Question

Chocking the wheels, releasing the parking brake when there is enough pressure to do so, shutting the engine off, and then stepping on and off the brake pedal will test what emergency mechanism?

Accepted Answer

the automatic activation of spring brakes

Answer

the low pressure warning signal

Answer

the air compressor governor cut-in and cut-out pressures

Answer

the amount of pressure in the air brake system

Question 37 - Air Brakes Test Practice Test for the CDL