CDL AIR BRAKES PRACTICE TEST - OHIO
21.
Which of the following is NOT a warning sign of fatigue?
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Frequent blinking
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Heavy eyelids
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Driving at the speed of the traffic
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22.
When driving a 60 foot truck at 35 mph in ideal conditions, you should keep at least _______ of space in front of you.
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6 seconds
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5 seconds
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12 seconds
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23.
If the low air pressure warning light comes on, you should:
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stop immediately.
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call for help.
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continue to drive normally.
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24.
The low pressure warning signal will generally activate when the air pressure falls between:
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80–85 psi.
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85–100 psi.
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55–75 psi.
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25.
You are coming down a long, steep downgrade. Which of the following is a sign that your brakes may have started to fade?
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You have to apply your brakes harder and harder to get the same stopping power.
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The brake pedal feels spongy or goes to the floor.
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You hear a loud "bang".
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