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Nebraska
Nebraska CDL Knowledge Test Class B 1
Answers
Q.1.
In a dual air brake system, a leak in one system:
Always means there are leaks in both systems.
May not affect the other system.
Is not something to worry about.
Will also affect the other system.
Q.2.
When carrying a sealed load, a driver:
Should unseal the load to ensure safety.
Should ensure the weight does not exceed weight limits.
Must go through the container before driving.
Q.3.
Distracted driving:
Is not a concern.
Only occurs as a result of people who are physically doing something while driving.
Can occur as a result of mental activities, such as daydreaming.
Is encouraged on uncrowded roads.
Q.4.
When starting a trip while transporting a load, the driver should:
Stop to check on the cargo within the first 50 miles of the trip.
Drive faster than usual to test the security of the load.
Only use the side mirrors to check on the cargo.
Not recheck the cargo if it was secured properly before starting the trip.
Q.5.
If convicted of any traffic violations, excluding parking violations, you must:
Notify your employer within 30 days.
Place a sign on the back of your vehicle noting the conviction.
Forfeit your CDL for six months.
Q.6.
A truck may need to be under the legal maximum weight limit when being driven:
On a flat road.
On a mountainous road.
In heavy traffic.
At night.
Q.7.
What is a Gross Vehicle Weight Rating?
The maximum weight stated by the manufacturer as the loaded weight of a single vehicle
The maximum weight that can be pulled by a single vehicle
The minimum weight that can be hauled by a single vehicle
The maximum amount that can be loaded onto a single trailer
Q.8.
Do not base your decision to shift gears on:
The speed of your engine (rpm).
The speed of the road (mph).
The actions of the vehicle next to you.
Q.9.
Most heavy trucks with manual transmissions require ____ to change gears.
Single clutching
Double clutching
Triple clutching
Quadruple clutching
Q.10.
Which of the following surfaces provides the least amount of traction?
Ice that is dry
Ice that is wet
Wet pavement
Dry pavement
Q.11.
What is the minimum number of tie-downs required to secure a 10-foot piece of cargo?
One
Two
Three
Q.12.
How soon after starting a trip must cargo securement be checked?
After 50 miles
After 100 miles
After 250 miles
Q.13.
What is Gross Vehicle Weight (GVW)?
The total weight of a vehicle and its cargo
The total weight of a vehicle before cargo
The total weight of cargo
The maximum weight allowed to be transported by a vehicle
Q.14.
How can a person check for a leak in hydraulic brakes?
Pump the brake pedal three times and hold the pedal for five seconds. If the pedal moves, there may be a problem.
Push the brake pedal down as far as possible and let go. If the brake pedal returns to its normal position, there may be a problem.
Push the brake pedal down as far as possible and let go. If the brake makes a squeak, there may be a problem.
Remove the rear wheel and listen for a noise when the brake pedal is depressed.
Q.15.
A rear tire with a tread depth of 1/32 an inch is acceptable.
True
False
Q.16.
If you have an engine fire, you should:
Open the hood as soon as possible.
Turn off the engine as soon as possible.
Not use a fire extinguisher.
Q.17.
When entering traffic on an expressway during the skills test, you should:
Check for traffic.
Not use signals.
Abruptly enter a lane of traffic.
Cut off other drivers if needed.
Q.18.
Air tank drains:
Allow rain water to enter air tanks.
Are used to drain water and oil from air tanks.
Should never be opened.
Must remain open while driving.
Q.19.
If your vehicle is hydroplaning, you should:
Accelerate.
Not use the brakes.
Put the vehicle in reverse.
Q.20.
Dual tires should:
Not both be in contact with the road surface.
Not touch one another.
Be different sizes from one another.
Q.21.
Which of the following is not an example of a distracted person that motorists should be worried about?
A person talking to another person in their vehicle
A child on the side of the road
A construction worker on the side of the road
A person sitting on a bench waiting for a bus
Q.22.
Accelerating roughly is:
Encouraged at slow speeds.
Encouraged at all speeds.
Discouraged, as it may cause damage to the vehicle.
Discouraged, as it may confuse other drivers.
Q.23.
Three red reflective triangles should be carried within the vehicle
True
False
Q.24.
The service brake system:
Applies and releases the brakes when you press the brake pedal while driving normally.
Applies and releases the parking brakes.
Applies and releases the emergency brake.
Applies and releases the axle brake.
Q.25.
Extremely hot temperatures can cause:
Tire failure.
A trailer to disengage.
Lights to malfunction.
Increased gas mileage.
Q.26.
Black ice is usually very thick.
True
False
Q.27.
When crossing railroad tracks, you should:
Stop on the tracks.
Change gears.
Try to pass.
Stay in your lane.
Q.28.
A fatigued driver:
Is usually extra alert.
Is usually more conscientious than a typical driver.
May be slower to make critical decisions than a typical driver.
Q.29.
Brakes out of adjustment will:
Work properly.
Cause some of the brakes to overwork and malfunction.
Allow better acceleration.
Q.30.
If an aggressive driver is involved in a crash on the road ahead of you, you should:
Block the driver in with your vehicle.
Stop after the crash scene and report the driver’s aggressive behavior to the police.
Continue driving and mind your own business.
Pull over and yell at the driver.
Q.31.
If your vehicle is hydroplaning, you should:
Speed up.
Not apply the brakes.
Put the vehicle in reverse.
Turn the steering wheel as hard as possible.
Q.32.
The heavier the vehicle:
The less important the brakes become.
The harder the brakes need to work.
The quieter the brakes will sound.
Q.33.
The steering wheel should be:
Held with both hands.
Held by one hand to allow for other tasks, such as eating and drinking.
Held by one hand at a time, alternating between hands.
Cracked to allow for an improved grip.
Q.34.
Vehicles driving behind a truck:
May have difficulty seeing objects in front of the truck.
Often have a great view of the roadway in front of them.
Do not need to signal.
Q.35.
When driving, you should stop every ____ to take a break to avoid becoming too tired.
Half hour
Two hours
Six hours
Q.36.
If involved in an accident, which of the following is not recommended?
Trying to move your vehicle to the side of the road
Caring for the injured
Driving away from the scene
Q.37.
When it is difficult for others to see your vehicle, such as at dawn or dusk, you can help other drivers by:
Keeping your lights off.
Turning your lights on.
Driving on the shoulder.
Waving an arm out the window.
Q.38.
When transporting cargo, you should:
Accelerate quickly.
Check the load and securing devices after driving for no more than 50 miles.
Not use your mirrors to look behind your vehicle.
Keep a cell phone in your hand, in case of an emergency.
Q.39.
Air storage tanks:
Are not allowed on a vehicle.
Hold compressed air for the brakes.
Should be drained of excess air after every trip.
Q.40.
When carrying a wide load, a driver should:
Drive as fast as possible.
Obtain special permits and follow special rules, such as driving only during certain times.
Honk at other drivers to get them to move from the nearest lane.
Drive on the shoulder.
Q.41.
When adjusting your mirrors before a trip:
No part of your vehicle should be visible in any mirror.
Part of your vehicle should be visible in the mirrors.
More than half of each mirror should show the vehicle.
Q.42.
To determine if a vehicle can handle a load, you must know:
The vehicle’s suspension rating.
The tire rating for the front tires only.
The tire rating for the rear tires only.
Q.43.
During the driving test, the examiner will be scoring you on:
Attitude.
How quickly you arrive to your destination.
Your general driving behavior.
Q.44.
If you plan to transport hazardous materials, you must pass which endorsement test?
Tank
Hazardous materials
Passengers
Q.45.
When stopping, the brake pedal:
Should be pressed down quickly.
Should be pressed down gradually.
Should be lifted up quickly.
Should be lifted up gradually.
Q.46.
If you are convicted of a traffic violation:
The State will inform your employer.
You must tell your employer.
You must tell the shipper.
Q.47.
Which of the following is not an indicator of when to change gears?
Engine speed (rpm)
Road speed (mph)
The speed of the vehicle next to you
Q.48.
If air pressure drops to a level between ____, a visual low pressure warning signal should have already activated.
55 and 75 psi.
80 and 95 psi.
65 and 100 psi.
Q.49.
Poisonous fumes can enter the cab due to:
A defective exhaust system.
The wrong type of fuel being used.
A lack of oil in the engine.
Under-inflated tires.
Q.50.
Why should the steps of a pre-trip inspection be done in the same order each time?
Because you will be less likely to forget to check something
Because it will be faster
Because it is required by law
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