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New Hampshire CDL Permit Test - Combination

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 New Hampshire CDL Driver's Guide. 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 have 30 minutes to correctly answer a minimum of 16 questions. The Combination test is not a replacement for the Double/Triple endorsement test.
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4 or fewer errors
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1.
A lightly-loaded combination vehicle will stop more slowly than a fully-loaded vehicle because:
The stiff suspension springs and strong brakes will have high traction.
The stiff suspension springs and strong brakes will have low traction.
The brakes only operate when a trailer reaches a minimum weight.
The suspension springs only operate when a trailer reaches a minimum weight.
2.
Which of the following types of vehicles is most prone to the “crack-the-whip" effect?
An automobile
A three-axle tractor
A bobtail tractor
A triple combination
3.
A trailer that is too high:
May not couple correctly.
Will couple securely.
Is not an issue.
4.
To lower the risk of a rollover, you should:
Load the cargo as far forward as possible.
Load the cargo as far back as possible.
Load the cargo as low as possible.
Stack the cargo as high as possible.
5.
If unsure if a trailer is equipped with ABS, you can:
Check under the trailer for wheel speed sensors coming from the back of the brakes.
Try driving on a slippery surface and see if ABS kicks in.
Assume it does have ABS.
Remove a tire and look for the ABS sensor on the axle.
6.
To prevent a rollover, cargo should be:
Loaded with most weight on the driver’s side of the trailer.
Placed near the rear of the trailer.
Spread out in the trailer.
7.
Trailers manufactured after ____ must be equipped with Anti-Lock Braking Systems (ABS).
1943
1998
2009
2015
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