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Wisconsin
Wisconsin CDL Knowledge Test Class B 1
Answers
Q.1.
What is tire load?
The maximum air pressure of a specific tire
The maximum safe weight that a tire can carry at a specified pressure
The minimum safe weight that can be carried by a tire
The average weight of tires on a vehicle
Q.2.
A vehicle equipped with an Anti-Lock Braking System (ABS) uses a ____ light to warn that the system is not working properly.
Green
Yellow
Orange
White
Q.3.
When parking, you should not use the parking brake if:
The brakes are very hot.
The brakes are very cold.
There is snow on the ground.
Q.4.
If a load is 40 feet long, it should be secured by at least ____ tie-downs.
Two
Three
Four
Q.5.
Which factor does not have an impact on a person’s blood alcohol concentration (BAC)?
The number of alcoholic drinks consumed
How quickly the alcoholic drinks were consumed
The weight of the drinker
The temperature of the drinks
Q.6.
All air tanks must include:
A drain valve.
A lock.
A trap door.
A warning sticker.
Q.7.
To check the automatic transmission fluid level in some vehicles, you will have to:
Park your vehicle uphill.
Park your vehicle downhill.
Leave the vehicle running.
Q.8.
Before beginning downhill, you should:
Shift into a higher gear.
Take your vehicle out of gear.
Shift into a lower gear.
Rely only on braking to reduce your speed.
Q.9.
When nearing a construction worker who is close to the road, you should:
Increase your speed.
Decrease your speed.
Not drive in any lane.
Wait until the construction is complete before proceeding.
Q.10.
Spring brakes come on:
When too much air pressure is lost.
When a control on the dashboard is activated.
When the tires have minimal tread depth.
When the brakes are noisy.
Q.11.
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.12.
You should cover cargo:
To protect the cargo from thieves.
To protect the cargo from weather.
To prevent other drivers from looking at what is being transported.
To keep the cargo a secret.
Q.13.
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.14.
If you identify a distracted driver on the road, you should:
Follow their vehicle closely.
Try to get their attention.
Give them plenty of room.
Flash your lights at them.
Q.15.
Backing with a trailer is dangerous because:
It is difficult to see behind the vehicle.
Most trucks do not have the ability to move in reverse.
Cargo may fall out of the trailer.
There may be extra weight in the front of the trailer.
Q.16.
If you must drive in reverse, it is helpful to:
Drive as fast as possible and get it over with.
First exit the truck and walk the path to look for obstacles.
Use only the passenger side mirror.
Stick your head out the window and look backward.
Q.17.
Friction in an S-cam brake is caused when the brake shoes and linings:
Press against the outside of the brake drum.
Press against the inside of the brake drum.
Push against each other.
Q.18.
Which of the following is a good rule to follow when making a turn?
Honk your horn.
Use your arms to get the attention of other drivers.
Turn off your turn signal before entering the turn to avoid confusing other drivers.
Signal early.
Q.19.
Blocking is used to:
Prevent cargo from shifting.
Prevent cargo from being loaded too high.
Prevent cargo from being unloaded too quickly.
Q.20.
When encountering a railroad crossing during the driving test, you should:
Pass another vehicle on the tracks if the other vehicle is moving too slowly.
Change lanes while on the tracks.
Not change gears while on the tracks.
Q.21.
Rust around wheel nuts may mean:
It has rained recently.
The nuts could be loose.
The tires should be replaced.
Q.22.
During the driving test, the examiner will be scoring you on:
How well-spoken you are.
How quickly you arrive to your destination.
General driving behavior.
Q.23.
When you leave your vehicle, you should:
Apply the parking brake.
Apply the air brake.
Not apply any brake.
Leave the door open.
Q.24.
When starting from a complete stop, a vehicle should:
Jerk forward.
Roll backwards.
Not move backwards.
Q.25.
Which of the following may result in an applicant being denied a hazardous materials endorsement?
They are considered a security threat by the Transportation Security Administration (TSA).
They are a lawful U.S. citizen.
They work for a foreign company.
They do not have perfect vision.
Q.26.
If there are no warning gates or lights at a railroad crossing, you should:
Not worry because the tracks are likely abandoned.
Park your vehicle and walk up to the tracks to determine if a train is approaching.
Look down the tracks in both directions to ensure that no trains are approaching.
Do whatever surrounding vehicles are doing.
Q.27.
If you are unsure if there is enough space for your vehicle to safely pass under an upcoming bridge, you should:
Increase your speed.
Swerve as you pass under the bridge.
Slow down.
Drive on the shoulder.
Q.28.
Multi-speed axles and auxiliary transmissions are used:
To make a vehicle run more smoothly.
To provide extra gears.
To get improved gas mileage.
To make a vehicle less noisy.
Q.29.
If mirrors are dirty before starting a trip:
They will likely become clean after driving a short distance.
It should not be a concern.
They should be cleaned before the vehicle is driven.
Q.30.
Blocking a load:
Is dangerous and should never be done.
Helps stabilize the load.
Is only done with liquids.
Can only be done in dry weather.
Q.31.
If the spring brakes are on, you should:
Not use the brake pedal.
Press the accelerator.
Move the steering wheel.
Q.32.
When traveling long distances, you should:
Take rest breaks.
Drive as fast as possible.
Drive through the night.
Q.33.
In general, the legal maximum width of a vehicle and load is:
5 feet
6 feet
8 feet 6 inches
12 feet
Q.34.
When operating a vehicle with a dual brake system, a driver should:
Let the vehicle warm up before driving to ensure that fuel reaches the engine.
Wait to begin driving until the air compressor builds up a minimum pressure of 100 psi in both the primary and secondary systems.
Begin driving just after the vehicle starts.
Pump the pedal about 20 times to build pressure, then begin driving.
Q.35.
Hanging meat in a refrigerated truck:
Is a good way for inexperienced drivers to gain experience.
Requires a skilled driver.
Is illegal in most states.
Q.36.
When the brake pedal is pushed down, air brakes work:
Immediately.
After a short delay.
After about a minute.
Only if it is warm outside.
Q.37.
After an accident, flares should be used with caution because:
There may be fuel spilled on the ground that could catch fire.
Other drivers may not see the flares if the weather is sunny.
Flares are expensive.
Q.38.
Drivers trapped behind a slow-moving vehicle often:
Follow the vehicle too closely.
Allow the vehicle plenty of space.
Are happy with the speed of travel.
Q.39.
Backing with a trailer is dangerous because:
It is difficult to see behind the vehicle.
Most trucks do not have the ability to move in reverse.
Cargo may fall out of the trailer.
Q.40.
When a tire goes flat, you may hear a loud bang. The truck will be affected:
Immediately.
After a short delay.
Only if the damaged tire is near the front of the truck.
Only if the truck is hauling a load.
Q.41.
Air tank drains:
Allow rain water to enter the tanks.
Are used to drain water and oil from the tanks.
Should never be opened.
Must remain open while driving.
Q.42.
Eating while driving:
Is a good way to maximize your time.
Is encouraged during long trips.
Is a distraction to the driver.
Q.43.
To avoid a collision with a hazard on the roadway:
You should always try to stop.
Swerving may be a safer option than stopping.
You should never swerve.
Q.44.
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.45.
Joggers who are wearing headsets:
Are usually aware of what is happening around them.
May not be aware of what is happening around them.
Can clearly hear sounds of traffic.
Usually don’t have music playing.
Q.46.
Improperly loaded cargo can:
Look bad to others on the road.
Injure the driver during a quick stop.
Make it easier to stop.
Aid in safety.
Q.47.
How is the parking brake released?
By tapping the brake pedal three times
By pushing in the brake control knob
By starting the vehicle
By tapping the accelerator twice
Q.48.
If another driver is tailgating you, you should:
Move into the left lane.
Speed up.
Increase the distance between you and the vehicle ahead.
Q.49.
On any upgrade, gravity will:
Speed your vehicle up.
Slow your vehicle down.
Not impact your speed.
Q.50.
Most heavy trucks with manual transmissions require ____ to change gears.
Single clutching
Double clutching
Triple clutching
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