CDL AIR BRAKES PRACTICE TEST - CONNECTICUT
21.
The most common type of brake is the:
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B-cam disc brake
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G-cam disc brake
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S-cam drum brake
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R-cam drum brake
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22.
To perform an applied leakage test, the vehicle’s air pressure should be built up to maximum pressure. Check the air gauge to see that the air pressure should drop no more than:
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5 psi for single vehicles and 6 psi for a combination of 2 vehicles.
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3 psi for single vehicles and 4 psi for a combination of 2 vehicles.
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1 psi for single vehicles and 3 psi for a combination of 2 vehicles.
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2 psi for single vehicles and 5 psi for a combination of 2 vehicles.
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23.
If you must stop on a one-way or divided highway, place your warning devices:
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50 feet, 100 feet, and 150 feet toward the approaching traffic.
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10 feet, 100 feet, and 200 feet toward the approaching traffic.
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100 feet, 200 feet, and 300 feet toward the approaching traffic.
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10 feet, 50 feet, and 150 feet toward the approaching traffic.
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24.
When using a fire extinguisher, you should stay:
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at least 10 feet away from the fire.
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at whatever distance you think is safe.
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as close to the fire as possible, without getting burnt.
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as far away from the fire as possible.
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25.
In combination vehicles with air brakes, the trailer air supply control should pop out when the air pressure falls within the range of:
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100 to 120 psi
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50 to 75 psi
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20 to 45 psi
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10 to 20 psi
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