CDL Test Questions With Complete
Solutions
You should know that your breaks are fading when? - CORRECT ANSWER✔✔-You
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have to push harder on the break pedal to control your down hill speed.
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If the spring breaks are on, when should you push the break pedal? - CORRECT
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ANSWER✔✔-Never
Repeatedly pressing and releasing (fanning) the brake pedal may result in? -
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CORRECT ANSWER✔✔-Loss of air pressure
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The driver must be able to see a low pressure warning which comes on before
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pressure in the service air tank falls below...... - CORRECT ANSWER✔✔-60 PSI
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If your truck or bus has dual parking control valves, you can use pressure from a
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separate tank to: - CORRECT ANSWER✔✔-To release the
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|emergency/spring/parking brakes to move a short distance | | | | | |
The brake pedal in a air break system - CORRECT ANSWER✔✔-Controls the air
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pressure applied to put on the brakes.
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, To check the free play of manual slack adjusters of S-Cam brakes, you should -
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CORRECT ANSWER✔✔-Park on level ground, chock the wheels, release the
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parking brakes, and pull on the slack adjusters.
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Parking or emergency brakes of trucks and buses can be legally held on by _____
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pressure. - CORRECT ANSWER✔✔-Spring | | |
Emergency stab braking is when you: - CORRECT ANSWER✔✔-Brake as hard as
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you can, release the brakes when the wheels lock, put on the brakes again when
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the wheels start rolling
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The most common type of foundation brake found on heavy vehicles is the -
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CORRECT ANSWER✔✔-S-Cam |
If your truck has a dual air system and one of the systems is low on pressure: -
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CORRECT ANSWER✔✔-Either the front or rear brakes will not be fully operational
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The most important thing to do when a low pressure warning light comes on is to
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- CORRECT ANSWER✔✔-Stop and safely park as soon as possible
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With air brake equipped vehicles, the parking brakes should be used - CORRECT
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ANSWER✔✔-Any time the vehicle is parked. | | | | |
The air compressor governor controls - CORRECT ANSWER✔✔-When air is
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pumped into the air tanks. | | | |
Solutions
You should know that your breaks are fading when? - CORRECT ANSWER✔✔-You
| | | | | | | | | | | |
have to push harder on the break pedal to control your down hill speed.
| | | | | | | | | | | | |
If the spring breaks are on, when should you push the break pedal? - CORRECT
| | | | | | | | | | | | | | |
ANSWER✔✔-Never
Repeatedly pressing and releasing (fanning) the brake pedal may result in? -
| | | | | | | | | | | |
CORRECT ANSWER✔✔-Loss of air pressure
| | | |
The driver must be able to see a low pressure warning which comes on before
| | | | | | | | | | | | | | |
pressure in the service air tank falls below...... - CORRECT ANSWER✔✔-60 PSI
| | | | | | | | | | |
If your truck or bus has dual parking control valves, you can use pressure from a
| | | | | | | | | | | | | | | |
separate tank to: - CORRECT ANSWER✔✔-To release the
| | | | | | |
|emergency/spring/parking brakes to move a short distance | | | | | |
The brake pedal in a air break system - CORRECT ANSWER✔✔-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 -
| | | | | | | | | | | | | | |
CORRECT ANSWER✔✔-Park on level ground, chock the wheels, release the
| | | | | | | | | |
parking brakes, and pull on the slack adjusters.
| | | | | | |
Parking or emergency brakes of trucks and buses can be legally held on by _____
| | | | | | | | | | | | | | |
pressure. - CORRECT ANSWER✔✔-Spring | | |
Emergency stab braking is when you: - CORRECT ANSWER✔✔-Brake as hard as
| | | | | | | | | | | |
you can, release the brakes when the wheels lock, put on the brakes again when
| | | | | | | | | | | | | | |
the wheels start rolling
| | |
The most common type of foundation brake found on heavy vehicles is the -
| | | | | | | | | | | | | |
CORRECT ANSWER✔✔-S-Cam |
If your truck has a dual air system and one of the systems is low on pressure: -
| | | | | | | | | | | | | | | | | |
CORRECT ANSWER✔✔-Either the front or rear brakes will not be fully operational
| | | | | | | | | | |
The most important thing to do when a low pressure warning light comes on is to
| | | | | | | | | | | | | | |
- CORRECT ANSWER✔✔-Stop and safely park as soon as possible
| | | | | | | | | |
With air brake equipped vehicles, the parking brakes should be used - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-Any time the vehicle is parked. | | | | |
The air compressor governor controls - CORRECT ANSWER✔✔-When air is
| | | | | | | | | |
pumped into the air tanks. | | | |
