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DMV PRACTICE
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North Dakota CDL Double Test 1
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Question
1
of 20
QUESTION 1 / 20
Belts in the engine compartment should be:
Choose one answer below.
A
Frayed.
✓
B
Tight.
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C
Greasy.
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D
Easy to slide off.
✓
QUESTION 2 / 20
Too little weight on a steering axle can result in:
Choose one answer below.
A
Poor traction.
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B
Increased visibility.
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C
Longer stopping distances.
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D
Improved gas mileage.
✓
QUESTION 3 / 20
A vehicle stopped at a green light may indicate that the driver:
Choose one answer below.
A
Is impaired.
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B
Is colorblind.
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C
Does not know the rules of the road.
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D
Is very patient.
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QUESTION 4 / 20
What is the Gross Vehicle Weight Rating (GVWR)?
Choose one answer below.
A
The maximum permitted total weight of a vehicle and its cargo
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B
The minimum permitted weight of a trailer
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C
The maximum permitted weight of a trailer and its contents
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D
The maximum permitted weight of only a tractor
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QUESTION 5 / 20
The emergency air line:
Choose one answer below.
A
Is controlled by the foot brake.
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B
Is connected to the relay valves.
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C
Supplies air to the trailer air tanks.
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D
Prevents skids.
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QUESTION 6 / 20
When driving down a steep grade:
Choose one answer below.
A
You should ride your brakes all the way down.
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B
Shift into a higher gear as a way to slow down your vehicle.
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C
Shift into lower gears as a way to slow down your vehicle.
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D
The truck should be put in neutral as a way to slow down your vehicle.
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QUESTION 7 / 20
What can happen if parking brakes are used in very wet weather with temperatures below freezing?
Choose one answer below.
A
The brakes will squeak.
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B
The brakes may freeze so the vehicle cannot move.
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C
The brakes may suddenly release by themselves.
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D
The brakes may become too smooth to be used.
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QUESTION 8 / 20
What is removed when an air tank is drained?
Choose one answer below.
A
Water and oil
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B
Ammonia
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C
Wood
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D
Chlorine
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QUESTION 9 / 20
When changing lanes, you should:
Choose one answer below.
A
Move quickly before other vehicles get into the lane you wish to occupy.
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B
Move slowly, in case another vehicle is in the lane you wish to occupy.
✓
C
Not use your turn signal.
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D
Never use the right lane.
✓
QUESTION 10 / 20
If a tire fails while you are driving, you should:
Choose one answer below.
A
Brake as hard as possible.
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B
Release the steering wheel.
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C
Stay off the brakes and let the vehicle slow down.
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D
Stop on the roadway.
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QUESTION 11 / 20
A cargo cover that flaps in transit:
Choose one answer below.
A
Is acceptable.
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B
Allows air to get to the cargo to keep it cool.
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C
Can tear away.
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D
Can attract birds.
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QUESTION 12 / 20
An air supply control lever should be in its "normal" position when you are:
Choose one answer below.
A
Changing a tire.
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B
Applying the trailer emergency brakes.
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C
Pulling a trailer.
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D
Using your spring brakes.
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QUESTION 13 / 20
If you are being tailgated, you should:
Choose one answer below.
A
Drive on the shoulder.
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B
Pull off the roadway.
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C
Drive faster.
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D
Allow the vehicle to pass.
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QUESTION 14 / 20
Using a helper when backing is:
Choose one answer below.
A
Encouraged.
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B
Discouraged.
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C
Illegal in most states.
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D
Usually a cause of problems.
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QUESTION 15 / 20
If a vehicle is equipped with power steering, the hoses should be checked:
Choose one answer below.
A
For leaks.
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B
To ensure that they are still clear.
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C
To ensure that they are connected to the battery.
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D
For the proper amount of brake fluid.
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QUESTION 16 / 20
Which of the following is not a warning sign of fatigue?
Choose one answer below.
A
Frequent blinking
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B
Rubbing your eyes
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C
Missing exits or traffic signs
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D
Staying within your lane
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QUESTION 17 / 20
The trailer hand valve should be used:
Choose one answer below.
A
To test the trailer brakes.
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B
To check the connection between the trailer and tractor.
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C
To accelerate.
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D
To test the lights on the trailer.
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QUESTION 18 / 20
When a vehicle is started, warning lights and buzzers:
Choose one answer below.
A
Should stay on for several minutes.
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B
Should turn off within a few seconds.
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C
Should stay on until manually turned off.
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D
Should not come on.
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QUESTION 19 / 20
What can the “crack-the-whip” effect do?
Choose one answer below.
A
Turn over trailers.
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B
Make loud noises.
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C
Make trucks accelerate.
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D
Make trucks decelerate.
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QUESTION 20 / 20
When uncoupling a triple trailer rig:
Choose one answer below.
A
The second trailer should be uncoupled first.
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B
The third trailer should be uncoupled first.
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C
The order of uncoupling is not important.
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D
The heaviest trailer should be uncoupled first.
✓
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