You should always use turn signals to warn others about your intentions.

It is best to hide your intentions from others.

You should only use turn signals if there are vehicles near you.

You should not use turn signals in construction zones.

South Dakota CDL Tank 2 - DMV Written Test Questions with Answers

Q.1

If an Anti-Lock Braking System (ABS) is equipped on a trailer but not on a tractor:

The truck should not be driven because ABS needs to be on both the tractor and trailer.
The truck should be driven more slowly than usual.
The tractor should not be used and a new tractor with ABS should be located.
The tractor and trailer can still be used together.

Q.2

How often do hazardous materials employees need to be trained?

At least once a week
At least once every three years
At least one every 10 years

Q.3

You may be an aggressive driver if you:

Expect delays on your drive.
Slow down and maintain a reasonable following distance.
Make hand gestures that could anger other drivers.

Q.4

An Anti-Lock Braking System (ABS):

Is not available for most trucks.
Is not helpful in most situations.
Is required on newer trucks.

Q.5

If planning to change lanes, your mirrors should:

Not be checked.
Be checked as usual.
Be checked more often than usual.

Q.6

If transporting a package that contains radioactive materials, it is important to know that:

Radiation will pass through to other packages.
The packages should be carried in the cab.
The packages should be loaded on their side.
You cannot use bridges.

Q.7

The service air line is attached to the:

Relay valves.
Supply line.
Emergency air line.
Steering wheel.

Q.8

An air supply control lever should be in its "normal" position when you are:

Changing a tire.
Applying the trailer emergency brakes.
Pulling a trailer.
Using your spring brakes.

Q.9

When driving:

It is best to hide your intentions from others.
You should only use turn signals if there are vehicles near you.
You should not use turn signals in construction zones.
You should always use turn signals to warn others about your intentions.

Q.10

When transporting cargo, drivers must check the securement of the cargo every:

10 miles.
150 miles.
500 miles.
1,000 miles.

Q.11

If a package of hazardous materials is not large enough to hold a label, it should be labeled:

With a barcode.
With a tag.
By being placed in a certain part of the trailer.

Q.12

Stopping distance can be affected by:

Speed.
Number of passengers.
Time of day.
Traffic.

Q.13

If you need to travel down a hill, you should switch into a lower gear:

After you start moving downhill.
As you go downhill and pick up speed.
Before you start moving downhill.
Near the bottom of the hill.

Q.14

Which of the following is not a problem?

Loose or broken exhaust pipes
Loose or broken mounting brackets
Exhaust parts rubbing against fuel system parts
Exhaust system parts that are not leaking

Q.15

Pull out the trailer air supply control to test:

The parking brake.
The trailer emergency brakes.
The trailer service brakes.
The landing gear.

Q.16

When it is difficult to see other vehicles, such as at dawn or dusk, you should:

Keep your lights off.
Turn your lights on.
Drive on the shoulder.

Q.17

What is Gross Combination Weight?

The total weight of the powered unit, trailer, and cargo
The total weight of a single vehicle without its load
The maximum weight allowed by the manufacturer

Q.18

When applying your brakes, the vehicle should:

Pull to one side.
Squeak.
Not pull to either side.

Q.19

If brakes overheat while going down a downhill grade, they may:

Get sticky.
Stop working.
Squeak.

Q.20

A manifest for transporting hazardous waste:

Must be signed by hand.
Must be sent electronically.
Must be attached to the outside of the trailer.