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Retracted.
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|
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Fully raised.
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|
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More worn on the passenger's side than on the driver's side.
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|
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Well lit.
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District Of Columbia CDL Permit Test - Knowledge Test Class B
(From the 2020 District Of Columbia CDL driver handbook)
| Number of questions: | 50 |
| Passing score: | 40 |
Directions:
This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a trailer not to exceed 10,000 pounds gross vehicle weight rating, or a vehicle designed to transport 24 or more people (including the driver). To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has four possible answer choices. Test questions come from the Washington D.C. Commercial Driver License Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving.. Endorsements that may be used with a Class B CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
Passing grade —
10 or fewer errors
advertising
1.
During a vehicle inspection, ensure that the landing gear is:
2.
If you are turning left and there are two available left turn lanes, which lane should you choose?
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The left lane
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The right lane
|
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Either lane
|
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Trucks should not turn where there are two left turn lanes.
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3.
A header board is used to:
|
Allow a driver to see behind them.
|
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Protect the driver from moving cargo.
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Provide extra storage capacity.
|
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Prevent the driver from leaving the tractor.
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4.
When a tire goes flat, you may hear a loud bang. The truck will be affected:
|
Immediately.
|
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After a short delay.
|
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Only if the damaged tire is near the front of the truck.
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Only if the truck is hauling a load.
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5.
A cargo cover that flaps while you are driving:
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Is acceptable.
|
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Allows air to keep the cargo cool.
|
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Can tear away.
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Can attract birds.
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6.
If confronted by an aggressive driver, you should:
|
Make eye contact with the driver.
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React to the driver's gestures.
|
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Challenge the driver to a road race.
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Ignore the driver, if possible.
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7.
When changing lanes, you should:
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Move quickly, before other vehicles can enter into the lane.
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Move slowly in case another vehicle is in the lane.
|
|
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Not use a turn signal.
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|
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Avoid the right lane.
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