Is a major cause of fatal crashes.

Can be a good way to get to your destination quickly.

Should only be done if the roadway is dry.

Is acceptable in light traffic.

Should be tested before a drive.

Should be tested, but only after driving a distance.

West Virginia CDL Tank 1 - DMV Written Test Questions with Answers

Q.1

What is another name for the service line?

The signal line
The cable line
The surplus line
The power line

Q.2

When switching gears, what happens if you remain in neutral for too long?

The vehicle will speed up.
You may have trouble getting the vehicle into the next gear.
You may kill the engine.
The vehicle will be difficult to stop.

Q.3

When you are driving while drowsy, you should:

Press on and try to finish the trip.
Take drugs to keep awake.
Stop and take a nap.
Stop for a coffee break.

Q.4

Driving too fast:

Is a major cause of fatal crashes.
Can be a good way to get to your destination quickly.
Should only be done if the roadway is dry.
Is acceptable in light traffic.

Q.5

Test the tractor protection valve by:

Removing the air supply knob.
Removing the parking brake control knob.
Releasing air with the brake pedal.
Releasing air with the gas pedal.

Q.6

When transporting hazardous materials, placards:

Should only be used with explosives.
Should be used on all four sides of a vehicle.
Should only be used by Class A licensed drivers.
Should be used to reduce insurance rates.

Q.7

Tread depth in the major grooves on a front tire should be at least:

1/32 of an inch.
2/32 of an inch.
4/32 of an inch.
3/4 of an inch.

Q.8

In an engine compartment, loose belts will:

Not turn the water pump and/or fan properly, causing the engine to overheat.
Make the engine run more efficiently.
Make the fan run too much, causing the engine to run too coolly.
Last longer than tight belts.

Q.9

Parking brakes:

Should not be tested.
Should be tested, but only after driving a distance.
Should be tested before a drive.
Should be tested on a hill.

Q.10

____ identical placards must be placed on a vehicle transporting hazardous materials.

One
Two
Three
Four

Q.11

When approaching a railroad crossing, you should:

Rely on the posted signals to indicate when a train is approaching.
Rely on the movements of other motorists to indicate when a train is approaching.
Not rely on signals to indicate when a train is approaching.
Look to see if nearby plants are moving from the breeze created by a passing train

Q.12

Poisonous fumes can enter a truck's cab due to:

A defective exhaust system.
The wrong type of fuel being used.
A lack of oil in the engine.
Under-inflated tires.

Q.13

Shippers must label hazardous materials. If an item is smaller than its label, how should the item be labeled?

The item may be tied together with other hazardous materials and labeled with a sheet of paper on the outside of the bundle.
The label may be attached to a tag that is securely attached to the package.
The item may be marked with a large orange dot.
The item may be placed in a box displaying a warning label.

Q.14

Starting in which year were newly manufactured trailers required to have ABS?

1972
1987
1998
2004

Q.15

When being approached by a vehicle using bright headlights while driving at night, you can avoid being blinded by the headlights by:

Wearing sunglasses.
Closing your eyes.
Glancing to the side of road.
Using your high beams.

Q.16

When the wheels of a trailer lock up:

The trailer will stay straight.
The trailer tends to swing around.
The cab will swing, but the trailer will stay straight.
They will likely go flat.

Q.17

A vehicle inspection is required:

For insurance purposes.
To get fuel.
By state and federal law.

Q.18

Tanks usually have:

Low centers of gravity.
High centers of gravity.
An extra set of brakes.
Lights that always flash.

Q.19

What is the average driver’s reaction time?

One-sixteenth of a second
One-eighth of a second
Between three-quarters of a second and one second
Two seconds

Q.20

Before a drive, ensure that air flows to all trailers by:

Opening the rear shut-off valves and listening for escaping air.
Closing the rear shut-off valves and listening for escaping air.
Disconnecting air supply lines and listening for escaping air.
Rolling each trailer down a hill and testing the brakes.