CDL AIR BRAKES PRACTICE TEST - NEW MEXICO
11.
If you are driving a 30-foot vehicle at 55 mph, you should leave at least _____ between you and the vehicle ahead.
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4 seconds
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3 seconds
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2 seconds
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12.
What is an important thing to remember about emergency braking?
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You should never use stab braking.
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Pushing down on the brake pedal as hard as you can will only keep the wheels locked up and cause a skid.
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Your natural response (hitting the brakes) is never the right solution.
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13.
You can be sure that your vehicle is equipped with ABS:
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if the vehicle was manufactured after 1998.
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if the vehicle was manufactured after 2000.
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if your company requires the use of antilock brakes in its policies.
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14.
The stop light switch:
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turns on the brake lights when you put on the air brakes.
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warns you when the air supply pressure drops below 55 psi.
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tells you when you need to use your parking brake instead of the service brake.
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15.
With the air pressure built up to governor cutoff, the maximum leakage rates per minute are ___ psi for single vehicles and ___ psi for a combination of 2 vehicles.
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5; 6
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3; 2
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3; 4
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