Should only be used to test trailer brakes.

Should be used when parking uphill.

Neither creating nor reading a text is permitted.

Creating a text is not permitted, but reading a text is.

Creating a text is permitted, but reading a text is not.

Utah CDL Tank 1 - DMV Written Test Questions with Answers

Q.1

A trolley valve:

Should be used while driving.
Should only be used to test trailer brakes.
Should be used when parking uphill.

Q.2

Belts in the engine compartment should be:

Frayed.
Tight.
Greasy.
Easy to slide off.

Q.3

When backing with a trailer:

You should not back up in a straight line.
You should not correct drift until you are very far off course.
You should pull up to reposition the vehicle as needed.
You should avoid braking.

Q.4

When carrying Division 1.1, 1.2, or 1.3 explosives, your vehicle should not be:

Parked within 300 feet of a bridge.
Parked within 40 feet of the road.
Driven in rain or snow.

Q.5

Stopping distance can be affected by:

Speed.
Engine oil.
Time of day.
Traffic.

Q.6

While driving:

Creating a text is not permitted, but reading a text is.
Creating a text is permitted, but reading a text is not.
Neither creating nor reading a text is permitted.

Q.7

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.8

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.9

If unsure if a trailer is equipped with ABS, you can:

Check under the trailer for wheel speed sensors coming from the back of the brakes.
Try driving on a slippery surface and see if ABS kicks in.
Assume it does have ABS.
Remove a tire and look for the ABS sensor on the axle.

Q.10

Liquid surge occurs in:

Overfilled tanks.
Partially-filled tanks.
Tanks that have not been used for a period of time.

Q.11

A Class 1 hazardous material is:

An explosive.
Solid.
Corrosive.

Q.12

An exhaust system should be:

Loose.
Leaking.
Fastened securely.

Q.13

A steering wheel should be held:

With both hands.
With one hand, keeping the other hand free for other tasks.
With one hand at a time, alternating between hands.
At the base of the wheel.

Q.14

If a leak is suspected in a cargo of radioactive material:

The driver should go to the local fire department.
The driver should pick up any loose pieces of the radioactive material.
The driver should continue to carry the cargo, as long as they avoid touching the affected areas.
The driver should not operate the vehicle until it has been cleaned.

Q.15

To use the controlled braking method, you should:

Lock your wheels while braking.
Apply your brakes as firmly as possible without locking the wheels.
Slightly tap the brakes.

Q.16

The most important reason to do a pre-trip inspection is that it helps ensure safety.

True
False

Q.17

Roads are especially slippery when it first begins to rain because:

Water is always very slippery.
The fresh rain mixes with oil on the roadway.
The water has nowhere to go.

Q.18

A sign indicating a maximum safe speed:

Is suggesting a driving speed, but vehicles may travel faster than the posted speed.
Is suggesting a speed limit to be followed only by vehicles weighing more than 26,000 pounds.
Should be followed and no vehicle should travel faster than the posted speed.
Is only applicable to automobiles.

Q.19

Tires of mismatched sizes:

Can be used only on a front axle.
Can be used only on a trailer's axles.
Should be corrected before driving.
Improve fuel economy.

Q.20

With your low beam headlights turned on, you should be able to see about ____ ahead of your vehicle.

15 feet
75 feet
100 feet
250 feet