2026 New Hampshire DMV Combination Class A Test 1 (20 Questions And Complete Answers)
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To prevent a rollover, cargo should be:
1. Loaded with most weight on the driver’s side of the trailer.
2. Placed near the rear of the trailer.
3. Spread out in the trailer.
1. Loaded with most weight on the driver’s side of the trailer.
2. Placed near the rear of the trailer.
3. Spread out in the trailer.
Spread out in the trailer.
A trailer that is too high:
1. May not couple correctly.
2. Will couple securely.
3. Is not an issue.
1. May not couple correctly.
2. Will couple securely.
3. Is not an issue.
May not couple correctly.
Trailers manufactured after ____ must be equipped with Anti-Lock Braking Systems (ABS).
1. 1943
2. 1998
3. 2009
4. 2015
1. 1943
2. 1998
3. 2009
4. 2015
1998
Which of the following types of vehicles is most prone to the “crack-the-whip" effect?
1. An automobile
2. A three-axle tractor
3. A bobtail tractor
4. A triple combination
1. An automobile
2. A three-axle tractor
3. A bobtail tractor
4. A triple combination
A triple combination
If unsure if a trailer is equipped with ABS, you can:
1. Check under the trailer for wheel speed sensors coming from the back of the brakes.
2. Try driving on a slippery surface and see if ABS kicks in.
3. Assume it does have ABS.
4. Remove a tire and look for the ABS sensor on the axle.
1. Check under the trailer for wheel speed sensors coming from the back of the brakes.
2. Try driving on a slippery surface and see if ABS kicks in.
3. Assume it does have ABS.
4. Remove a tire and look for the ABS sensor on the axle.
Check under the trailer for wheel speed sensors coming from the back of the brakes.
A lightly-loaded combination vehicle will stop more slowly than a fully-loaded vehicle because:
1. The stiff suspension springs and strong brakes will have high traction.
2. The stiff suspension springs and strong brakes will have low traction.
3. The brakes only operate when a trailer reaches a minimum weight.
4. The suspension springs only operate when a trailer reaches a minimum weight.
1. The stiff suspension springs and strong brakes will have high traction.
2. The stiff suspension springs and strong brakes will have low traction.
3. The brakes only operate when a trailer reaches a minimum weight.
4. The suspension springs only operate when a trailer reaches a minimum weight.
The stiff suspension springs and strong brakes will have low traction.
To lower the risk of a rollover, you should:
1. Load the cargo as far forward as possible.
2. Load the cargo as far back as possible.
3. Load the cargo as low as possible.
4. Stack the cargo as high as possible.
1. Load the cargo as far forward as possible.
2. Load the cargo as far back as possible.
3. Load the cargo as low as possible.
4. Stack the cargo as high as possible.
Load the cargo as low as possible.
What does an Anti-Lock Braking System (ABS) do?
1. It allows a vehicle's wheels to lock up.
2. It prevents a vehicle's wheels from locking up.
3. It makes turning a vehicle easier.
1. It allows a vehicle's wheels to lock up.
2. It prevents a vehicle's wheels from locking up.
3. It makes turning a vehicle easier.
It prevents a vehicle's wheels from locking up.
If color-coded, which color is used to identify service lines?
1. White
2. Yellow
3. Blue
1. White
2. Yellow
3. Blue
Blue
What is another name for the service line???
1. The control line
2. The utility line
3. The open line
4. The parallel line
1. The control line
2. The utility line
3. The open line
4. The parallel line
The control line
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