NEBRASKA CDL PRACTICE TEST - GENERAL KNOWLEDGE
41.
Hydroplaning:
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only occurs at speeds above 55 mph.
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is more likely to occur when tire tread is in good condition.
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is more likely when tire pressure is low.
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causes your vehicle to go faster.
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42.
You should signal your intention to turn at least ____ before turning or changing lanes.
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50 feet
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250 feet
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75 feet
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100 feet
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43.
You can determine if your vehicle is equipped with ABS (anti-lock braking system) by:
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checking for a yellow ABS malfunction lamp on the instrument panel.
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looking for wheel speed sensor wires coming from the rear of your brakes.
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checking if your vehicle was manufactured after March 1, 1998.
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All of the above.
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44.
Driving without a CDL, or with a suspended CDL, incurs:
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prison time.
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a large fine.
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a civil penalty or, in aggravated cases, criminal penalties.
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All of the above.
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45.
Name two situations in which it may not be safe to operate your vehicle at legal maximum weights.
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During bad weather or in mountains
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Over bridges or through tunnels
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In heavy traffic or at night
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All of the above.
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46.
If you are being tailgated, you should:
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avoid quick changes.
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increase your following distance.
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avoid tricks like turning on your taillights or flashing your brake lights.
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All of the above.
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47.
The one-way check valve:
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keeps air from going out if the air compressor develops a leak.
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supplies air to the trailer air tanks.
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keeps your wheels from locking up when you brake hard.
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keeps the axles in place.
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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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Lights coming on
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Wheels starting to turn
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Passenger door opening
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Driver's door opening
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49.
Which of the following is true about curved mirrors?
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In a curved mirror things seem closer than they really are.
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They are illegal in most States.
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In a curved mirror everything appears smaller than it would if you were looking at it directly.
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None of the above.
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50.
Wheel and rim problems include:
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rust around wheel nuts.
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missing clamps.
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mismatched lock rings.
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All of the above.
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