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Driving Test
Oklahoma
Oklahoma CDL Knowledge Test Class B 1
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Q.1
Submit
What color light indicates a vehicle's ABS is not working?
Green
Blue
Yellow
Q.2
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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.3
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A Class 1 hazardous material is:
An explosive.
Liquid.
Corrosive.
Q.4
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When stopping, you should:
Press down the brake pedal quickly.
Press down the brake pedal gradually.
Lift up the brake pedal quickly.
Q.5
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One way to prevent fatigue on long trips is to:
Take frequent breaks.
Text while driving.
Drink caffeine.
Q.6
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One way to avoid becoming an aggressive driver is to:
Talk on your cell phone while driving.
Question others' driving abilities.
Set realistic expectations regarding travel time.
Q.7
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Which of the following is not a type of tie-down equipment?
Ropes
Straps
Velcro
Q.8
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Distracted driving:
Is caused only by physical distractions.
Will be increased by pre-programming radio stations.
Can be prevented by avoiding conversation with others.
Q.9
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If you plan to transport hazardous materials, you will:
Need to obtain a hazardous materials endorsement.
Need to drive while using flashing lights.
Need to wear a gas mask.
Q.10
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The ____ are activated by an electric switch that is triggered by the brake pedal.
Headlights
Turn signals
Brake lights
Q.11
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If there is a fire in your vehicle and you are not sure how to extinguish it, you should:
Use a fire extinguisher.
Try douse the flames with water.
Move away from the flames and wait for the firefighters.
Q.12
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If a speed limit is posted, the posted speed:
Should never be exceeded.
May be exceeded if passing another vehicle.
May be exceeded if driving in a rural area.
Q.13
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If driving in extremely hot weather and the air pressure in your tires is too high, you should:
Continue driving.
Remove air from the tire.
Let the tires cool before continuing to drive.
Q.14
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If a truck is equipped, a trailer brake hand valve can be used to:
Add fuel to the truck.
Prevent the truck from rolling back when being started from a stop.
Check the engine oil level.
Q.15
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Once cargo is secured onto a vehicle:
You do not need to inspect the cargo.
You should not let others inspect the cargo.
You should check the cargo every 150 miles.
Q.16
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When taking the basic vehicle control skills test, failing to exit your vehicle properly during any exercise will result in:
Failure of only that exercise.
An extra point against your final score.
Automatic failure of the basic vehicle control skills test.
Q.17
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In low temperatures, bridges usually freeze:
After other parts of the roadway.
Before other parts of the roadway.
At the same time as other parts of the roadway.
Q.18
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When using a fire extinguisher on a fire, you should:
Get as close to the fire as possible.
Stand as far away from the fire as possible.
Aim the extinguisher at the top of the fire.
Q.19
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During a pre-trip inspection, belts should be:
Left alone and not inspected.
Checked for tightness.
Inspected, but only about once a month.
Q.20
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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.21
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For a basic vehicle control skills test, you are expected to be able to:
Alley dock.
Weave between a line of cones.
Complete an emergency stop.
Q.22
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Regrooved tires are:
Allowed only on the front of a bus.
Allowed only on the rear of a bus.
Not allowed anywhere on a bus.
Q.23
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If using a helper when backing a vehicle, the helper should be located:
In front of the passenger's side of the vehicle.
In front of the driver's side of the vehicle.
Near the back of the truck.
Q.24
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You should check and adjust your mirrors:
Before driving.
While driving.
After driving.
Q.25
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As part of the vehicle inspection test, a CDL applicant will be asked to:
Check the engine oil level.
Replace a tire.
Remove the alternator belt.
Q.26
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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.27
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Strong winds usually cause the greatest issues for:
Lighter vehicles.
Heavier vehicles.
Flatbed trailers.
Q.28
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When loading a trailer, it is important to:
Place as little weight as possible over the axles.
Place an appropriate amount of weight over the axles.
Not be concerned with how the cargo's weight is distributed.
Q.29
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Black ice is:
A thick layer of ice on the road.
A thin layer of ice on the road.
Ice that is black from debris on the road.
Q.30
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When using a mirror, you should:
Look quickly at the mirror.
Stare at the mirror for a long time.
Use only the driver’s side mirror.
Q.31
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To prevent becoming an aggressive driver you should:
Increase your speed.
Make gestures at other drivers.
Give other drivers the benefit of the doubt.
Q.32
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The leakage rate for a single vehicle with air brakes should be no more than ____ in one minute during a static leakage test.
1 psi
2 psi
3 psi
Q.33
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When inspecting your tires, you do not want to find:
Tire tread that is 4/32 of an inch deep.
Valve stems without damage.
Mismatched tire sizes.
Q.34
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The tire load for a tire is stated:
On the side of the tire.
On the inside of the tire.
On the inside of the driver’s door.
Q.35
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Unsafely reaching for a phone is:
Acceptable if you are driving without a passenger.
Acceptable if you plan to use a hands-free feature.
Unacceptable even if you plan to use a hands-free feature.
Q.36
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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.37
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Oversized loads:
Can never be transported by a truck.
Should only be transported during the day.
Should receive proper authorization to ensure compliance with state and local laws.
Q.38
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How long should it take for oil pressure to reach a normal level when starting a vehicle?
A few seconds
About a minute
About four minutes
Q.39
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Blocking is used to:
Keep cargo in a large box.
Prevent cargo from sliding in a trailer.
Prevent cargo from falling out of a trailer.
Q.40
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When experiencing cold weather, be sure to check your vehicle's alcohol evaporator:
Every three hours.
Every day.
Every other week.
Q.41
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During an applied leakage test, the maximum leakage rate for a double combination vehicle is ____ in a minute.
2 psi
4 psi
6 psi
Q.42
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A driver may have:
An automobile license from one state and a CDL from another.
Only one license.
Two licenses: one for automobiles and one for trucks.
Q.43
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To ensure normal stopping power, drivers of vehicles equipped with a front brake limiting valve should:
Set the control to normal.
Set the control to the off position.
Set the control to the neutral position.
Q.44
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An Individual Vehicle Distance Record (IVDR) does not need to include which of the following?
The dates of a trip
The total distance traveled
The number of vehicles passed
Q.45
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What kind of brakes do most newer heavy-duty trucks use?
Dual air brakes
Triple air brakes
Single air brakes
Q.46
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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.47
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When should mirror adjustments be made?
Before starting a trip
While driving
When a vehicle is stopped at a traffic signal
Q.48
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What should you do if the braking system cannot build up hydraulic pressure?
Upshift.
Downshift.
Hold the brake pedal down as far as it will go.
Q.49
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When operating a truck requiring a CDL:
You are never required to wear a seat belt.
You are required to wear a seat belt, but only if transporting more than 500 pounds of cargo.
You must always wear a seat belt.
You are required to wear a seat belt, but only if you are driving a tank vehicle.
Q.50
Submit
Poor weight balance:
Improves handling.
Makes handling more difficult.
Increases a driver’s ability to steer.
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