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Minnesota
Minnesota CDL Knowledge Test Class A 2
Answers
Q.1.
Saving money is the primary reason for conducting a pre-trip inspection.
True
False
Q.2.
Who is responsible for the safe operation of a vehicle?
The driver
The mechanic
The owner
Q.3.
A dual air brake system:
Has a single air brake system, but uses two sets of controls.
Has one air brake system for each side of the truck.
Has two brakes for each wheel.
Has two separate air brake systems, but uses a single set of controls.
Q.4.
A suspension system:
Has a weight capacity rating.
Uses pressurized water to support the load.
Can handle any weight load.
Has a minimum weight rating.
Q.5.
A cargo cover that flaps in transit:
Is acceptable.
Allows air to get to the cargo to keep it cool.
Can tear away.
Can attract birds.
Q.6.
If confronted by an aggressive driver, you should:
Make eye contact with the driver.
React to the driver's gestures.
Challenge the driver to a road race.
Ignore the driver, if possible.
Q.7.
When alley docking, your vehicle should be parked:
With the front bumper on top of the front boundary line.
With the rear wheels over the rear boundary line.
Straight within the boundaries of the parking space.
At an angle within the boundaries of the parking space.
Q.8.
Rims with welding repairs:
Are not safe to be used.
Are acceptable to be used on tires on the rear of a vehicle.
Are acceptable to be used only when carrying a heavy load.
Q.9.
When driving through a work zone, you should:
Slow down.
Speed up.
Use a cell phone.
Steer with one hand to keep the other hand free.
Q.10.
Hydroplaning:
Rarely occurs with large trucks.
Usually happens when vehicles are traveling faster than 65 mph.
Can occur with a minimal amount of water on the roadway.
Q.11.
To avoid a hazard:
You should always steer to the left.
You may be able to drive onto the shoulder.
You should steer sharply in one direction.
Q.12.
A broken exhaust system can allow poisonous gas to enter the cab.
True
False
Q.13.
While driving, your mirrors:
Should not be used.
Should only be used when changing lanes.
Should be checked regularly.
Q.14.
When traveling down a long downgrade, you should brake by:
Only using the brakes.
Mostly using the brakes and downshifting occasionally.
Downshifting and then using brakes.
Never using the brakes.
Q.15.
Some air brake systems introduce alcohol into the system to:
Make the brakes work without squeaking.
Prevent ice from forming in the brake system.
Prevent people from breathing the air from the system.
Q.16.
A distracted driver:
Usually reacts well to hazards.
Usually has slowed perception.
Is usually aware of what is happening around them.
Is a good person to follow.
Q.17.
Headlights:
Are not usually necessary when driving at night.
Provide better light than the sun.
Should be on the high beam setting whenever possible.
Should always be on the high beam setting.
Q.18.
If the safety relief valve in an air brake system is releasing air:
You should not be concerned as this is a normal process.
There is something wrong with the brakes.
The valve is operational.
Q.19.
When checking your windshield wiper blades, the blades should be:
Loose.
Sticky.
Secure.
Q.20.
Driving at night is:
Safer than driving during the day.
Just as safe as driving during the day.
More dangerous than driving during the day.
Q.21.
If being tailgated, you should open up your following distance.
True
False
Q.22.
Regulations regarding commercial vehicle weight and load securement may vary from state to state. Regarding these regulations:
The laws of the state where the trip originated take precedence.
The laws of the state in which the vehicle is physically located take precedence.
The driver can choose which state’s laws to follow.
Q.23.
If you are being tailgated while driving a large vehicle, do all of the following, except:
Reduce your speed gradually.
Increase your following distance.
Increase your speed.
Q.24.
The leading factor resulting in death and injury in work zones is:
Speeding.
Stopping.
Under-inflated tires.
Q.25.
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.26.
An underloaded front axle:
Is important for smooth steering.
Is encouraged as front axles are usually less strong than other axles.
Is discouraged as it can cause steering problems.
Is discouraged as it can improve fuel efficiency.
Q.27.
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.28.
While driving, gauges are:
Unreliable.
Unpredictable.
To be monitored for potential signs of trouble.
Q.29.
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.30.
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.31.
When doing an inspection, make sure your brake pads are:
Covered in grease.
Covered in coolant.
Covered in oil.
Free of oil and grease.
Q.32.
When pulled off on the side of the road:
A driver should keep the driver’s side door open.
A driver should turn on the emergency flashers.
The driver should wave their arms.
Q.33.
When driving, being aware of what is happening behind you is:
Not important.
Important.
Distracting.
Q.34.
To obtain a hazardous materials endorsement, a person must be:
A U.S. citizen or permanent resident.
Perform their own background check.
New to the United States.
Q.35.
In very hot weather, the air pressure in tires may decrease.
True
False
Q.36.
What eliminates alcohol from the bloodstream?
Coffee
Exercise
Time
Q.37.
Cargo on flatbed trailers should be:
Tied down.
Glued down.
Left loose.
Pushed to one side.
Q.38.
Why do large vehicles use air brakes?
Other brake systems squeak too loudly.
Air braking systems are very effective.
Air brakes are complicated.
Air is free.
Q.39.
Excessive vibration may be a sign of tire failure.
True
False
Q.40.
Header boards:
Provide extra storage.
Protect the driver from being hit by cargo.
Have no benefits.
Q.41.
When changing lanes:
You should not use your mirrors.
You should use your mirrors.
You should not use your turn signals.
Q.42.
Which of the following is not a strategy to avoid becoming an aggressive driver?
Not expecting delays on a drive
Maintaining a reasonable following distance
Keeping your hands on the wheel
Avoiding gesturing at other drivers
Q.43.
Of the following, which is the most slippery surface?
Ice that is dry
Ice that is wet
Wet pavement
Q.44.
When checking your tires during a pre-trip inspection, you should look for all of the following, except:
Improper air pressure.
Cuts.
Valve stems without caps.
Mismatched tire sizes.
Q.45.
If equipped, a header board should:
Be damaged.
Be loose.
Be strong enough to contain cargo.
Light up when the engine is started.
Q.46.
When driving on a long downhill slope, you should brake by:
Only using the brakes.
Mostly using the brakes and occasionally downshifting.
Downshifting and then using the brakes.
Q.47.
If you are being tailgated, you should:
Drive on the shoulder.
Pull off the roadway.
Drive faster.
Allow the vehicle to pass.
Q.48.
A stopped bus:
Is not a cause for concern.
Is not a concern if passengers are not unloading.
Should not be on the roadway.
Is a concern, whether passengers are visible or not.
Q.49.
An Anti-Lock Braking System (ABS) will:
Shorten your stopping distance.
Not change the way you apply the brakes.
Allow you to drive faster.
Q.50.
Using an Anti-Lock Braking System (ABS):
Shortens stopping distance.
Shortens brake response time.
Provides less control.
Provides more control.
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