A vehicle's after-trip inspection should be completed.

A vehicle should be placed out-of-service.

A vehicle's oil should be changed.

A vehicle's battery should be disconnected.

Can be avoided by not engaging in complex conversations while driving.

Always comes as a result of physical distraction, not mental distraction.

Can be elevated by pre-programming radio stations.

Can be avoided by eating while driving.

Are used to drain water and oil from the tanks.

Allow rain water to enter the tanks.

Must remain open while driving.

The amount of time it takes to get ready to drive after sleeping

Massachusetts CDL Double 1 - DMV Written Test Questions with Answers

Q.1

After a trip:

A vehicle should be placed out-of-service.
A vehicle's oil should be changed.
A vehicle's after-trip inspection should be completed.
A vehicle's battery should be disconnected.

Q.2

If the brakes “pull” to one side or the other when you use them, it's a sign that:

The brakes are working properly.
The brakes need to be checked.
The brakes are new.
The brakes have too much stopping power.

Q.3

When you leave your vehicle, you should:

Apply the parking brake.
Apply the air brake.
Not apply any brake.
Leave the door open.

Q.4

Most heavy-duty vehicles use:

Mono air brake systems.
Dual air brake systems.
Triple air brake systems.
Quadruple air brake systems.

Q.5

If you are driving and your trailer begins to jackknife, you should not:

Release the brakes.
Allow the trailer to straighten out.
Apply the trailer hand brake.
Allow the wheels to grip the road.

Q.6

A convex mirror is sometimes called a ____ mirror.

Bug-eye
Square
Helper

Q.7

To help prevent rollovers, you should:

Accelerate quickly after stopping.
Drive slowly around turns.
Keep the load near the back of the trailer.
Keep the load on one side of the trailer.

Q.8

Which of the following is not a sign of fatigue?

Ability to focus
Daydreaming
Yawning repeatedly
Drifting from your lane

Q.9

When driving a trailer with ABS, you should:

Not depress the brakes as much as you would when driving a vehicle without ABS.
Use extra braking force to ensure the ABS kicks in.
Brake as you would when driving a vehicle without ABS.
Try to not brakes as often as you would when driving a vehicle without ABS.

Q.10

During a static leakage test, the maximum leakage rate for a double combination vehicle is:

3 psi in one minute.
6 psi in one minute.
8 psi in one minute.
4 psi in one minute.

Q.11

If you identify a large box in your lane on the road ahead, you should:

Slow down.
Speed up.
Not be worried because another vehicle will likely hit it before your vehicle.
Swerve into another lane of traffic.

Q.12

To use the stab braking method, you should:

Apply the brakes completely until the wheels lock up, release the brakes until the wheels start rolling, then repeat the process.
Apply the brakes about halfway, but allow the wheels to keep rolling.
Apply the brakes completely until the wheels lock up and the vehicle stops.
Apply the emergency brake until the vehicle starts to slow.

Q.13

After a vehicle is started, the engine oil pressure should come up to normal:

Within seconds.
Within five minutes.
Within three minutes.
After five minutes.

Q.14

While driving, you should:

Develop plans to get out of any dangerous situation that could arise.
Enjoy the scenery.
Never look at the mirrors.
Focus on your own driving and not worry about other drivers.

Q.15

Distracted driving:

Always comes as a result of physical distraction, not mental distraction.
Can be elevated by pre-programming radio stations.
Can be avoided by eating while driving.
Can be avoided by not engaging in complex conversations while driving.

Q.16

Air tank drains:

Allow rain water to enter the tanks.
Are used to drain water and oil from the tanks.
Should never be opened.
Must remain open while driving.

Q.17

While driving, if you notice anything affecting safety or mechanics, you should:

Stay quiet and see if the problem goes away.
Make a written report that includes your concerns.
Try to fix the issue yourself.
Not use that part of the vehicle and hope others don't notice the problem.

Q.18

What may happen if the exhaust system is not working properly?

Poisonous fumes may enter the cab.
Poisonous fumes may exit the rear of the muffler system.
It may prevent proper steering.
It may cause problems if the trailer is fully loaded.

Q.19

What is sleep debt?

When you fall behind on sleep
When you want to take a nap
Excess sleep
The amount of time it takes to get ready to drive after sleeping

Q.20

What color is the low air pressure warning light?

Green
Orange
Red
Purple