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South Dakota
South Dakota CDL Knowledge Test Class A 2
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Q.1
Submit
Emergency brakes are:
Not required on trucks.
Only required on trailers.
Required on tractors.
Only required when transporting hazardous materials.
Q.2
Submit
Bridges usually freeze:
Only once temperatures drop significantly below 32 degrees Fahrenheit.
After all other surfaces.
Before other surfaces.
Q.3
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If there is a fire in your vehicle, you should not:
Park in an area away from buildings, trees, brush, and other vehicles.
Pull into a service station.
Notify emergency services of your problem and your location.
Q.4
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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.5
Submit
When braking with ABS, you should:
Pump the brake pedal.
Brake normally.
Brake harder than you would with a different braking system.
Q.6
Submit
When making a tight maneuver, you should:
Not use your mirrors, as they can be distracting.
Use your mirrors, but not too frequently.
Use your mirrors frequently.
Q.7
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When backing up, follow a turning trailer by:
Changing nothing. The vehicle will naturally follow the trailer.
Changing the direction of the steering wheel.
Turning the steering wheel even harder in the direction that it is already turning.
Q.8
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Which of the following vehicles is not exempted in requiring the driver to hold a CDL?
A military vehicle
A school bus
An emergency vehicle
Q.9
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If you are experiencing an engine fire, you should:
Open the hood as soon as possible.
Turn off the engine.
Never use a fire extinguisher.
Turn on the heater.
Q.10
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Loading cargo:
Must be done by the driver.
Can be done by a second person who is responsible for the safety of the cargo.
Can be done by a second person, but the driver is responsible for the safety of the cargo.
Must be done by a person from the shipping company.
Q.11
Submit
When an engine is running, an acceptable oil pressure would be:
10 psi.
50 psi.
110 psi.
Q.12
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Heights posted at bridges:
Are always accurate.
Are legally binding.
Can be incorrect.
Q.13
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A steering wheel should be:
Held with one hand while the other hand rests.
Held with both hands to ensure an adequate grip.
Released if the vehicle is approaching a bump.
Q.14
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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.15
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While driving, ____ generally holds spring brakes in place.
Air pressure
Electricity
Gasoline
Q.16
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When driving, it is important that you:
Develop plans to get out of potentially dangerous situations.
Enjoy the scenery.
Turn your head all the way around rather than use mirrors.
Q.17
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During a basic vehicle control skills test, a look is when:
A driver checks the gauges on their instrument panel.
A driver checks their blind spots.
A driver walks to the back of their vehicle to check its position.
Q.18
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Steering wheel play of more than ____ can make steering difficult.
10 degrees
25 degrees
50 degrees
Q.19
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Parked delivery trucks may be hazardous because:
The trucks are often shiny.
People are often in a hurry when exiting such trucks and may not look for other vehicles.
Packages often fall out of the trucks and into the road.
Q.20
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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.21
Submit
If the coolant temperature gauge goes above the highest safe temperature, you should:
Continue to drive.
Pull over and figure out what's wrong.
Run the air conditioner.
Q.22
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You must have an air brake endorsement:
To use a vehicle with air brakes.
To drive any truck with a trailer.
To transport hazardous materials.
Q.23
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What kind of force do emergency brakes use?
Air pressure
Mechanical
Heavy
Q.24
Submit
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.25
Submit
In order to receive a hazardous materials endorsement, a person must complete all of the following, except:
A HazMat knowledge test.
An FBI fingerprint check.
A CIA intelligence check.
Q.26
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If planning to back a vehicle where there may be overhanging objects, a driver should:
Cut wires or branches as necessary.
Inspect the area before backing.
Not worry about the obstacles.
Q.27
Submit
When loading a trailer, weight should be:
Placed as high as possible.
Placed as low as possible.
Placed as far to the left as possible.
Q.28
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When switching gears, what happens if you remain in neutral for too long?
The vehicle will speed up.
You may have trouble getting the vehicle into the next gear.
You may kill the engine.
The vehicle will be difficult to stop.
Q.29
Submit
If driving a truck that requires a CDL for operation:
You do not need to wear a seat belt.
You are required to wear a seat belt, but only if transporting more than 500 pounds of cargo.
You are always required to wear a seat belt.
You are only required to wear a seat belt when driving a tank trailer.
Q.30
Submit
An Anti-Lock Braking System (ABS):
Decreases your braking distance.
Increases your braking distance.
Creates a loud squeaking noise when being used.
Helps to ensure control while braking.
Q.31
Submit
You may be denied a HazMat endorsement if:
You are a lawful resident of the United States.
You have renounced your United States citizenship.
You have only been convicted of misdemeanors.
You do not suffer from a mental illness.
Q.32
Submit
Distracted driving:
Always comes as a result of physical distraction, not mental distraction.
Can be elevated by pre-programming radio stations.
Can be avoided by eating while driving.
Can be avoided by not engaging in complex conversations while driving.
Q.33
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While driving downhill, you should brake until you reach a speed that is ____ below your safe speed, then release the brake pedal.
5 mph
10 mph
15 mph
20 mph
Q.34
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A driver should stop after a short distance after changing a tire to:
Ensure that the wheel nuts are tight on the newly-changed tire.
Ensure that there is still enough air pressure in the tire.
Ensure that the correct tire was changed.
Ensure that changing one tire did not damage another tire.
Q.35
Submit
Hanging meat:
Should never be transported by trailer.
Can be an unstable load.
Must be approved by the Environmental Protection Agency (EPA).
Q.36
Submit
During the pre-trip inspection test, you will be:
Expected to explain your knowledge of the pre-trip process.
Watching someone else check your vehicle.
Watching a film on how to inspect a vehicle.
Changing all the tires on your vehicle.
Q.37
Submit
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.38
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If you don't know if there is enough space for your vehicle to pass under a bridge, you should:
Speed up.
Swerve back and forth.
Slow down.
Drive on the shoulder.
Q.39
Submit
When entering a foggy area, you should:
Stop on the side of the roadway.
Pass other vehicles.
Slow down.
Use your high beam headlights.
Q.40
Submit
Hydraulic brakes can fail due to:
A loss of pressure.
Cold weather.
Driving uphill for long periods of time.
Grooves in the roadway.
Q.41
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During the straight line backing exercise, how many times are you permitted to exit the vehicle to check its position?
One time
Two times
Three times
Four times
Q.42
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What kind of brakes do most newer heavy-duty trucks use?
Single air brakes
Dual air brakes
Triple air brakes
Q.43
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If feeling tired and frequently yawning, you should:
Press on and continue driving.
Get some coffee.
Drive faster.
Pull over and take a nap.
Q.44
Submit
If you are confronted by an aggressive driver, you should:
Make eye contact.
Ignore their gestures.
Try to race.
Q.45
Submit
Emergency equipment in a vehicle is:
Only required for vehicles that are transporting hazardous materials.
Only required during interstate travel.
Required.
Q.46
Submit
After the engine is started, warning lights and buzzers should all:
Stay on.
Flicker occasionally.
Turn off right away.
Turn off once the vehicle begins moving.
Q.47
Submit
Alcohol begins to affect the body:
After only one drink.
After several drinks have been consumed.
At the legal limit.
Q.48
Submit
On slippery roads, you should:
Accelerate and slow down frequently.
Adjust your driving to match weather conditions.
Tailgate other vehicles.
Q.49
Submit
Which of the following is not a problem?
Loose or broken exhaust pipes
Loose or broken mounting brackets
Exhaust parts rubbing against fuel system parts
Exhaust system parts that are not leaking
Q.50
Submit
Wheels with welding repairs are:
Safe to be used if the repairs were done by a professional.
Safe to be used if the repair seems solid.
Not safe to be used.
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