UTAH CDL AIR BRAKES PRACTICE TEST
16.
You are driving a vehicle with air brakes when the low air pressure warning light and buzzer come on. You should:
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activate your hazard lights and drive to the nearest place where you can stop.
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apply the brakes as hard as you can.
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slow down and test your brakes.
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pull off the road and stop immediately.
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17.
A tank endorsement is:
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only required when transporting gases.
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required for both liquids and gases.
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only required when transporting liquids.
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not required when transporting hazardous materials.
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18.
An alcohol evaporator:
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protects the air brake system from too much pressure.
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to hold compressed air.
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used to reduce the chance of the front wheels skidding.
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is used to reduce the risk of ice in air brake valves and other parts during cold weather.
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19.
Tar in the road pavement rising to the road surface in very hot weather:
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is very sticky and will slow down your vehicle.
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causes the road to become very slippery.
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does not affect the road surface or driving conditions.
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might get in your engine.
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20.
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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The brake pedal feels spongy or goes to the floor.
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The steering feels heavy.
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You hear a loud "bang".
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You have to apply your brakes harder and harder to get the same stopping power.
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