AIR BRAKES PRACTICE TEST - IOWA
6.
What is an important thing to remember about emergency braking?
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You should never use stab braking.
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Your natural response (hitting the brakes) is never the right solution.
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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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7.
If the ABS is not working:
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you still have normal brake functions.
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the vehicle will have no brakes.
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the vehicle will have weak brakes.
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8.
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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3; 4
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3; 2
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5; 6
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9.
To prevent drowsiness you should:
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get adequate sleep before a trip.
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never drive with a passenger.
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schedule trips for the middle of the night.
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10.
If you perform the skills test in a vehicle that is not equipped with air brakes:
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you will be required to take the tank vehicle test.
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you will be required to operate vehicles with air brakes.
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you will be restricted from operating vehicles with air brakes.
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