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Minnesota
Minnesota CDL Knowledge Test Class B 1
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Q.1
Submit
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.2
Submit
Drivers often tailgate trucks in bad weather.
True
False
Q.3
Submit
Which part of the truck is the air compressor connected to?
The transmission
The engine
The radiator
The door latch
Q.4
Submit
If driving so slowly that you could impede other drivers, you should:
Stay in the left lane.
Drive while using your four-way flashers.
Wave an arm out the window.
Q.5
Submit
Air brakes use ____ to function.
Compressed air
Liquid nitrogen
Carbon dioxide
Q.6
Submit
Which of the following can help you determine when to upshift?
Road speed
Engine speed
Both of the above
None of the above
Q.7
Submit
Convex mirrors:
Cannot be used on vehicles transporting hazardous materials.
Are illegal in most states.
Can help drivers see a larger area.
Q.8
Submit
During a basic vehicle control skills test, what is considered an encroachment?
The vehicle crossing over an exercise boundary line.
A driver executing a single pull-up.
A driver placing the vehicle in neutral and applying the parking brake.
The vehicle stalling while the driver shifts gears.
Q.9
Submit
During a basic vehicle control skills test, what is considered an encroachment?
A driver placing the vehicle in neutral and applying the parking brake.
The vehicle touching an exercise boundary line.
A driver properly completing an exercise in the skills test.
An applicant trying to bribe the examiner.
Q.10
Submit
If the low air pressure warning signal comes on, you should:
Continue driving, but have the brakes repaired within a week.
Pull over and inspect the brakes.
Phone a mechanic while driving.
Q.11
Submit
What happens when a vehicle hydroplanes?
The tires lose contact with the road.
The tires have extra traction.
The vehicle is easier to control.
The vehicle becomes heavier.
Q.12
Submit
There is no penalty for refusing to undergo blood alcohol testing.
True
False
Q.13
Submit
If a CMV driver operates a CMV with a detectable blood alcohol concentration (BAC) that is lower than 0.04 percent, they will be:
Told to stop drinking.
Put out-of-service for 24 hours.
Required to drive at speeds below 55 mph.
Told to drive home.
Q.14
Submit
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.15
Submit
Header boards:
Should never be used.
Protect the driver from being hit by cargo.
Protect the driver's head when entering the cab of a truck.
Q.16
Submit
How should you check your hydraulic brakes?
Pump the brakes three times, then apply firm pressure to the brake pedal for five seconds. The brake pedal should not move.
Pump the brakes three times, then apply firm pressure to the brake pedal for five seconds. The brake pedal should slowly move toward the floor.
Pump the brakes three times, then apply firm pressure to the brake pedal for five seconds. The brake pedal should slowly rise.
Pump the brakes three times, then apply firm pressure to the brake pedal for five seconds. The brake pedal should be easy to push to the floor.
Q.17
Submit
On low bridges:
Height warnings must be posted at least twice.
Height warnings must always be posted.
Height warnings may be posted, but do not have to be.
Q.18
Submit
When carrying a wide load, you should:
Drive as fast as possible.
Obtain special permits and follow special rules, such as driving during certain hours.
Honk at other drivers to get them to move from the lane closest to you.
Drive on the shoulder.
Q.19
Submit
When traveling long distances, you should:
Take rest breaks.
Drive as fast as possible.
Drive through the night.
Q.20
Submit
____ are the most likely to be affected by strong winds.
Light vehicles
Heavy vehicles
Vehicles with open windows
Q.21
Submit
If an Anti-Lock Braking System (ABS) malfunctions:
The driver will not know.
A yellow lamp will light up on the control panel.
The brakes will lock up.
The brakes will not work.
Q.22
Submit
In a vehicle with dual parking control valves, once air pressure is lost and the spring brakes come on:
You will be unable to move the vehicle.
A separate air tank can be used to release the spring brakes for a short period of time.
You can use the spring brakes to continue driving normally.
The air tanks will automatically refill to a safe air pressure level.
Q.23
Submit
In an emergency situation, you should:
Always respond by stopping.
Not always respond by stopping.
Never respond by swerving.
Always turn on your flashers to warn other drivers.
Q.24
Submit
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.25
Submit
When starting a CMV, the oil pressure gauge should take about a minute to display a normal pressure level.
True
False
Q.26
Submit
When driving a 50-foot truck at 50 mph, you should maintain a following distance of at least:
Four seconds.
Five seconds.
Six seconds.
Eight seconds.
Q.27
Submit
How much water is needed on a road surface for a vehicle to hydroplane?
Usually several inches
A good amount, such as a large puddle
A small amount
No water
Q.28
Submit
If a load is 10 feet long, it should be secured by a minimum of:
One tie-down.
Two tie-downs.
Three tie-downs.
Q.29
Submit
What should be used to check for proper tire inflation?
A tire gauge
A tire iron
An air compressor
A lug nut
Q.30
Submit
If you’re not sure what to do to extinguish a fire in your vehicle, you should:
Use water.
Stay inside the vehicle.
Wait for the firefighters.
Q.31
Submit
You should always be able to stop within:
10 feet of your vehicle.
1,000 feet of your vehicle.
Your view of the road ahead.
30 seconds of hitting the brakes.
Q.32
Submit
A steering wheel should be held:
With both hands.
With one hand, keeping the other hand free for other tasks.
With one hand at a time, alternating between hands.
At the base of the wheel.
Q.33
Submit
If driving so slowly that you could impede other drivers, you should:
Drive in the left lane.
Drive while using your four-way flashers.
Drive without using any lights.
Q.34
Submit
Which of the following is not a crime that would disqualify an applicant from a hazardous materials endorsement?
Kidnapping
Smuggling
Immigration violations
Speeding
Q.35
Submit
How can you check hydraulic brakes?
Pump the brake pedal three times then apply firm pressure to the pedal for five seconds. The brake pedal should not move.
Pump the brake pedal three times then apply firm pressure to the pedal for five seconds. The brake pedal should move slowly toward the floor.
Pump the brake pedal three times then apply firm pressure to the pedal for five seconds. The brake pedal should slowly rise.
Q.36
Submit
On a flatbed trailer, a load does not need to be tied down if it is heavy enough.
True
False
Q.37
Submit
To ensure that you do not slow down traffic when driving a large truck, you should:
Switch gears while driving uphill.
Try to pass another vehicle while driving uphill.
Stay in the right lane whenever possible.
Q.38
Submit
Of the following, which is not a recommended way to spot potential signs of trouble?
Watching the gauges
Using your senses
Checking critical items only at the beginning and end of a trip
Q.39
Submit
If federal inspectors judge your vehicle to be unsafe, they can:
Bring you to a garage to have your vehicle fixed.
Formerly request that you have your vehicle's problems fixed.
Call a mechanic.
Pull the vehicle out-of-service until it is fixed.
Q.40
Submit
If you must stop on the side of a highway, how far behind your vehicle should warning devices be placed?
5, 15, and 30 feet
10, 25, and 50 feet
10, 100, and 200 feet
100, 200, and 500 feet
Q.41
Submit
What does the vehicle inspection report do?
Inform the motor carrier about problems that may need fixing
Ensure that the vehicle is inspected regularly
Keep people accountable for inspecting the vehicle
Q.42
Submit
When checking tires, finding which of the following is not a cause for concern?
Too much air pressure
Tread of at least 4/32 of an inch in the grooves on front tires
Radial and bias-ply tires used together
Q.43
Submit
As part of the vehicle inspection test, a CDL applicant may be asked to:
Check the engine oil level.
Replace a tire.
Remove the alternator belt.
Replace spark plugs.
Q.44
Submit
Fuel records supporting IFTA quarterly fuel use tax returns must be kept by carriers for:
One year.
Two years.
Three years.
Four years.
Q.45
Submit
Excessive vibration may be a sign of tire failure.
True
False
Q.46
Submit
When stopping, the brake pedal should be:
Pressed down quickly with both feet.
Pressed down gradually.
Lifted up quickly.
Q.47
Submit
When completing pre-trip inspections:
The inspections should be done the same way each time.
Different items should be checked each time.
It is acceptable to check items in a different order each time.
Not every item needs to be inspected each time.
Q.48
Submit
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.49
Submit
Texting while driving is:
Allowed if you are contacting your employer.
Allowed when driving on rural roads.
Not allowed.
Q.50
Submit
Mirrors should be:
Checked only when changing lanes.
Checked frequently.
Checked only if there is a reason to suspect a problem.
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