You should first walk the area to become more familiar with obstacles.

You should rely on your mirrors to guide you.

You should look straight ahead.

More dangerous than driving during the day.

Safer than driving during the day.

Just as safe as driving during the day.

Wyoming CDL Double 2 - DMV Written Test Questions with Answers

Q.1

To prevent a rollover, cargo should be:

Loaded with most weight on the driver’s side of the trailer.
Placed near the rear of the trailer.
Spread out in the trailer.

Q.2

Antifreeze helps to keep an engine functioning properly:

But only in cold weather.
But only in hot weather.
Regardless of the weather.
While minimizing the vehicle's fuel use.

Q.3

A driver should always:

Stay in the right lane.
Have an emergency plan.
Stay in the left lane.
Drive faster than the posted speed limit.

Q.4

When you leave your vehicle, you should:

Not apply any brake.
Apply the air brake.
Apply the parking brake.
Leave the door open.

Q.5

A pre-trip inspection:

Should be done in the same way every time.
Should be done differently every time.
Does not always need to include all items of concern.

Q.6

Which of the following indicates drowsy driving?

Eyes going out of focus by themselves
Having trouble keeping your head up
Drifting from lane to lane
All of the above

Q.7

When lightly loaded, combination vehicles:

Should not be driven.
Have reduced braking capabilities.
Will not rollover.
Should be loaded with most of the weight in the rear of the trailer.

Q.8

During the vehicle inspection test, you will be asked to:

Change a tire.
Explain to the examiner what you are inspecting and why.
Estimate the weight of a load on a trailer.

Q.9

During an applied leakage test, the maximum leakage rate for a single vehicle with air brakes is:

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

Q.10

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.11

If you are turning left and there are two available left turn lanes, which lane should you choose?

The left lane
The right lane
Either lane
Trucks should not turn where there are two left turn lanes.

Q.12

Which of the following is not a type of retarder?

Exhaust
Engine
Air

Q.13

During a trip, which of the following does not need to be checked regularly?

Pressure gauges
Mirrors
Tires
Seat cushion

Q.14

Backing with a trailer is dangerous because:

It is difficult for the driver to see behind the trailer.
There may be extra weight in the front of the vehicle.
Cargo may fall out of the trailer.
Trailers are not made to be driven in reverse.

Q.15

Before driving a vehicle with a dual air brake system, you must wait for the air compressor to build a minimum of ____ in both the primary and secondary systems.

25 psi
50 psi
75 psi
100 psi

Q.16

Which of the following is not a reason to use your mirrors?

You are changing lanes.
You are making a turn.
You are looking at fuel prices.

Q.17

When making a visual check of a coupling, you should:

Make sure there is no space between the upper and lower fifth wheel.
Make sure the kingpin is polished.
Look for mud on the fifth wheel.
Loosen the air hoses.

Q.18

What can happen if the exhaust system is not working properly?

Poisonous fumes may enter the cab.
Fumes may exit the rear of the muffler system.
Proper steering may be impossible.

Q.19

If backing a truck:

You should rely on your mirrors to guide you.
You should first walk the area to become more familiar with obstacles.
You should look straight ahead.

Q.20

Driving at night is:

Safer than driving during the day.
Just as safe as driving during the day.
More dangerous than driving during the day.