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North Dakota CDL Class B Knowledge Test 1
Practice mode
Question
1
of 25
QUESTION 1 / 25
Which of the following is a sign of a potentially drunk driver?
Choose one answer below.
A
They are staying in their traffic lane.
✓
B
They are driving a consistent speed.
✓
C
They are stopping without a reason.
✓
D
They have alcohol-related bumper stickers on their vehicle.
✓
QUESTION 2 / 25
While driving:
Choose one answer below.
A
A driver does not need to inform others of their intentions.
✓
B
A driver should only use turn signals if a vehicle is next to them.
✓
C
A driver should not use a turn signal if their lane change will be obvious.
✓
D
A driver should always use turn signals to inform others of their intentions.
✓
QUESTION 3 / 25
When backing with a trailer:
Choose one answer below.
A
You should not back up in a straight line.
✓
B
You should not correct drift until you are very far off course.
✓
C
You should pull up to reposition the vehicle as needed.
✓
D
You should avoid braking.
✓
QUESTION 4 / 25
Driving too fast:
Choose one answer below.
A
Is a major cause of fatal crashes.
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B
Can be a good way to get to your destination quickly.
✓
C
Should only be done if the roadway is dry.
✓
D
Is acceptable in light traffic.
✓
QUESTION 5 / 25
Suspension system defects may include all of the following, except:
Choose one answer below.
A
Cracked or broken spring hangers.
✓
B
Missing or broken leaves.
✓
C
Leaking shock absorbers.
✓
D
Cracked lights.
✓
QUESTION 6 / 25
Where is the safety relief valve usually located?
Choose one answer below.
A
Near the rear brake
✓
B
Near the front brake
✓
C
In an air tank
✓
D
On the dashboard
✓
QUESTION 7 / 25
Front brake limiting valves were intended to:
Choose one answer below.
A
Prevent the front tires from skidding.
✓
B
Prevent the front tires from overheating.
✓
C
Create equal brake usage.
✓
D
Remove uncertainty when applying the brakes.
✓
QUESTION 8 / 25
Cargo on flatbed trailers should be:
Choose one answer below.
A
Tied down.
✓
B
Glued down.
✓
C
Left loose.
✓
D
Pushed to one side.
✓
QUESTION 9 / 25
Move over laws require:
Choose one answer below.
A
Trucks to use the left lane.
✓
B
All vehicles to vacate the lane closest to an emergency vehicle that is stopped with its lights flashing.
✓
C
All vehicles to use the left lane.
✓
D
All vehicles to move to the left lane if a flatbed trailer is in the right lane.
✓
QUESTION 10 / 25
If you’re unfamiliar with the area in which you must back up, you should:
Choose one answer below.
A
Get out of your vehicle and walk around the area to become more familiar with it.
✓
B
Not use both mirrors, as that can cause too much distraction.
✓
C
Wait for someone else to back up in the area so you see how they do it.
✓
D
Turn on your high beam headlights.
✓
QUESTION 11 / 25
The ____ tells a driver how much pressure is in the air tanks.
Choose one answer below.
A
Application pressure gauge
✓
B
Air compressor governor
✓
C
Supply pressure gauge
✓
D
Drum brake
✓
QUESTION 12 / 25
When entering a curve, you should:
Choose one answer below.
A
Get off the roadway.
✓
B
Use the shoulder.
✓
C
Downshift.
✓
D
Take the vehicle out of gear.
✓
QUESTION 13 / 25
Air tank drains:
Choose one answer below.
A
Should not be used in cold weather.
✓
B
Are helpful to remove water and oil from the air tanks.
✓
C
Are used to move air to the brakes.
✓
D
Clean the air in the passenger compartment.
✓
QUESTION 14 / 25
Placards should be used:
Choose one answer below.
A
Any time a vehicle is carrying hazardous materials.
✓
B
If there is open space in the truck.
✓
C
If the amount of hazardous materials in the truck exceeds 200 pounds.
✓
D
If the hazardous materials create an inhalation hazard.
✓
QUESTION 15 / 25
To make driving at night easier, you should:
Choose one answer below.
A
Keep your interior light turned on.
✓
B
Adjust the instrument panel lights as dimly as you can while still being able to read the gauges.
✓
C
Not take a nap before driving.
✓
D
Use only your low beam headlights.
✓
QUESTION 16 / 25
Hanging meat as a cargo:
Choose one answer below.
A
Creates a safe driving situation.
✓
B
Creates an unstable load.
✓
C
Should not be done.
✓
D
Creates a low center of gravity.
✓
QUESTION 17 / 25
Leaking shock absorbers:
Choose one answer below.
A
Are normal.
✓
B
Indicate a potentially dangerous defect.
✓
C
Will prevent the turn signals from working.
✓
D
Pose no threat if the vehicle is only driven on highways.
✓
QUESTION 18 / 25
When traction is poor, a driver should accelerate slowly:
Choose one answer below.
A
Because it is best to always accelerate very slowly.
✓
B
So they do not lose control of their vehicle.
✓
C
So the driver does not accelerate faster than the vehicle ahead.
✓
D
To be the last vehicle through an intersection.
✓
QUESTION 19 / 25
Overloading cargo can have negative effects on all of the following, except:
Choose one answer below.
A
Steering.
✓
B
Braking.
✓
C
Speed control.
✓
D
The electrical system.
✓
QUESTION 20 / 25
When turning quickly to avoid an object in the roadway, you should:
Choose one answer below.
A
Apply your brakes as you steer.
✓
B
Give yourself extra clearance by turning more than needed to miss the object.
✓
C
Turn just enough to miss the object and avoid turning more.
✓
D
Steer and accelerate at the same time.
✓
QUESTION 21 / 25
Escape ramps are:
Choose one answer below.
A
Ramps to exit the interstate quickly.
✓
B
Ramps connecting four-lane highways and two-lane highways.
✓
C
Ramps that can be used by stop runaway vehicles on steep downhills.
✓
D
Ramps that cannot be used by automobiles.
✓
QUESTION 22 / 25
An example of mandatory emergency equipment is:
Choose one answer below.
A
A supply of spare electrical fuses.
✓
B
A loud horn.
✓
C
A battery-operated flashlight.
✓
D
A supply of fireworks.
✓
QUESTION 23 / 25
The brake pedal is part of which braking system?
Choose one answer below.
A
The service brake system
✓
B
The parking brake system
✓
C
The emergency brake system
✓
D
The auxiliary brake system
✓
QUESTION 24 / 25
Mirror adjustment can only be checked properly if:
Choose one answer below.
A
The trailer is straight.
✓
B
There is no trailer attached to the tractor.
✓
C
The vehicle is on a slight incline.
✓
D
The vehicle is on a slight decline.
✓
QUESTION 25 / 25
If the brake pads rub against the brake drums and create too much heat:
Choose one answer below.
A
The brakes will stick.
✓
B
The brakes will become extra sensitive.
✓
C
The brakes may stop working.
✓
D
The air compressor will kick on to cool the brakes.
✓
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