Is common if a vehicle is warmed up.

Is encouraged to improve gas mileage.

Are more likely to roll over than empty rigs.

Are less likely to roll over than empty rigs.

Are just as likely to roll over as empty rigs.

Alaska CDL Tank 1 - DMV Written Test Questions with Answers

Q.1

How do ice cream trucks become hazardous to other drivers?

Ice cream trucks must be kept cold.
Children often run toward an ice cream truck without looking for other traffic.
Ice cream trucks leave trails of water and ice on the roadway.

Q.2

The minimum acceptable tread depth for rear tires is:

1/64 of an inch.
1/32 of an inch.
2/32 of an inch.

Q.3

Drivers trapped behind a slow-moving vehicle often:

Follow the vehicle too closely.
Allow the vehicle plenty of space.
Are happy with the speed of travel.

Q.4

Tanks often have:

A lower center of gravity.
No center of gravity.
A higher center of gravity.

Q.5

Rust around wheel nuts may mean:

It rained recently.
The nuts are loose.
The nuts are too tight.

Q.6

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

Frequent blinking
Drifting from their lane
Feeling hungry

Q.7

What is the average driver’s reaction time?

1/16 of a second
1/8 of a second
3/4 of a second

Q.8

After a tire has been changed, the driver should stop after a short distance to:

Check the tightness of the lug nuts.
Ensure that the tire has remained clean.
Inflate the new tire.

Q.9

Combination vehicles:

Are usually shorter than single commercial vehicles.
Usually require less skill to drive than single commercial vehicles.
Usually require more skill to drive than single commercial vehicles.

Q.10

Always perform the steps of a pre-trip inspection in the same order each time because:

You will be less likely to forget something.
You will have more time to complete the inspection.
It is required by law.

Q.11

____ is an example of required emergency equipment.

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

Q.12

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.13

Rough acceleration:

Can damage a vehicle.
Is common if a vehicle is warmed up.
Is encouraged to improve gas mileage.

Q.14

When driving under wet conditions, a lack of spray coming from the tires of other vehicles indicates that:

Ice has formed on the road.
The pavement is dry.
The spray is caught on the underside of the vehicle.

Q.15

Why should the steps of a pre-trip inspection be done in the same order each time?

Because you will be less likely to forget to check something
Because it will be faster
Because it is required by law

Q.16

Which of the following is not a type of distraction?

Physical
Mental
Obtuse

Q.17

When checking tires, which of the following should not cause concern?

Too much air pressure
Tread of at least 4/32 of an inch on front tires
Radial and bias-ply tires used together

Q.18

An after-trip inspection should be done:

Once a week.
Once a month.
After every trip.

Q.19

Fully-loaded rigs:

Are less likely to roll over than empty rigs.
Are more likely to roll over than empty rigs.
Are just as likely to roll over as empty rigs.

Q.20

The trailer hand valve should be used:

To test the trailer brakes.
To check the connection between the trailer and tractor.
To accelerate.