South Dakota CDL Double 1 - DMV Written Test Questions with Answers - MCQGeeks.com

Q.1

If there is ice on the front of your side mirror:

You should exit the roadway.
You can expect ice to be on the roadway.
There will not be ice on the roadway.

Q.2

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

You will be less likely to forget a step.
You will get faster.
It is required by law.
The form must be followed in order.

Q.3

When should the trailer hand valve be used?

Only when the trailer is carrying a load
Only to test the trailer’s brakes
Only in inclement weather when the trailer may skid

Q.4

When near a railroad crossing:

You should expect to hear every approaching train.
You may not hear a train, even if one is approaching.
You will hear two short blasts of a train's horn if a train is approaching.

Q.5

When driving a vehicle equipped with an Anti-Lock Braking System (ABS), you should:

Stop harder than you would in a vehicle not equipped with ABS.
Use extra braking force to ensure the ABS kicks in.
Brake as you would in a vehicle not equipped with ABS.
Brake with less force than you would in a vehicle not equipped with ABS.

Q.6

When driving in fog, you should:

Use your horn.
Use the low beam lights.
Use the high beam lights.
Use the heater.

Q.7

When inspecting the exhaust system, which of the following should not cause concern?

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

Q.8

If approaching a railroad crossing that is being approached by a train, you should:

Try to cross the tracks quickly.
Drive around any lowered gates.
Stop and wait for the train to pass before beginning across the tracks.

Q.9

When driving, how can you maintain alertness?

Keep cool by using the air conditioner or opening a window.
Eat a lot of heavy foods.
Avoid stopping.

Q.10

When starting an engine, warning lights and buzzers should:

Turn on and stay on.
Flicker occasionally.
Turn off right away.

Q.11

What do the two systems of a dual air brake system share?

Hoses
An air compressor
Air tanks

Q.12

The safety belt should:

Not be adjustable.
Latch securely.
Be frayed.

Q.13

The driver of a commercial motor vehicle:

Can use any cell phone while driving.
Can only use a hands-free mobile phone while driving.
Can only use a cell phone on rural roads.
Can use a cell phone at night.

Q.14

To release a dolly's spring brakes before positioning the converter dolly for coupling, you should:

Use the dolly parking brake control.
Remove the air tank petcock.
Raise the dolly support.
Remove the pintle hook.

Q.15

Air lines should be securely connected to:

The fifth wheel.
The proper glad hands.
The kingpin.
The pintle hook.

Q.16

Truck tractors with air brakes that were built on or after March 1, 1997 are equipped with:

An extra set of brakes.
Voice-activated brakes.
Cruise control.
Anti-Lock Braking Systems (ABS).

Q.17

When approaching a railroad crossing, you should:

Increase your speed to get across the tracks as quickly as possible.
Roll your window down to listen for a train.
Rely on traffic control signals.
Never try to outdrive an approaching train.

Q.18

To prevent a vehicle from rolling backward when beginning to move forward from a stopped position, you should:

Turn off the engine.
Partly engage the clutch.
Apply the emergency brake.

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.
Should not be driven.

Q.20

Rollovers happen when:

You drive too slowly.
You are stopped.
You take a turn too fast.

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