Wyoming
CDL Practice Test

You must first______to supply air to the trailer.

Why is understanding the loading and unloading procedures so critical?

An air system that is fully charged will typically have ___ psi of pressure.

If your bus is equipped with an emergency exit door, it must:

How can you determine if your vehicle is equipped with ABS?

Which seats not securely fastened to the bus are usually allowed?

Select how you can tell if your vehicle is equipped with an anti-lock braking system:

The safety catch for the fifth wheel locking lever must be ____ for a coupling to be complete.

Select the two reasons as to why special care is needed when driving a tank vehicle:

Placarded vehicles must carry which type of fire extinguisher?

What is most likely to occur when the front wheels begin to skid?

When you have a major leak in the service line and you apply pressure to the brakes, the service air pressure will escape and:

_____ create a little above 90 degree angle between the adjuster arm and push rod when the brakes are released and no less than 90 degrees when the brakes are applied.

Select the action that is not recommended when driving on slippery roads:

Select the true statement in regards to large combination vehicles taking longer to stop.

Select the correct setup for shut-off valves:

At around____the governor allows the air compressor to start pumping again:

Who is responsible for packaging, labeling, and preparing the hazardous material shipping papers for a common carrier?

You should check that the following makes an audible noise:

Select the statement that tells you how you can check the low pressure warning signal.

Which of the following statements about downshifting is NOT true?

What are some things you should check on the front of your vehicle when doing the walk-around inspection?

This object should be checked to make sure that the cap(s) are on tight, that it is secure, and there are no leaks.

The average person requires how many hours of sleep per 24 hour period?

What is the purpose of cladding in a tanker?

A disruptive passenger:

Select the statement that is true in regards to managing space to the sides.

Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 Dangerous When Wet material?

What is the best way to prevent brakes form overheating while drive down a steep grade?

Select the true statement about double or triple trailers.

Students exit the bus and walk:

You should be extra cautious when___while driving a smooth bore tanker combination.

In the event of an accident you should remember to do the following EXCEPT:

Within 3 minutes, this gauge pressure should build to 90 psi from 50 psi.

If you must stop on the shoulder of the road, you should place warning devices at all of the following places except...

A tractor should not be backed under a trailer until the whole air system is:

Select the true statement about retest markings:

To test the tractor-trailer connection for security, you should:

If there is no traffic light or attendant, how far from the draw of a drawbridge must you stop?

Cargo tanks are: