2026 Mississippi DMV Combination Class A Test 1 (20 Questions And Complete Answers)
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When traveling more slowly than 40 mph, maintain at least ____ of following distance per every 10 feet of your vehicle.
1. One second
2. Two seconds
3. Three seconds
4. Four seconds
1. One second
2. Two seconds
3. Three seconds
4. Four seconds
One second
If you use the trailer hand brake while your trailer is skidding, it will:
1. Stop the skid.
2. Straighten the trailer.
3. Continue the skid.
1. Stop the skid.
2. Straighten the trailer.
3. Continue the skid.
Continue the skid.
The trailer hand valve should be used:
1. Regularly to activate the trailer brakes in all driving conditions.
2. Only to test the trailer brakes.
3. Only in inclement weather when the trailer may skid.
4. Only if the trailer is carrying a load.
1. Regularly to activate the trailer brakes in all driving conditions.
2. Only to test the trailer brakes.
3. Only in inclement weather when the trailer may skid.
4. Only if the trailer is carrying a load.
Only to test the trailer brakes.
To prevent a trailer from rolling over, you should:
1. Speed up when nearing a corner.
2. Make sudden steering moves.
3. Take on-ramps faster than the posted speed limit.
4. Drive slowly around corners.
1. Speed up when nearing a corner.
2. Make sudden steering moves.
3. Take on-ramps faster than the posted speed limit.
4. Drive slowly around corners.
Drive slowly around corners.
Operating combination vehicles usually requires ____ operating single vehicles.
1. Less skill than
2. About the same level of skill as
3. More skill than
1. Less skill than
2. About the same level of skill as
3. More skill than
More skill than
Combination vehicles:
1. Are usually shorter than single commercial vehicles.
2. Are usually lighter than single commercial vehicles.
3. Require more skill to drive than single commercial vehicles.
4. Are easier to drive than single commercial vehicles.
1. Are usually shorter than single commercial vehicles.
2. Are usually lighter than single commercial vehicles.
3. Require more skill to drive than single commercial vehicles.
4. Are easier to drive than single commercial vehicles.
Require more skill to drive than single commercial vehicles.
To help prevent rollovers, you should:
1. Accelerate quickly after stopping.
2. Drive slowly around turns.
3. Keep the load near the back of the trailer.
4. Keep the load on one side of the trailer.
1. Accelerate quickly after stopping.
2. Drive slowly around turns.
3. Keep the load near the back of the trailer.
4. Keep the load on one side of the trailer.
Drive slowly around turns.
To control surge when stopping, you should not:
1. Keep a steady pressure on the brakes.
2. Brake well in advance of a stop.
3. Release the brakes too quickly.
1. Keep a steady pressure on the brakes.
2. Brake well in advance of a stop.
3. Release the brakes too quickly.
Release the brakes too quickly.
A tractor protection valve is:
1. A device that keeps air in the tractor or truck brake system, should the trailer break away or develop a bad leak.
2. A device that prevents theft.
3. A device that controls fuel levels.
4. A device that allows the battery to recharge efficiently.
1. A device that keeps air in the tractor or truck brake system, should the trailer break away or develop a bad leak.
2. A device that prevents theft.
3. A device that controls fuel levels.
4. A device that allows the battery to recharge efficiently.
A device that keeps air in the tractor or truck brake system, should the trailer break away or develop a bad leak.
The best way to recognize that your trailer has begun to skid is by:
1. Seeing other drivers' faces.
2. Seeing it in your mirrors.
3. Feeling it.
4. Listening to the radio.
1. Seeing other drivers' faces.
2. Seeing it in your mirrors.
3. Feeling it.
4. Listening to the radio.
Seeing it in your mirrors.
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