CDL Air Brakes Practice Test - Utah
16.
Before starting down a hill, you should:
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slow down and shift to a lower gear.
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look for an escape route.
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release the accelerator and shift to Neutral at the same time.
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apply the brakes hard.
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17.
ABS helps you:
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steer gently and smoothly while you are braking.
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avoid wheel lock up and maintain control of your vehicle when you brake.
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increase your normal braking capability.
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stop much faster.
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18.
Excessive use of the service brakes results in overheating and leads to:
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brake fade.
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low air pressure.
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poor traction.
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reduction of the brake drums.
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19.
To prevent rollover, you should:
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drive slowly around on ramps and off ramps.
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keep the cargo as close to the ground as possible.
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go slowly around turns.
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All of the above.
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20.
The alcohol evaporator:
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helps to reduce the risk of ice in air brake valves and other parts in cold weather.
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eliminates the need for daily air tank drainage.
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ensures the coolant temperature gauge remains in the normal range.
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shows how much air pressure you are applying to the brakes.
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