Friction between the tires and road

The length of time needed to activate the brakes

Swerving may be more effective than braking.

Braking is always the best option.

Drivers should leave 100 yards of distance between their vehicle and the next.

Is necessary to warm up parts of a vehicle.

Is encouraged to improve a vehicle's gas mileage.

Idaho CDL Passenger 1 - DMV Written Test Questions with Answers

Q.1

When backing a truck, you should:

Only use the side mirrors on the driver’s side.
Use both side mirrors.
Only use the side mirrors on the passenger's side.

Q.2

If driving a new vehicle, you should familiarize yourself with the controls:

Before you start driving.
As you drive.
If you feel like you need to.

Q.3

When passengers have carry-on baggage, it is best to:

Leave the items leaning against the rear exit door.
Leave the items near the front door.
Secure the items in a manner that allows easy access to all exits.

Q.4

Which of the following is not an indicator of when to change gears?

Engine speed (rpm)
Road speed (mph)
The speed of the vehicle next to you

Q.5

When should a driver sign a vehicle inspection report?

After every trip
If noted defects are repaired
After each fueling

Q.6

As the driver of a truck carrying a load, you are responsible for all of the following, except:

Inspecting the cargo.
Recognizing poorly balanced weight.
Knowing the phone numbers of all fire departments along your intended route of travel.

Q.7

If a vehicle is equipped with power steering, the hoses should be checked:

For leaks.
For the proper amount of brake fluid.
To ensure that they are connected to the battery.

Q.8

If there is a fire in your vehicle, you should not:

Park in an area away from buildings, trees, brush, and other vehicles.
Pull into a service station.
Notify emergency services of your problem and your location.

Q.9

If you are taking the driving test and the route does not include a railroad crossing, you:

Will not have to do anything related to a crossing.
May have to explain how you would cross railroad tracks.
Will have to take a different route.

Q.10

Hydroplaning happens most often when:

A vehicle is traveling faster than 60 mph.
Tire pressure is too low.
Tire tread is too deep.

Q.11

During the basic control skills test, you will receive points if you:

Pull up once.
Check your positioning.
Cross over exercise boundaries.

Q.12

When making tight maneuvers, it is important for a driver to:

Open their door for a better look.
Use their mirrors.
Flash their headlights.

Q.13

After starting the engine, the Anti-Lock Braking System (ABS) light stays on if:

The ABS is working properly.
The ABS is not working properly.
The ABS is not engaged.

Q.14

When loading a trailer, you should:

Place as little weight as possible over the axles.
Place a well-balanced amount of weight over the axles.
Not be concerned with how the weight is distributed.

Q.15

What is traction?

Friction between the tires and road
Tires' rates of rotation
The length of time needed to activate the brakes

Q.16

Your horn should be used to:

Tell other drivers that you are angry.
Warn other drivers that you are near.
Frighten other drivers.

Q.17

If one-fourth of the leaves in a leaf spring are missing when a vehicle is inspected:

The vehicle’s driver will be allowed to drive, but only at reduced speeds.
The vehicle will be put out-of-service until it is fixed.
The vehicle will be fine to drive since most of the spring is in place.

Q.18

To avoid a crash:

Braking is always the best option.
Swerving may be more effective than braking.
Drivers should leave 100 yards of distance between their vehicle and the next.

Q.19

Rough acceleration:

Can damage parts of a vehicle.
Is necessary to warm up parts of a vehicle.
Is encouraged to improve a vehicle's gas mileage.

Q.20

After picking up passengers at a stop, a driver should:

Allow the passengers time to sit or brace themselves before beginning to drive.
Honk their horn and re-enter traffic.
Begin driving as quickly as possible.