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

Q.1

If you are backing and the trailer begins to drift off-course, the driver should:

Return the steering wheel to the 12 o’clock position.
Turn the top of the steering wheel in the direction of the drift.
Turn the top of the steering wheel in the direction opposite of the drift.

Q.2

What is the Johnson bar?

A hand valve that works the trailer brakes
A valve that indicates the fuel level
A valve that limits the amount of cargo

Q.3

Landing gear should be ____ during uncoupling.

Partially lowered
Fully raised
Firmly on the ground

Q.4

When coupling, you should:

Make sure to couple the proper glad hands.
Only couple one set of glad hands.
It is best to leave one glad hand loose.

Q.5

In a double or triple combination, the ____ trailer should be directly behind the cab.

Lightest
Heaviest
Smallest

Q.6

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.7

You should check and adjust your mirrors:

Before driving.
While driving.
After driving.

Q.8

Having ABS on only one axle:

Can be dangerous.
Still allows you additional control when braking.
Slows the vehicle, but cannot stop it.

Q.9

Mirror adjustment can only be checked properly if:

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

Q.10

When entering traffic, a large vehicle usually needs:

Less space than is needed for a car.
About the same amount of space as is needed for a car.
More space than is needed for a car.

Q.11

What is removed when an air tank is drained?

Water and oil
Ammonia
Liquid cleaners

Q.12

To stay alert while driving, you should:

Eat a heavy meal before beginning your trip.
Keep the cab warm.
Ride with a second person who can share driving responsibilities.

Q.13

How much distance will an air brake-equipped vehicle need to come to a complete stop if it is traveling at 55 mph under ideal driving conditions?

300 feet
100 feet
450 feet

Q.14

An example of required emergency equipment is:

A spare electrical fuse.
A loud horn.
A battery-operated flashlight.

Q.15

When leaving your vehicle unattended:

The parking brake should be used.
The parking brake only needs to be used if the vehicle is parked on a slope.
The parking brake should not be used, as it can damage the tires.

Q.16

If your vehicle is hydroplaning, you should:

Turn the steering wheel as hard as possible.
Not use the brakes.
Put the vehicle in reverse.

Q.17

The "crack-the-whip" effect is caused by:

Rearward amplification.
Driving below the speed limit.
Heavy traffic.

Q.18

A driver can rely on front wheel braking to work:

On dry roadways only.
Under all conditions.
Under all conditions, except for snow.

Q.19

A person driving with an open window in cold weather may be:

A distracted driver.
A person who is dressed inappropriately.
A person who likes fresh air.

Q.20

Vehicles driving behind a truck:

May have difficulty seeing objects in front of the truck.
Often have a great view of the roadway in front of them.
Do not need to signal.

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