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North Dakota
North Dakota CDL Knowledge Test Class B 1
Answers
Q.1.
Which of the following is a sign of a potentially drunk driver?
They are staying in their traffic lane.
They are driving a consistent speed.
They are stopping without a reason.
They have alcohol-related bumper stickers on their vehicle.
Q.2.
While driving:
A driver does not need to inform others of their intentions.
A driver should only use turn signals if a vehicle is next to them.
A driver should not use a turn signal if their lane change will be obvious.
A driver should always use turn signals to inform others of their intentions.
Q.3.
When backing with a trailer:
You should not back up in a straight line.
You should not correct drift until you are very far off course.
You should pull up to reposition the vehicle as needed.
You should avoid braking.
Q.4.
Driving too fast:
Is a major cause of fatal crashes.
Can be a good way to get to your destination quickly.
Should only be done if the roadway is dry.
Is acceptable in light traffic.
Q.5.
Suspension system defects may include all of the following, except:
Cracked or broken spring hangers.
Missing or broken leaves.
Leaking shock absorbers.
Cracked lights.
Q.6.
Where is the safety relief valve usually located?
Near the rear brake
Near the front brake
In an air tank
On the dashboard
Q.7.
Front brake limiting valves were intended to:
Prevent the front tires from skidding.
Prevent the front tires from overheating.
Create equal brake usage.
Remove uncertainty when applying the brakes.
Q.8.
Cargo on flatbed trailers should be:
Tied down.
Glued down.
Left loose.
Pushed to one side.
Q.9.
Move over laws require:
Trucks to use the left lane.
All vehicles to vacate the lane closest to an emergency vehicle that is stopped with its lights flashing.
All vehicles to use the left lane.
All vehicles to move to the left lane if a flatbed trailer is in the right lane.
Q.10.
If you’re unfamiliar with the area in which you must back up, you should:
Get out of your vehicle and walk around the area to become more familiar with it.
Not use both mirrors, as that can cause too much distraction.
Wait for someone else to back up in the area so you see how they do it.
Turn on your high beam headlights.
Q.11.
The ____ tells a driver how much pressure is in the air tanks.
Application pressure gauge
Air compressor governor
Supply pressure gauge
Drum brake
Q.12.
When entering a curve, you should:
Get off the roadway.
Use the shoulder.
Downshift.
Take the vehicle out of gear.
Q.13.
Air tank drains:
Should not be used in cold weather.
Are helpful to remove water and oil from the air tanks.
Are used to move air to the brakes.
Clean the air in the passenger compartment.
Q.14.
Placards should be used:
Any time a vehicle is carrying hazardous materials.
If there is open space in the truck.
If the amount of hazardous materials in the truck exceeds 200 pounds.
If the hazardous materials create an inhalation hazard.
Q.15.
To make driving at night easier, you should:
Keep your interior light turned on.
Adjust the instrument panel lights as dimly as you can while still being able to read the gauges.
Not take a nap before driving.
Use only your low beam headlights.
Q.16.
Hanging meat as a cargo:
Creates a safe driving situation.
Creates an unstable load.
Should not be done.
Creates a low center of gravity.
Q.17.
Leaking shock absorbers:
Are normal.
Indicate a potentially dangerous defect.
Will prevent the turn signals from working.
Pose no threat if the vehicle is only driven on highways.
Q.18.
When traction is poor, a driver should accelerate slowly:
Because it is best to always accelerate very slowly.
So they do not lose control of their vehicle.
So the driver does not accelerate faster than the vehicle ahead.
To be the last vehicle through an intersection.
Q.19.
Overloading cargo can have negative effects on all of the following, except:
Steering.
Braking.
Speed control.
The electrical system.
Q.20.
When turning quickly to avoid an object in the roadway, you should:
Apply your brakes as you steer.
Give yourself extra clearance by turning more than needed to miss the object.
Turn just enough to miss the object and avoid turning more.
Steer and accelerate at the same time.
Q.21.
Escape ramps are:
Ramps to exit the interstate quickly.
Ramps connecting four-lane highways and two-lane highways.
Ramps that can be used by stop runaway vehicles on steep downhills.
Ramps that cannot be used by automobiles.
Q.22.
An example of mandatory emergency equipment is:
A supply of spare electrical fuses.
A loud horn.
A battery-operated flashlight.
A supply of fireworks.
Q.23.
The brake pedal is part of which braking system?
The service brake system
The parking brake system
The emergency brake system
The auxiliary brake system
Q.24.
Mirror adjustment can only be checked properly if:
The trailer is straight.
There is no trailer attached to the tractor.
The vehicle is on a slight incline.
The vehicle is on a slight decline.
Q.25.
If the brake pads rub against the brake drums and create too much heat:
The brakes will stick.
The brakes will become extra sensitive.
The brakes may stop working.
The air compressor will kick on to cool the brakes.
Q.26.
Tires of mismatched sizes:
Can be used only on a front axle.
Can be used only on a trailer's axles.
Should be corrected before driving.
Improve fuel economy.
Q.27.
Without securing a load on a flatbed trailer, cargo may:
Be seen by other motorists.
Shift or fall off of the trailer.
Create a glare, blinding other motorists.
Be easier to unload.
Q.28.
Rust around wheel nuts may mean:
It recently rained.
The nuts are loose.
The tires should be replaced.
The nuts are too tight.
Q.29.
How many seconds of following distance per every 10 feet of vehicle should you maintain when traveling more slowly than 40 mph?
One second
Two seconds
Three seconds
Four seconds
Q.30.
During the pre-trip vehicle inspection test:
Applicants will not have to identify the ABS.
Windshield wipers are not to be addressed.
Shock absorbers only need to be checked on one axle.
The steering box should be checked for leaks.
Q.31.
Why do drivers have to inspect their vehicles?
It is usually a company policy.
It is usually a local ordinance.
It is a federal and state law.
It adds to the amount of time for which they will be paid.
Q.32.
When inspecting a power steering-equipped vehicle, you should be sure that:
The fluid is at the proper level.
The hoses are connected to the battery.
The hoses do not contain any fluid.
Only small leaks are present.
Q.33.
What is the number one cause of death and injury in work zones?
Speeding drivers
Careless behavior by construction workers
Drivers driving too slowly
Equipment placed in the roadway
Q.34.
Laws about securing loads and regulating CMV weights may vary from state to state. During interstate travel:
The law of the state in which the trip originated takes precedence.
The law of the state the vehicle is in takes precedence.
The driver should request federal regulations to override conflicting state laws.
The driver can choose which state’s laws to follow.
Q.35.
What does ABS do?
Prevent wheel lockup
Prevent the air compressor from overheating
Prevent the front brakes from being used on ice
Prevent the brakes from being used if downshifting would be more effective
Q.36.
When you press the brake pedal in a vehicle with S-cam brakes, air pressure pushes out the rod and moves the:
Slack adjuster.
Axle.
Brake drum.
Alcohol evaporator.
Q.37.
If turning to avoid a hazard:
You should brake hard.
You should not brake as it could cause the wheels to lock.
You should turn the wheel very sharply.
You should hold down the brakes until you are past the hazard.
Q.38.
During the vehicle inspection test, you will be asked to:
Change a tire.
Explain to the examiner what you would inspect and why.
Estimate the weight of a load in a trailer.
Change a windshield wiper.
Q.39.
Which of the following is not a type of retarder?
Exhaust
Engine
Air
Electric
Q.40.
What is the purpose of a vehicle inspection report?
It tells the motor carrier about problems that may need to be fixed.
It ensures that the vehicle is inspected regularly.
It keeps drivers accountable for inspecting their vehicles.
It provides a plan for the next five trips.
Q.41.
What may happen if the exhaust system is not working properly?
Poisonous fumes may enter the cab.
Poisonous fumes may exit the rear of the muffler system.
It may prevent proper steering.
It may cause problems if the trailer is fully loaded.
Q.42.
What should a driver do if their vehicle hydroplanes?
Accelerate.
Use the brakes.
Release the accelerator and push in the clutch.
Take the vehicle out of gear.
Q.43.
To stop in a vehicle that uses air brakes, the driver should:
Pull the air brake lever.
Engage the brake lever.
Push the brake pedal down.
Pull the brake pedal up.
Q.44.
If your tractor is equipped with ABS but your trailer is not, the ABS:
Will not be effective.
Will still improve your steering control.
Will make jackknifing easier.
Will allow others to see when you brake.
Q.45.
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.46.
When traveling with cargo, the cargo should be checked:
Only before the trip.
Before the trip and after the first 50 miles.
Only by loading personnel.
Only after arriving to the final destination.
Q.47.
When looking under your vehicle's hood during a pre-trip inspection, you should:
Use the parking brakes and/or chock blocks.
Leave the vehicle in a low gear.
Remove the battery.
Disconnect the radiator.
Q.48.
Which of the following is not an indication of damaged brakes?
Cracked drums
Shoes with oil or grease on them
Shoes worn thinly
Pads free of oil or grease
Q.49.
Brake fade is a result of:
Exposure to sunlight.
Exposure to moisture.
Excessive use.
Not using the brakes enough.
Q.50.
How should you brake if your vehicle loses its ABS?
Brake normally.
Pump the brake repeatedly.
Push the brake pedal down as hard as you can.
Avoid using the brakes.
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