Texas CDL Air Brakes Test 50 Questions And Answers
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Terms in this set
50
You should know that your brakes are fading when?
You have to push harder on the brake pedal to control your downhill speed
If the spring brakes are on, when should you push the brake pedal?
Never
Repeatedly pressing and releasing (fanning) the brake pedal may result in?
A loss of air pressure
The driver must be able to see a low air pressure warning which comes on before pressure in the service tanks falls below ___ PSI?
60
If your truck or bus has dual parking control valves. You can use pressure f rom a separate tank?
To release the emergency/spring/parking brakes in order to move a short distance
The brake pedal in an air brake system:
Controls the air pressure applied to put on the brakes
To check the free play of manual slack adjusters of s-cam brakes you should?
Park on level ground , chock the wheel, release the parking brake, and pull the slack adjusters
Parking or emergency brakes on trucks or buses can be legally held on by ______ pressure?
Spring
Emergency stab braking is when you?
Brake as hard as you can, release the brakes when the wheels lock up, and then put on the brakes again once the wheels start rolling (repeat if necessary)
The most common type of foundation brake on heavy equipment is?
S-Cam