Are helpful to remove water and oil from the air tanks.

Should not be used in cold weather.

Are used to move air to the brakes.

Prevent your vehicle from accelerating when going uphill.

Rhode Island CDL Double 2 - DMV Written Test Questions with Answers

Q.1

When coming to a stop, you should apply the brake pedal by:

Pushing down gradually.
Pushing down quickly.
Pulling up gradually.

Q.2

When leaving your vehicle:

The air brakes should be applied.
The parking brake should be applied.
Brakes should not be applied if the vehicle is left out of gear.

Q.3

People working on a disabled vehicle:

Are probably aware of the roadway.
May be distracted by the repair and not pay attention to the roadway.
Are exempt from traffic laws.

Q.4

The use of a hand-held mobile device while driving is:

Prohibited.
Acceptable if weather conditions are clear.
Permitted if use is work-related.

Q.5

Air tank drains:

Should not be used in cold weather.
Are helpful to remove water and oil from the air tanks.
Are used to move air to the brakes.

Q.6

How can you tell if a converter dolly is equipped with anti-lock brakes?

The dolly is marked with a sticker displaying the letters "ABS."
There is a plaque on the side of the dolly containing the information.
There is a yellow lamp on the left side of the dolly.

Q.7

When traveling down a steep grade, you switch into a lower gear:

Before beginning the grade.
When you have already started the grade.
As far down the grade as possible.

Q.8

Which of the following is not a sign of fatigue?

Difficulty focusing, with frequent blinking
Yawning repeatedly or rubbing eyes
Staying in your lane

Q.9

On a slippery surface, stopping distance:

Is longer than on a regular driving surface.
Is not as long as on a regular driving surface.
Is about the same as on a regular driving surface.

Q.10

Which of the following is not a sign of a driver becoming tired?

Frequent blinking
Drifting from their lane
Feeling hungry

Q.11

ABS brakes:

Help you avoid wheel lockup.
Lock up your vehicle's wheels.
Prevent your vehicle from accelerating when going uphill.

Q.12

When approaching a vehicle for a pre-trip inspection, a driver should look under the vehicle:

To see if the vehicle is on an incline.
To see if there are any fresh fluids on the ground.
To see if the vehicle is in a parking spot.

Q.13

Skids caused by over-acceleration can usually be resolved by:

Removing your foot from the accelerator.
Braking.
Swerving to the right.

Q.14

As part of a pre-trip inspection, you should look for all of the following, except:

Tires with too much air pressure.
Tires with too much wear.
Tires made by different manufacturers.

Q.15

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

Oxygen
Carbon monoxide
Nitrogen

Q.16

Older trailers are not equipped with spring brakes. This means that if the air supply for a vehicle's air braking system leaks away:

The trailer will stop normally.
The trailer will not have brakes.
The trailer will speed up.

Q.17

On flat surfaces, wheel chocks:

Can be used to prevent a parked vehicle from moving.
Make it easier for a parked vehicle to roll.
Should only be used on the front driver's side tire.

Q.18

How many daily hours of sleep does an adult need to maintain alertness?

Six to seven
Seven to eight
Eight to nine

Q.19

A safety valve is set to open at ____ pounds per square inch (psi).

Q.20

Broken suspension parts:

Should be repaired immediately.
Should be repaired, but not immediately.
Cannot be identified.