2026 Massachusetts DMV Double Endorsement Test 1 (20 Questions And Complete Answers)
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Terms in this set
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When you leave your vehicle, you should:
1. Apply the parking brake.
2. Apply the air brake.
3. Not apply any brake.
4. Leave the door open.
1. Apply the parking brake.
2. Apply the air brake.
3. Not apply any brake.
4. Leave the door open.
Apply the parking brake.
Most heavy-duty vehicles use:
1. Mono air brake systems.
2. Dual air brake systems.
3. Triple air brake systems.
4. Quadruple air brake systems.
1. Mono air brake systems.
2. Dual air brake systems.
3. Triple air brake systems.
4. Quadruple air brake systems.
Dual air brake systems.
After a trip:
1. A vehicle should be placed out-of-service.
2. A vehicle's oil should be changed.
3. A vehicle's after-trip inspection should be completed.
4. A vehicle's battery should be disconnected.
1. A vehicle should be placed out-of-service.
2. A vehicle's oil should be changed.
3. A vehicle's after-trip inspection should be completed.
4. A vehicle's battery should be disconnected.
A vehicle's after-trip inspection should be completed.
If the brakes “pull” to one side or the other when you use them, it's a sign that:
1. The brakes are working properly.
2. The brakes need to be checked.
3. The brakes are new.
4. The brakes have too much stopping power.
1. The brakes are working properly.
2. The brakes need to be checked.
3. The brakes are new.
4. The brakes have too much stopping power.
The brakes need to be checked.
If you are driving and your trailer begins to jackknife, you should not:
1. Release the brakes.
2. Allow the trailer to straighten out.
3. Apply the trailer hand brake.
4. Allow the wheels to grip the road.
1. Release the brakes.
2. Allow the trailer to straighten out.
3. Apply the trailer hand brake.
4. Allow the wheels to grip the road.
Apply the trailer hand brake.
A convex mirror is sometimes called a ____ mirror.
1. Bug-eye
2. Square
3. Helper
1. Bug-eye
2. Square
3. Helper
Bug-eye
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.
Which of the following is not a sign of fatigue?
1. Ability to focus
2. Daydreaming
3. Yawning repeatedly
4. Drifting from your lane
1. Ability to focus
2. Daydreaming
3. Yawning repeatedly
4. Drifting from your lane
Ability to focus
When driving a trailer with ABS, you should:
1. Not depress the brakes as much as you would when driving a vehicle without ABS.
2. Use extra braking force to ensure the ABS kicks in.
3. Brake as you would when driving a vehicle without ABS.
4. Try to not brakes as often as you would when driving a vehicle without ABS.
1. Not depress the brakes as much as you would when driving a vehicle without ABS.
2. Use extra braking force to ensure the ABS kicks in.
3. Brake as you would when driving a vehicle without ABS.
4. Try to not brakes as often as you would when driving a vehicle without ABS.
Brake as you would when driving a vehicle without ABS.
During a static leakage test, the maximum leakage rate for a double combination vehicle is:,
1. 3 psi in one minute.
2. 6 psi in one minute.
3. 8 psi in one minute.
4. 4 psi in one minute.
1. 3 psi in one minute.
2. 6 psi in one minute.
3. 8 psi in one minute.
4. 4 psi in one minute.
3 psi in one minute.
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