DE CDL COMBINATION TEST - PRACTICE TEST
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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Delaware 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 Delaware CDL Manual. Take this practice test now to prepare for the actual DE CDL combination test!
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1.
When backing a tractor under a trailer, you should:
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always use the lowest reverse gear.
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stop before when the kingpin is locked into the fifth wheel.
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back at an angle.
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All of the above.
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2.
When you use your mirrors while driving on the road, you should:
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stare for a long time at the mirror.
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check them quickly.
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avoid checking them regularly.
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only use the driver's side mirror.
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3.
Combination vehicles _________ than single CMVs.
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require more driving skill
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are much easier to drive
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are safer in bad weather
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All of the above.
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4.
If driving a heavy vehicle, you should:
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try to pass other vehicles going uphill.
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avoid braking.
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stay in the left lane.
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stay in the right lane.
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5.
If an item placed on a flatbed trailer is 7 feet long, it should have __ tie-downs.
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7
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1
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3
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2
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6.
The service line is also called:
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carrier line or control line.
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control line or signal line.
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signal line or air line.
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pressure line or signal line.
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7.
Do NOT use the parking brakes:
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to test that they work.
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if the brakes are very hot.
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when you leave your vehicle.
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when you park for less than two hours.
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8.
When backing a trailer, you should:
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not back up in a straight line.
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avoid braking.
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turn the steering wheel toward the direction you want to go.
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pull-up frequently to reposition the vehicle.
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9.
Empty trucks have the best braking. True or False?
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It depends on the cargo.
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True.
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False.
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It depends on the truck.
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10.
What should you do if your vehicle gets stuck on the railroad tracks?
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Get out of the vehicle and away from the tracks as quickly as possible, then call 911.
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Stay inside the vehicle and call 911.
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Call 911, then get out of the vehicle and away from the tracks.
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Turn on the emergency flashers and call 911.
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DE CDL Combination Test
| Number of questions: | 20 |
| Correct answers to pass: | 16 |
| Passing score: | 80% |
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