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Driving Test
Oklahoma
Oklahoma CDL Knowledge Test Class A 2
Answers
Q.1.
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.2.
What is traction?
Friction between the tires and road
Tires' rates of rotation
The length of time needed to activate the brakes
Q.3.
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.4.
A driver may have:
Two licenses: one for automobiles and one for trucks.
Only one license.
A license for every state in which they drive.
Q.5.
If planning to stop on the road to unload cargo, you should:
Stop suddenly, since you are already on the road.
Warn other drivers by tapping your brakes.
Wave your arm out the window to get the attention of other drivers.
Q.6.
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.7.
If making a tight turn, the operator of a CMV should:
Be able to drive as fast as the driver of a car.
Not be concerned about speed, but focus on the road.
Warn drivers behind by braking early and slowing gradually.
Q.8.
When an engine is running, an acceptable oil pressure would be:
10 psi.
50 psi.
110 psi.
Q.9.
When drivers turn, they usually:
Look in the direction of the turn.
Look in the direction opposite the turn.
Look behind their vehicles.
Q.10.
Brake linings should be:
Loose.
Free of oil.
Soft.
Q.11.
When adjusting your mirrors before a trip:
No part of your vehicle should be visible in any mirror.
Part of your vehicle should be visible in the mirrors.
More than half of each mirror should show the vehicle.
Q.12.
When a vehicle is started, the coolant temperature should:
Decrease.
Rise slowly.
Hold steady.
Q.13.
If an aggressive driver is involved in a crash on the road ahead, you should:
Stop and confront the driver.
Stop a safe distance from the crash scene, wait for police to arrive, and tell them of the driver's behavior.
Block the driver in with your vehicle.
Q.14.
If you remain in neutral for too long while switching gears:
The vehicle will speed up.
You may have trouble putting the vehicle into the next gear.
You may kill the engine.
Q.15.
Emergency equipment in a vehicle is:
Only required for vehicles that are transporting hazardous materials.
Only required during interstate travel.
Required.
Q.16.
What is reaction distance?
The distance you will travel between realizing you must brake and when you physically hit the brakes
The distance you will travel between a hazard becoming visible and you seeing the hazard
The distance you will travel between seeing a hazard and realizing you must brake
Q.17.
During the vehicle inspection test, you will be asked to:
Change a tire.
Explain to the examiner what you are inspecting and why.
Estimate the weight of a load on a trailer.
Q.18.
ABS brakes:
Help you avoid wheel lockup.
Lock up your vehicle's wheels.
Prevent your vehicle from accelerating when going uphill.
Q.19.
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.20.
A driver should ensure that:
The truck is overloaded.
The truck is properly loaded.
The cargo is mostly in the front of the trailer.
Q.21.
When should mirrors be adjusted?
Before driving
While driving
After driving
Q.22.
An after-trip inspection should be done:
Once a week.
Once a month.
After every trip.
Q.23.
Which of the following is not a warning sign of fatigue?
Difficulty focusing
Staying within your lane
Rubbing your eyes
Q.24.
When inspecting the windshield before a trip, a person should do all the following, except:
Remove and sharpen the wiper blades.
Check the windshield wipers for proper spring tension.
Check the wiper blades for damage.
Q.25.
If you are taking the driving test and the route does not include a railroad crossing, you:
Will not have to do anything related to a crossing.
May have to explain how you would cross railroad tracks.
Will have to take a different route.
Q.26.
If driving a new vehicle, you should familiarize yourself with the controls:
Before you start driving.
As you drive.
If you feel like you need to.
Q.27.
Slow down and be extra careful:
When traveling in normal traffic.
When driving on dry pavement.
When approaching a work zone.
Q.28.
To avoid a hazard, you:
Should always come to a complete stop.
May need to swerve your vehicle out of the way.
Should change lanes without looking.
Q.29.
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.30.
When in heavy traffic, the safest driving speed is:
Slower than the speed being driven by surrounding traffic.
The same speed being driven by surrounding traffic.
Faster than the speed being driven by surrounding traffic.
Q.31.
If using spring brakes when hauling a heavy load, a complete stop will:
Be impossible.
Take a long time.
Take a short amount of time.
Q.32.
If you see taillights ahead while you are driving in fog:
The lights may not indicate where the road is as the vehicle may have pulled off the roadway.
You can assume the vehicle ahead is on the road.
It may be an optical illusion.
Q.33.
A bridge formula:
Permits less weight per axle for axles that are close together.
Permits more weight for trucks.
Is not a concern for drivers.
Q.34.
Headache racks:
Are illegal.
Help protect the driver from the cargo.
Allow for increased cargo space.
Q.35.
During a pre-trip inspection, belts should be:
Left alone and not inspected.
Checked for tightness.
Inspected, but only about once a month.
Q.36.
How many daily hours of sleep does an adult need to maintain alertness?
Six to seven
Seven to eight
Eight to nine
Four to five
Q.37.
You should specifically look out for black ice:
When it is snowing.
When the temperature is below freezing and the road looks wet.
When the temperature is above freezing and there is snow on the ground.
Q.38.
If a vehicle begins to hydroplane, the driver should:
Accelerate.
Release the accelerator and push in the clutch.
Pull in the clutch and brake.
Q.39.
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.40.
When completing a conventional parallel parking maneuver, you should:
Back up past the parking space, then pull forward into it.
Pull forward past the parking space, then back into it.
Pull forward directly into the parking space.
Q.41.
When taking the driving test and asked to make a turn, you should:
Not use a turn signal since you were told to make the turn.
Check traffic only to your right.
Check traffic in all directions.
Q.42.
If your brakes fail while you are traveling downhill and there is no available escape ramp, you should:
Keep pumping the brakes.
Turn the vehicle off.
Drive into an open field.
Q.43.
Which of the following is not a reason to use your mirrors?
You are changing lanes.
You are making a turn.
You are looking at fuel prices.
Q.44.
When parking, you should not use the parking brake if:
The brakes are very hot.
The brakes are very cold.
There is snow on the ground.
Q.45.
Which of the following is not a sign of tire failure?
A loud sound
Vibration
Smoother steering
Q.46.
A driver can rely on front wheel braking to work:
On dry roadways only.
Under all conditions.
Under all conditions, except for snow.
Q.47.
While driving:
Creating a text is not permitted, but reading a text is.
Creating a text is permitted, but reading a text is not.
Neither creating nor reading a text is permitted.
Q.48.
Backing with a trailer is dangerous because:
It is difficult to see behind the vehicle.
Most trucks do not have the ability to move in reverse.
Cargo may fall out of the trailer.
Q.49.
If you are driving and the ABS light comes on, it means that the ABS:
Cannot work due to weather conditions.
Has just been activated.
Is not working properly.
Q.50.
While operating on a downgrade, you should brake until you reach a speed that is:
5 mph below your safe speed.
10 mph below your safe speed.
15 mph below your safe speed.
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