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Driving Test
Oklahoma
Oklahoma CDL Knowledge Test Class A 1
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Q.1
Submit
If an aggressive driver is involved in a crash down the road, you should:
Pull over and yell at them.
Stop after the crash scene and report the other driver’s behavior to police.
Block the driver in with your vehicle.
Q.2
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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.3
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____ is an example of required emergency equipment.
A spare electrical fuse
A loud horn
A battery-operated flashlight
Q.4
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A poor balance of weight in a trailer:
Can make handling unsafe.
Improves traction.
Increases fuel efficiency.
Q.5
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A vehicle that is smaller than your vehicle:
Will usually be able to stop faster than your vehicle.
Will usually take more time to stop than your vehicle.
Will take about the same amount of time to stop as your vehicle.
Q.6
Submit
When starting an engine as part of a pre-trip inspection, the driver should:
Listen for unusual noises.
Place the engine in first gear.
Turn on the heater.
Q.7
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What is often found in compressed air?
Water
Cardboard
Brake fluid
Q.8
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When driving, you should stop every ____ to take a break to avoid becoming too tired.
Half hour
Two hours
Six hours
Q.9
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You may be an aggressive driver if you:
Expect delays on your drive.
Slow down and maintain a reasonable following distance.
Make hand gestures that could anger other drivers.
Q.10
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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.11
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Applicants seeking a hazardous materials endorsement must pass a threat assessment through which agency?
The TSA
The FBI
The CIA
Q.12
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When drivers turn, they usually:
Look in the direction of the turn.
Look in the direction opposite the turn.
Look behind their vehicles.
Q.13
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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.14
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When backing with a trailer, you should begin by:
Turning the steering wheel in the direction of the turn.
Turning the steering wheel in the direction opposite of the turn.
Turning the wheel as sharply as possible.
Q.15
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The rods in S-cam brakes move the slack adjusters when air pressure is added to the brake chambers. This air pressure is added to the chambers when the driver:
Presses the brake pedal.
Uses the emergency brake.
Uses the trailer hand valve.
Q.16
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As part of a pre-trip inspection, you should look for all of the following, except:
Tires with too much air pressure.
Tires with too much wear.
Tires made by different manufacturers.
Q.17
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When leaving a vehicle unattended, a driver should:
Always set the parking brake.
Only set the parking brake if the vehicle is parked on a slope.
Deflate the tires by 10 percent.
Q.18
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Who is responsible for ensuring cargo is loaded properly?
The driver
The shipper
The recipient
Q.19
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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.20
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A safety valve is set to open at ____ pounds per square inch (psi).
100
150
200
Q.21
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Why should you regularly drain the air tanks?
Because the air gets old and needs to be replaced
Because compressed air contains some water and the water collects in the tanks
To allow for a change in pressure
Q.22
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When checking your tires as part of the pre-trip inspection, you should look at the:
Tire pressure.
Tire color.
Tire manufacturer.
Q.23
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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.24
Submit
In a vehicle with dual parking control valves, a separate air tank can be used:
To make the air brakes work more effectively.
To temporarily release the spring brakes.
To charge the brakes on the rear trailer.
Q.25
Submit
When conducting a pre-drive inspection:
The inspection report is not important.
The inspection report must only be reviewed if there will be passengers in the vehicle.
The previous inspection report should be reviewed, if applicable.
Q.26
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Roads are especially slippery right after it begins to rain because:
The water mixes with oil and grease on the road.
Tires are not made to drive in wet weather.
The water yet hasn't absorbed the dirt and grease.
Q.27
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When traveling down a steep downgrade:
The air brakes should be used.
The vehicle should be placed in a low gear and the driver should use engine braking.
The driver should continually downshift instead of using the brakes.
Q.28
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In very hot weather, tires should be checked regularly because:
They may melt.
Air pressure may increase with the temperature.
The tread wears down more quickly than in cooler weather.
Q.29
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A truck should be parked:
So that it must be backed up to leave the space.
So that it can be pulled forward to leave the space.
On the grass.
Q.30
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When driving, it is important to:
Avoid using your mirrors while in heavy traffic.
Look only to the front and right side of the vehicle.
Look to the front, sides, and rear of the vehicle.
Q.31
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Brakes out of adjustment will:
Work properly.
Cause some of the brakes to overwork and malfunction.
Allow better acceleration.
Q.32
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Escape ramps are ramps that can be used:
Only by automobiles, not trucks.
To leave the highway and enter a two-lane highway.
To stop runaway vehicles on steep downhills.
Q.33
Submit
Bridges usually:
Do not freeze.
Have heaters to prevent them from freezing.
Freeze before other surfaces.
Q.34
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When traveling at speeds under 40 mph, you should maintain at least ____ of following distance for every 10 feet of your vehicle's length.
One second
Two seconds
Three seconds
Q.35
Submit
When transporting a load, the cargo should be inspected:
Only at the beginning of a drive.
Only after driving a long distance.
After every break.
Q.36
Submit
Which of the following is not a reason to cover cargo?
To protect people from spilled cargo
To protect the cargo from weather
To protect the cargo from animals
Q.37
Submit
Brakes can get out of adjustment quickly, especially:
If they are hot.
In the winter time.
If they are used frequently.
Q.38
Submit
When pulled over to the side of the road, you should:
Rely on your taillights to alert other motorists to your presence.
Not worry about other motorists.
Use your four-way emergency flashers to alert other motorists to your presence.
Q.39
Submit
When you must travel down a hill, when should you switch into a lower gear?
As you begin to move downward
As you go downhill and pick up speed
Before you start going downhill
Q.40
Submit
One way to prevent hydroplaning on wet road surfaces is to:
Ensure that your tires have good tread depth.
Under-inflate your tires.
Drive faster than usual.
Q.41
Submit
If a worker is present in a work zone, you should:
Continue driving at the posted speed limit.
Slow to a speed under the posted speed limit.
Drive in the grass.
Q.42
Submit
A distracted driver:
Usually follows the rules of the road.
Usually has slowed perception.
Is a good person to follow.
Q.43
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What is a drawback of retarders?
They may not be permitted everywhere.
They can help to slow a vehicle.
They cannot be turned off.
Q.44
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If your vehicle is hydroplaning, you should:
Accelerate.
Not use the brakes.
Put the vehicle in reverse.
Q.45
Submit
When driving in winter, which of the following should receive extra attention in a pre-trip inspection?
Coolant and antifreeze levels
The air conditioning unit
The oil pressure
Q.46
Submit
The radiator cap:
Should not be removed when the coolant is hot.
Can be removed when the coolant is hot.
Should be cool to the touch under normal driving conditions.
Q.47
Submit
Why should part of the vehicle be visible in a properly adjusted side mirror?
It limits the view behind the trailer.
It provides a point of reference for the driver.
It allows the driver to see stickers placed on the side of the trailer.
Q.48
Submit
When transporting a load, the cargo should be inspected:
By another driver.
Only after a trip is finished.
Every time you take a break.
Q.49
Submit
When changing lanes, turn signals:
Should not be used.
Should only be used if a vehicle is close to you.
Should be used each time.
Q.50
Submit
The Individual Vehicle Distance Record (IVDR) does not need to include which of the following?
Trip origin
Vehicle Identification Number
Number of meals eaten by the driver
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