CDL GENERAL KNOWLEDGE TEST (WYOMING) - PRACTICE TEST
11.
The wheels of a large combination vehicle are more likely to lock up when:
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the trailer has new tires.
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the vehicle is heavily loaded.
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you are traveling in very hot weather.
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the vehicle is lightly loaded.
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12.
Before unloading explosive materials, you should:
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use hooks or other metal tools if possible.
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keep the engine running.
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turn your engine off.
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connect heater power sources.
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13.
_____ is a thin layer of ice that forms on road surfaces.
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Black ice
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White ice
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Grey ice
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Blue ice
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14.
Name two causes of tire fires.
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Driver smoking and poor ventilation.
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Excessive braking
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Under-inflated tires and dual tires that touch
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Mismatched tires and road debris.
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15.
Before driving a vehicle with a dual brake brake system, the driver should:
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wait at least 5 minutes before driving.
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pump the brake pedal 10 times to build pressure.
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allow time for the air compressor to build up a minimum of 100 psi pressure in both the primary and secondary systems.
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wait at least 10 minutes before driving.
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16.
If you cannot see well enough while driving in cold weather, you should:
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reduce your speed and make sure
the windshield washer works.
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stop safely and fix the problem.
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turn your defroster on and slow down until you can see again.
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keep driving and check that the wiper blades press against the window hard enough to wipe the windshield clean.
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17.
If you must stop on a one-way or divided highway, you should place warning devices _______ toward the approaching traffic.
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3, 15 and 45 feet
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5, 25 and 50 feet
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10, 100 and 200 feet
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5, 50 and 500 feet
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18.
Enough tread is especially important in winter conditions. You need at least ________ tread depth on steering axle tires.
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6/24 inch
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4/32 inch
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2/8 inch
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8/32 inch
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19.
Total stopping distance equals:
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Perception distance + braking distance
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Braking distance + viewing distance
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Perception distance + reaction distance + braking distance
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Reaction distance - following distance + braking distance
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20.
Containerized loads are used:
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when transporting explosives.
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when transporting liquids.
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when the cargo has been or will be carried by rail or ship.
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when the cargo exceeds the weight limit.
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