FLORIDA CDL PRACTICE TEST - GENERAL KNOWLEDGE
41.
When the road is very slippery, you should:
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use the parking brake instead of the service brake.
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downshift to stop.
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apply the brakes often to keep the linings dry.
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stop at the first safe place.
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42.
When driving on a slippery surface, you should do all of the following except:
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keep a shorter following distance.
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watch far enough ahead to keep a steady speed.
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not pass slower vehicles unless necessary.
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adjust braking to conditions.
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43.
You should always be looking for hazards to have time to plan a way out of any emergency. This is part of being a:
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modular driver.
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reasonable driver.
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defensive driver.
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good enough driver.
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44.
The Gross Combination Weight (GCW) is:
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the total weight of a single vehicle including its load.
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the weight of the vehicle, trailer, and cargo.
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the weight of the vehicle and its trailer(s).
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the weight of the trailer and cargo.
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45.
Empty trucks have the best braking. True or False?
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It depends on the truck.
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True.
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False.
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It depends on the cargo.
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46.
Your chances of avoiding an accident depend upon how well you take action. When you are about to hit an obstacle ahead, you should remember that:
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stopping is always the safest thing to do in an emergency.
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leaving the road is more risky than hitting another vehicle.
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you can almost always turn to miss an obstacle more quickly than you can stop.
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All of the above.
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47.
To prevent drowsiness and maintain alertness, adults need ______ hours of sleep.
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7-8 hours
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3-4 hours
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11-12 hours
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5-6 hours
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48.
The _______ applies and releases the brakes when you use the brake pedal during normal driving.
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parking brake system
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trailer brake system
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emergency brake system
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service brake system
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49.
The tractor protection valve:
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keeps your wheels from locking up when you brake hard.
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keeps air in the brake system should the trailer develop a bad leak.
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prevents the trailer from being accidentally released.
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keeps air from going out if the air compressor develops a leak.
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50.
Which of the following statements about tire failure is true?
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If the steering feels heavy, it may be a sign one of the rear tires has failed.
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Any time you hear a tire blow, you would be safest to assume it is not yours.
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It can take a few seconds for your vehicle to react, and you might think it was some other vehicle.
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All of the above.
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