TEXAS CDL AIR BRAKES EXAM

TEXAS CDL AIR BRAKES EXAM, PRACTICE EXAM AND
STUDY GUIDE NEWEST 2024 ACTUAL EXAM 250
QUESTIONS AND CORRECT DETAILED ANSWERS WITH
(VERIFIED ANSWERS) |ALREADY GRADED A
What are the components of a Air Brake System? - ANSWER: Service Brake, Parking
Brake, Emergency Brake

What is the function of Air Compressor? - ANSWER: Pumps air into the air storage
tanks

What does Air Compressor Governer do? - ANSWER: Controls when the air
compressor will pump into air the storage tank

What is Air Storage Tank for? - ANSWER: Tank to hold compressed air

Why is a Air Tank Drain necessary? - ANSWER: Component used to drain the water
or oil from the air storage tanks

What is the use of Alcohol Evaporator? - ANSWER: To reduce icing in air brake valves
and other parts

What is the fuction of Safety Relief Valve (Safety Valve) - ANSWER: To protect the
tank and the rest of the system from too much pressure

What is a Break pedal? - ANSWER: Foot pedal to apply air pressure to service brakes

What does a Supply Pressure Gauge do? - ANSWER: Shows amount of pressure in
the air tanks

What is the fuction of an Application Pressure Gauge? - ANSWER: Shows the amount
of pressure applied to the brakes

Why does Stop light switch turn on? - ANSWER: Turns on the brake lights brake
pedal used thus warns drivers behind

What is a Spring Break? - ANSWER: Emergency break that comes on when service
breaks fail

When is Parking Brakes applied? - ANSWER: when vehicle is parked

What is the role of ABS (Antilock Braking System)? - ANSWER: Vehicles built after
March 1 1994, ABS prevents wheels lock-up during hard brake applications