North Carolina CDL Double 2 - DMV Written Test Questions with Answers - MCQGeeks.com

Q.1

Steering wheel play should be no more than:

10 degrees.
25 degrees.
50 degrees.
75 degrees.

Q.2

Belts in the engine compartment should be:

Frayed.
Tight.
Greasy.
Easy to slide off.

Q.3

Low underneath clearance can cause difficulties when driving:

Over railroad crossings.
On gravel roads.
Around corners.
At the posted speed limit.

Q.4

Once a coupling is completed, there should be:

Three inches of space between the upper and lower fifth wheel.
No space between the upper and lower fifth wheel.
A moderate amount of space between the upper and lower fifth wheel.

Q.5

An open automobile window in cold weather may indicate that the driver is:

Driving impaired.
Inappropriately dressed.
Using the heat inside their vehicle.
Enjoying the fresh air.

Q.6

When parking a double or triple vehicle:

You should back into your parking spot.
You should park on the roadway.
You should park in a location where you can pull forward to exit.
You should ask people to move their vehicles.

Q.7

If feeling sleepy while driving, you should:

Press on and finish the trip.
Drive faster to arrive to your destination sooner.
Leave the road and take a nap.
Take an energy pill.

Q.8

If you have an engine fire, you should:

Open the hood as soon as possible.
Turn off the engine as soon as possible.
Not use a fire extinguisher.

Q.9

Which gas would cause concern due to a faulty exhaust system?

Oxygen
Carbon monoxide
Nitrogen

Q.10

An application pressure gauge shows:

How much air pressure is being applied to the brakes.
How much air pressure is available.
How much air pressure is required to stop a vehicle.

Q.11

A shut-off valve:

Is located on the front of a trailer.
Is located on the instrument panel.
Prevents air from escaping an air brake system.
Should always be open.

Q.12

What tells you how much pressure is in your vehicle's air tanks?

The supply pressure gauge
The ABS malfunction lamp
The tractor protection valve

Q.13

The trailer hand valve should not be used while you are driving because:

It will disconnect from the vehicle.
You will stop the vehicle too quickly.
It can cause a skid.

Q.14

Mirrors should be adjusted:

While moving.
When the trailers are straight.
When you are standing next to the vehicle.
By an assistant.

Q.15

To inspect slack adjusters on S-cam brakes, you need to:

Park on a hill and test the brakes.
Put on gloves and push in the slack adjusters.
Remove the drum and look inside.
Chock the wheels and disengage the parking brake.

Q.16

The application pressure gauge:

Shows how much air pressure is being applied to the brakes.
Shows the temperature of air being used in the braking system.
Shows the pressure of the air coming from the compressor.
Shows the number of times the brakes have been used.

Q.17

When only the tractor is equipped with an Anti-Lock Braking System (ABS):

There is a decreased risk of jackknifing.
There is an increased risk of jackknifing.
The brakes will not work as effectively as they would without ABS.
The brakes will become more sensitive.

Q.18

During a static leakage test, what is the maximum leakage rate that is safe for a double combination vehicle?

3 psi in one minute.
6 psi in one minute.
8 psi in one minute.

Q.19

If a trailer is too high:

It will not make a difference when coupling.
It may not couple correctly.
Coupling will be more secure.
Coupling will be easier.

Q.20

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

1972
1987
1998
2004

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