2026 District Of Columbia DMV Combination Class A Test 2 (20 Questions And Complete Answers)
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Terms in this set
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The trailer hand valve should:
1. Be used for parking.
2. Be used only to test the trailer brakes.
3. Be used together with the brake pedal.
4. Be used on slippery surfaces.
1. Be used for parking.
2. Be used only to test the trailer brakes.
3. Be used together with the brake pedal.
4. Be used on slippery surfaces.
Be used only to test the trailer brakes.
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
Using the trailer hand brake while experiencing a trailer jackknife will:
1. Stop the skid.
2. Straighten the trailer.
3. Increase traction.
4. Continue the skid.
1. Stop the skid.
2. Straighten the trailer.
3. Increase traction.
4. Continue the skid.
Continue the skid.
Using the trailer hand valve while driving:
1. Will help you turn safely.
2. Will stop your trailer safely.
3. Can cause a skid.
4. Is impossible.
1. Will help you turn safely.
2. Will stop your trailer safely.
3. Can cause a skid.
4. Is impossible.
Can cause a skid.
Driving a combination vehicle ____ than driving a single vehicle.
1. Is easier
2. Requires more driving skill
3. Is better for training
4. Is safer in inclement weather
1. Is easier
2. Requires more driving skill
3. Is better for training
4. Is safer in inclement weather
Requires more driving skill
Simply changing lanes can cause:
1. A “crack-the-whip” effect, resulting in a rollover.
2. A trailer to straighten out.
3. Confusion over which lane the driver is hoping to use.
4. Other drivers to reduce their speed.
1. A “crack-the-whip” effect, resulting in a rollover.
2. A trailer to straighten out.
3. Confusion over which lane the driver is hoping to use.
4. Other drivers to reduce their speed.
A “crack-the-whip” effect, resulting in a rollover.
Avoid needing to make sudden lane changes by:
1. Using your horn to encourage other drivers to move out of your lane.
2. Only driving slower than the posted speed limit.
3. Watching the road ahead while driving.
4. Pulling off the road and waiting when there is high traffic.
1. Using your horn to encourage other drivers to move out of your lane.
2. Only driving slower than the posted speed limit.
3. Watching the road ahead while driving.
4. Pulling off the road and waiting when there is high traffic.
Watching the road ahead while driving.
When uncoupling a trailer, landing gear should be:
1. Raised completely.
2. Lowered halfway.
3. Just off the pavement.
4. Firmly on the ground.
1. Raised completely.
2. Lowered halfway.
3. Just off the pavement.
4. Firmly on the ground.
Firmly on the ground.
If the trailer begins to skid, it is best to:
1. Release the brakes.
2. Accelerate.
3. Quickly turn the steering wheel one way, then the other.
4. Brake.
1. Release the brakes.
2. Accelerate.
3. Quickly turn the steering wheel one way, then the other.
4. Brake.
Release the brakes.
If you need to back your trailer but cannot back up in a straight path, you should:
1. Back toward the passenger's side.
2. Back toward the driver's side.
3. Swerve back and forth while backing.
4. Always turn to your right.
1. Back toward the passenger's side.
2. Back toward the driver's side.
3. Swerve back and forth while backing.
4. Always turn to your right.
Back toward the driver's side.
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