer 12

make every attempt to get out of their way.

Answer 13

avoid eye contact.

Answer 14

call the police, if you have a cell phone and can do it safely.

Answer 15

All of the above.

Answer 16

only with the rear wheels.

Answer 17

only with the right wheels.

Answer 18

at each wheel.

Answer 19

only with the front wheels.