|
Drive more slowly than other commercial motor vehicles.
|
|
|
Are heavier than other commercial motor vehicles.
|
|
|
Need more space to turn and stop than other commercial motor vehicles.
|
Michigan CDL Permit Test - Combination
(From the 2021 Michigan CDL driver handbook)
| Number of questions: | 20 |
| Passing score: | 16 |
Directions:
All applicants who are applying for a Class A CDL should be prepared to take the Combination test. This test covers information found in Section 6 of the Michigan Commercial Driver License Manual. Section 6 provides the information needed to safely operate tractor-trailers, doubles, triples, and straight trucks with trailers. The test is made up of 20 multiple-choice questions, and applicants will need to correctly answer a minimum of 16 questions to pass. The Combination test is not a replacement for the Double/Triple endorsement test.
Passing grade —
4 or fewer errors
advertising
1.
Combination vehicles need extra space on the road because they:
2.
If an air supply control is in its "emergency" position:
|
The vehicle will increase speed.
|
|
|
The trailer emergency brakes will be applied.
|
|
|
The air supply to the trailer will increase.
|
3.
Keeping cargo low can:
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Prevent a rollover.
|
|
|
Help you drive faster.
|
|
|
Make turns more dangerous.
|
4.
In a double or triple combination, the ____ trailer should be directly behind the cab.
|
Lightest
|
|
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Heaviest
|
|
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Smallest
|
5.
More than half of all accident-related truck driver deaths are caused by:
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Rollovers.
|
|
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Slippery roads.
|
|
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Other drivers.
|
6.
How much space should be between the upper and lower fifth wheel?
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About five inches of space
|
|
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A maximum of two inches of space
|
|
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No space
|
7.
The service air line is often controlled by the foot brake and is attached to the ____ valves.
|
Relay
|
|
|
Supply
|
|
|
Emergency
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