CDL PRACTICE TEST - GENERAL KNOWLEDGE (UTAH)
41.
Engine oil pressure should come up to normal within _________ after the engine is started.
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seconds
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ten minutes
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five minutes
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two minutes
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42.
Strong winds can make it difficult to stay in your lane especially when driving:
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heavier vehicles.
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lighter vehicles.
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vehicles with ABS.
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flatbed trailers.
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43.
When using a turn signal, which of the following is NOT true?
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You should signal continuously.
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You should signal early.
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You should cancel the signal before completing the turn.
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You should turn off your turn signal after you've turned.
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44.
You must have at least ________ tread depth in every major groove on front tires.
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2/32 inch
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1/2 inch
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1/16 inch
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4/32 inch
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45.
For an electrical equipment fire or a gasoline or oil fire, use:
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a type A:B:C or B:C fire extinguisher.
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a type D fire extinguisher only.
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a type B:C fire extinguisher only.
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water.
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46.
How many glasses of wine can you drink without increasing the chances of a crash?
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It depends on your weight.
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None.
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One.
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It depends on your age.
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47.
Before unloading explosive materials, you should:
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keep the engine running.
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connect heater power sources.
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turn your engine off.
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use hooks or other metal tools if possible.
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48.
When passing a parked vehicle, which of the following is the only thing you do NOT need to watch out for?
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Wheels starting to turn
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Passenger door opening
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Lights coming on
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Driver's door opening
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49.
When driving trucks with trailers, drivers should:
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push the brake pedal to the floor when braking.
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avoid making sudden movements with the steering wheel.
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make quick lane changes.
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decrease their following distance.
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50.
When should you turn the retarder off?
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when the road is slippery.
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when the cargo is heavy.
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when the cargo is prone to shifting.
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when your vehicle has a high center of gravity.
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