TEXAS CDL AIR BRAKES, CDL AIR BRAKES 2 NEWEST
2024 ACTUL EXAM 200 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A
To check the slack adjusters on s-can brakes, you should ... -
ANSWER--Wear gloves and pull hard on each adjuster.
To test low pressure warning... - ANSWER--1. Shut of engine.
2. Turn on electrical power.
3. Step on and off brake pedal to reduce to 60 psi.
With dual air systems, the air pressure should build... - ANSWER-
-From 85 to 100 psi in 45 seconds n
A fully charged air system typically has ____ psi. - ANSWER--125
To test air leakage rate you should... - ANSWER--Turn off engine
and release the service brake.
When testing air leakage rates for combination vehicles(before
applying the brake pedal), air brake systems should not lose air
faster than... - ANSWER--3 psi per minute.
To check the air compressor governor cut in and cut out
pressures... - ANSWER--1. Run the engine at a fast idle.
2. Step in and off the brake to reduce tank pressure.
, TEXAS CDL AIR BRAKES, CDL AIR BRAKES 2 NEWEST
2024 ACTUL EXAM 200 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A
3. Monitor the air pressure gauge.
Brake drums: - ANSWER--1. Are bolted to the wheels.
2. Are located at each end of the vehicles axles.
3. Hold the brake shoes and linings.
When he safety valves releases air it means that... - ANSWER--1.
The pressure has exceeded 150 psi.
2. Too much air pressure is in the air compressor.
3. Something is wrong, and that you should have it checked by a
mechanic.
Maximum leakage rates? - ANSWER--Single vehicle less than 2
psi per minute. Combination vehicle less than 3 psi per minute.
The service brake system... - ANSWER--Applies and releases the
brakes by issuing the brake pedal under normal driving.
Your vehicle's single brake system needs adjustment if... -
ANSWER--The compressor cuts out between 70-90 psi.
, TEXAS CDL AIR BRAKES, CDL AIR BRAKES 2 NEWEST
2024 ACTUL EXAM 200 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A
The safety valve in the air compressor tank is set to open at? -
ANSWER--150 psi.
Compressed air is stored... - ANSWER--In the storage tank.
Repeatedly pressing and releasing(fanning) brake pedal may
result in? - ANSWER--A loss of brake air pressure.
If you are driving down a steep downgrade and you have reached
your safe 40 mph, you would apply the service breaks until your
speed drops to___mph. - ANSWER--35
If the spring breaks are on when should you push the brake
pedal? - ANSWER--Never
The air compressor governor controls? - ANSWER--When air is
pumped into the tanks.
If the truck or bus has dual air parking valves you can use
pressure from the separate tank to? - ANSWER--Release the
spring emergency/parking brake to move a shorter distance.
, TEXAS CDL AIR BRAKES, CDL AIR BRAKES 2 NEWEST
2024 ACTUL EXAM 200 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A
If your truck has properly function to air brake system minimal
size of air tanks to air pressure should bill from 85 to 100 pairs
with then___seconds? - ANSWER--45
Where is it OK to leave your truck unattended without applying
the parking break or choking the wheels? - ANSWER--Never
Total stopping dissing for airbrakes is longer than that for
hydraulic brakes due to_____ distance? - ANSWER--Break lag
The proper method of breaking one going down a long and or
steep grade after selecting the proper gear is to break until the
speed is about_____ Miles per hour below your safe speed then
release your brakes? - ANSWER--5
During normal driving spring break are usually held back by? -
ANSWER--Air pressure.
Air breaking takes more time than hydraulics breaking because
air? - ANSWER--Take more time to flow through the line than
hydraulic fluid.
Hey supply pressure gauge tells you how much air is in the? -
ANSWER--Air tanks
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