CDL COMBINATION PRACTICE TEST (GA)
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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Georgia CDL combination test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The test covers the combination vehicles section of the Georgia CDL Manual. Take this practice test now to prepare for the actual GA CDL combination test!
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1.
The tractor protection valve:
keeps air in the tractor brake system should the trailer break away or develop a bad leak.
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works the trailer brakes.
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supplies air to the trailer air tanks.
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controls the emergency brakes on combination vehicles.
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2.
The heavier the vehicle:
the less work the brakes must do to stop it.
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the more work the brakes must do to stop it.
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the higher the center of gravity will be.
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None of the above.
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3.
A vehicle inspection should be done in the same order each time:
because the report must be written in that order.
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so you are less likely to forget something.
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because it's much quicker.
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because it is required by law.
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4.
Having ABS on only the trailer:
is very dangerous.
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makes the trailer more likely to swing out.
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still gives you more control over your vehicle during braking.
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makes the trailer more likely to roll over.
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5.
Which of the following is NOT a warning sign of fatigue?
Frequent blinking
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Heavy eyelids
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Driving at the speed of the traffic
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Trouble remembering the last few miles driven
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6.
When connecting the glad hands, you should press the two seals together with the couplers at a ______ angle to each other.
90 degree
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30 degree
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180 degree
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45 degree
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7.
Which of the following will NOT help you prevent rollover?
Driving slowly around turns.
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Keeping the cargo as close to the ground as possible.
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Using the controlled braking method.
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All of the above.
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8.
Most truck driver deaths in crashes result from:
off-tracking.
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following too closely.
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truck rollovers.
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driving side-by-side with another truck.
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9.
The only way to stop a front-wheel skid is to:
countersteer.
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let the vehicle slow down.
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supply more power to the drive wheels.
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All of the above.
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10.
By pushing the trailer air supply control knob in, you:
supply the trailer with air.
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supply the tires with air.
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shut the air off and put on the trailer emergency brakes.
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keeps air in the tractor or truck brake system.
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GA CDL Combination Test
Number of questions: | 20 |
Correct answers to pass: | 16 |
Passing score: | 80% |
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