Arizona CDL Double 1 - DMV Written Test Questions with Answers - MCQGeeks.com

Q.1

What helps prevent wheel lockup when braking?

An Anti-Lock Braking System (ABS)
Air brakes
An alternator

Q.2

If you realize you may be running late to your destination, you should:

Speed up.
Get upset.
Deal with it and drive at a safe speed.

Q.3

Alcohol evaporators are:

Illegal.
Used to add alcohol to braking systems to prevent items from freezing.
Only allowed on vehicles carrying hazardous materials.

Q.4

An exhaust system should be:

Loose.
Leaking.
Fastened securely.

Q.5

After completing a pre-trip inspection, you should ensure that the:

Service line valve is closed.
Trailer hand brake is applied.
Emergency line valve is open.

Q.6

Skids caused by over-acceleration can usually be resolved by:

Removing your foot from the accelerator.
Braking.
Swerving to the right.

Q.7

A driver who stops at a green light could be:

An impaired driver.
A driver who is color blind.
A person who does not know the rules of the road.

Q.8

Mirror adjustment can only be checked properly if:

The trailer is straight.
There is no trailer.
The vehicle is on a slight incline.

Q.9

Within 10 minutes of stopping on the side of the road, you must:

Place emergency warning devices.
Alert local law enforcement.
Call a mechanic.

Q.10

When starting the engine of a truck with a trailer, you can tell that your vehicle's ABS is not working if:

The yellow light on the left rear of the trailer stays on.
The red light on the right side of the trailer flashes three times.
All the rear lights flash and then turn off.

Q.11

When an engine is running, an acceptable oil pressure would be:

10 psi.
50 psi.
110 psi.

Q.12

When starting a vehicle, the oil pressure should:

Gradually build up pressure over the span of a few minutes.
Come up to normal within a few seconds.
Start high, then decrease as the engine is run.

Q.13

If making a tight turn, the operator of a CMV should:

Be able to drive as fast as the driver of a car.
Not be concerned about speed, but focus on the road.
Warn drivers behind by braking early and slowing gradually.

Q.14

A shut-off valve is:

A device that prevents air from escaping an air brake system.
A substitute for a pintle hook.
Another name for a glad hand.

Q.15

When backing up, follow a turning trailer by:

Changing nothing. The vehicle will naturally follow the trailer.
Changing the direction of the steering wheel.
Turning the steering wheel even harder in the direction that it is already turning.

Q.16

When driving in hot weather:

The air pressure in tires will decrease.
The engine oil can help to keep the engine cool.
Antifreeze is not important.

Q.17

When backing, you should:

Move quickly to get out of other drivers' ways.
Try not to use the mirrors.
Use a helper, if possible.

Q.18

When driving a vehicle equipped with an Anti-Lock Braking System (ABS), you should:

Always pump the brakes several times before holding down the brake pedal.
Brake normally.
Press down the brake pedal as hard as possible every time you slow or stop.

Q.19

The more alcohol in the body:

The quicker the liver will digest the alcohol.
The less effect the alcohol will have on the individual.
The longer it will take to remove the alcohol from the body.

Q.20

When driving, mirrors should be used:

Only when there may be a problem.
Infrequently.
Regularly.

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