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

Q.1

An emergency brake must be controlled by:

Mechanical force.
Air pressure.
Gravity.

Q.2

Bridges usually freeze:

Only once temperatures drop significantly below 32 degrees Fahrenheit.
After all other surfaces.
Before other surfaces.

Q.3

When changing lanes, turn signals:

Should not be used.
Should only be used if a vehicle is close to you.
Should be used each time.

Q.4

After a tire has been changed, the driver should stop after a short distance of driving to:

Recheck the tightness of the lug nuts.
See if rocks have gotten into the tread.
Polish the tire.

Q.5

In a dual air brake system:

Air tanks are shared between both systems.
Each system has its own air tanks.
You must designate which system you are using.

Q.6

To help prevent a rollover, cargo should be:

Placed as high as possible inside a trailer.
Placed as low as possible inside a trailer.
Placed on the driver’s side of a trailer.

Q.7

When driving on packed snow, you should reduce your speed by:

One-half or more.
About one-third.
About one-quarter.

Q.8

If driving so slowly that you could impede other drivers, you should:

Stay in the left lane.
Drive while using your four-way flashers.
Wave an arm out the window.

Q.9

If a vehicle is power steering-equipped, the hoses should be:

Checked for leaks.
Securely connected to the battery.
Carrying fuel.

Q.10

A Class 1 hazardous material is:

An explosive.
Solid.
Corrosive.

Q.11

What eliminates alcohol from the bloodstream?

Coffee
Exercise
Time

Q.12

What should you do if the braking system cannot build up hydraulic pressure?

Upshift.
Downshift.
Hold the brake pedal down as far as it will go.

Q.13

Aggressive driving is:

Operating a vehicle in a selfish or pushy manner.
Operating a vehicle with a strong regard for other motorists’ safety.
Operating a vehicle in the left lane.

Q.14

If you’re not sure what to do to extinguish a fire in your vehicle, you should:

Use water.
Stay inside the vehicle.
Wait for the firefighters.

Q.15

If the emergency air line loses pressure:

The Anti-Lock Braking System will activate.
The service air line will activate.
The emergency brakes will activate.

Q.16

A thin layer of ice that forms on road surfaces is called:

White ice.
Black ice.
Blue ice.

Q.17

A jogger wearing a stereo headset:

Is probably aware of what is happening around them.
May not be aware of what is happening around them.
Can hear the sounds of traffic.

Q.18

When it is difficult to see and you are traveling near other drivers, you should:

Use high beam lights.
Use low beam lights.
Use only the clearance lights.

Q.19

If a vehicle is accompanied by a vehicle inspection report:

The driver should first inspect the vehicle, then compare their notes with the report.
The driver should first look at the report when completing an inspection.
The driver should not conduct a pre-trip inspection and should rely only on the report.

Q.20

As part of the vehicle inspection test, you will be asked to:

Explain what you would inspect and why.
Replace an electrical fuse.
Unload the trailer.

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