CALIFORNIA CDL AIR BRAKES PRACTICE TEST
11.
After starting the engine, oil pressure should rise to a normal level:
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within seconds.
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within 6 minutes.
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within 2 minutes.
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12.
The safety valve is usually set to open at:
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125 psi
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150 psi
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200 psi
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13.
Excessive use of the service brakes results in overheating and leads to:
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poor traction.
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brake fade.
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reduction of the brake drums.
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14.
If a vehicle is equipped with ABS, when you start the engine:
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the ABS indicator light on the dash should come on and then turn off.
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the spring brakes will come on.
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the wheels will lock up.
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15.
Brakes out of adjustment can cause the other brakes to:
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overheat and fade.
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last longer.
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apply more braking power.
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