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Alabama CDL Class A Permit Practice Test
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Question
1
of 10
QUESTION 1 / 10
In emergency stab braking, what is the correct sequence of actions?
Choose one answer below.
A
Brake as hard as you can, release when the wheels lock, reapply when the wheels start rolling
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B
Brake gently, then coast
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C
Pump the brakes repeatedly
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D
Hold the brakes in until the vehicle stops
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QUESTION 2 / 10
The low air pressure warning is a signal of which condition?
Choose one answer below.
A
Low air pressure in the system
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B
High air pressure in the system
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C
Low fuel level
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D
Low coolant level
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QUESTION 3 / 10
What does the bridge formula do when axles are placed close together?
Choose one answer below.
A
It permits more weight for the involved axles
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B
It permits less maximum axle weight for axles that are close together
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C
It has no effect on axle weight
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D
It only applies to steer axles
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QUESTION 4 / 10
In a well-maintained air brake system, at what pressure should the air compressor start pumping?
Choose one answer below.
A
60 psi
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B
100 psi
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C
80 psi
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D
120 psi
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QUESTION 5 / 10
Which statement about brakes is true?
Choose one answer below.
A
Heavier or faster vehicles require more heat to stop
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B
Brakes generate less heat when heavy
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C
Heat is not a factor in stopping
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D
Brakes always stay cool
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QUESTION 6 / 10
If a dual air system has one system low on pressure, what is a likely braking outcome?
Choose one answer below.
A
All four wheels will brake with equal efficiency
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B
Either the front or rear brakes will not be operating fully
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C
Emergency brakes will automatically engage
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D
Brakes will apply with maximum force
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QUESTION 7 / 10
Why should you limit the use of your horn?
Choose one answer below.
A
It can startle other drivers.
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B
It wastes fuel.
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C
It is illegal to use horns.
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D
It has no effect on safety.
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QUESTION 8 / 10
If you encounter an aggressive driver, the safest first action is to
Choose one answer below.
A
Keep your speed and block them
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B
Make every attempt to get out of their way
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C
Brake suddenly to warn them
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D
Speed up to outpace them
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QUESTION 9 / 10
If the speed limit is 55 mph but traffic is moving at 35 mph, what is the safest speed for you to travel?
Choose one answer below.
A
35 mph
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B
50 mph
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C
55 mph
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D
25 mph
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QUESTION 10 / 10
To know when to shift gears, you should monitor which instrument on the dash?
Choose one answer below.
A
Tachometer
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B
Speedometer
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C
Fuel gauge
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D
Odometer
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