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Delaware
Delaware CDL Knowledge Test Class B 2
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Q.1
Submit
Of the following, which is not a recommended way to spot potential signs of trouble?
Watching the gauges
Using your senses
Checking critical items only at the beginning and end of a trip
Q.2
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If there is a cargo fire in a box trailer:
The trailer doors should be opened.
The trailer doors should not be opened.
A large, heavy blanket should be put over the trailer.
Q.3
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Dry bulk tanks:
Usually have low centers of gravity.
Usually have high centers of gravity.
Usually are not allowed to cross railroad tracks.
Cannot be driven on interstates.
Q.4
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Mirrors should be checked:
Before every lane change.
When changing lanes, but only when other vehicles are nearby.
When changing lanes, but only if it is dark outside.
Q.5
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To correct a drive-wheel braking skid, a driver should do all of the following, except:
Remove your foot from the brake pedal.
Turn quickly in the direction of the skid.
Countersteer after the vehicle is back on course.
Accelerate.
Q.6
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If approaching a vehicle with a distracted driver, you should:
Quickly pass the vehicle.
Maintain a safe distance from the vehicle.
Closely follow the vehicle.
Q.7
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If another driver is tailgating you, you should:
Move into the left lane.
Speed up.
Increase the distance between you and the vehicle ahead.
Q.8
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Once stopped as part of the stop/start maneuver, you should:
Apply the parking brake.
Keep the vehicle in first gear.
Be perpendicular to the curb.
Be blocking a driveway.
Q.9
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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.10
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Friction in an S-cam brake is caused when the brake shoes and linings:
Press against the outside of the brake drum.
Press against the inside of the brake drum.
Push against each other.
Q.11
Submit
If federal inspectors judge your vehicle to be unsafe, they can:
Bring you to a garage to have your vehicle fixed.
Formerly request that you have your vehicle's problems fixed.
Call a mechanic.
Pull the vehicle out-of-service until it is fixed.
Q.12
Submit
When transporting cargo, drivers must check the securement of the cargo every:
10 miles.
150 miles.
500 miles.
1,000 miles.
Q.13
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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.14
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By beginning a left turn before reaching the center of an intersection, you:
Will likely complete the turn satisfactorily.
May hit other vehicles with the left side of your vehicle.
Can expect other drivers to move their vehicles to accommodate your turn.
Q.15
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An emergency brake must be controlled by:
Mechanical force.
Air pressure.
Gravity.
Q.16
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The heavier the vehicle:
The less important the brakes become.
The harder the brakes need to work.
The quieter the brakes will sound.
Q.17
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What kind of force do emergency brakes use?
Air pressure
Mechanical
Heavy
Q.18
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Areas of the road that are shaded:
Usually do not freeze.
Usually do not contain moisture, so they can’t freeze.
Will remain slick after ice on other areas of the road has melted.
Should always be avoided.
Q.19
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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.20
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When taking the on-road driving test, you must do all of the following, except:
Wear your safety belt.
Obey all traffic signs.
Complete the test without an accident.
Demonstrate that you can use your cell phone while driving.
Q.21
Submit
When starting your vehicle, the coolant temperature should:
Not change.
Increase gradually.
Quickly jump from low to high.
Q.22
Submit
When traveling down a steep downgrade:
The air brakes should be used.
Shift into a lower gear, then use brakes to supplement the braking effect of the engine.
The vehicle should be continually downshifted in the place of using the brakes.
The vehicle should be driven on the shoulder.
Q.23
Submit
When turning quickly to avoid an object in the roadway, you should:
Apply your brakes as you steer.
Give yourself extra clearance by turning more than needed to miss the object.
Turn just enough to miss the object and avoid turning more.
Steer and accelerate at the same time.
Q.24
Submit
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.25
Submit
Bracing is used to:
Make items stand taller in a trailer.
Prevent items from moving in a trailer.
Make it easier to unload items from a trailer.
Q.26
Submit
In a dual air brake system:
Air tanks are shared between both systems.
Each system has its own air tanks.
You must designate which system you are using.
Q.27
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A sign indicating a maximum safe speed:
Is suggesting a driving speed, but vehicles may travel faster than the posted speed.
Is suggesting a speed limit to be followed only by vehicles weighing more than 26,000 pounds.
Should be followed and no vehicle should travel faster than the posted speed.
Is only applicable to automobiles.
Q.28
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Watching the road ahead of you:
Allows you time to make a plan to avoid an upcoming hazard.
Is not encouraged as it distracts you from driving.
Is only important when traveling in congested traffic.
Q.29
Submit
Which of the following is not an example of a driver who might be a hazard?
A driver operating a vehicle without first scraping ice off the windshield
The operator of a rental truck
The driver of a station wagon with items covering the back windows
A person operating a pick-up truck
Q.30
Submit
When inspecting cargo, the driver should ensure all of the following, except:
That the truck is not overloaded.
That the cargo is balanced.
That the cargo is secured properly.
That the cargo is heavier at the top than the bottom.
Q.31
Submit
Routine vehicle inspections should be done to ensure:
Safety.
Good gas mileage.
Comfort.
Q.32
Submit
What is removed when an air tank is drained?
Water and oil
Ammonia
Liquid cleaners
Q.33
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When checking the engine compartment:
The parking brake should not be engaged.
Wheels should be chocked.
The engine should be running.
The gearshift should be in first gear.
Q.34
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.35
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.36
Submit
The weight of a truck:
Usually has no impact on stopping distance.
Is a major factor affecting stopping distance.
Is not as important as the type of cargo in determining stopping distance.
Q.37
Submit
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.38
Submit
A pre-trip inspection should include:
A check of the engine oil level.
Removing coolant.
Washing the tire rims.
Q.39
Submit
If the brakes “pull” to one side or the other when you use them, it's a sign that:
The brakes are working properly.
The brakes need to be checked.
The brakes are new.
The brakes have too much stopping power.
Q.40
Submit
A Class 1 hazardous material is:
An explosive.
Liquid.
Corrosive.
Q.41
Submit
If you are disqualified from driving:
Your employer will be notified by the state.
You must notify your employer within two business days.
You must notify your employer within a month.
Q.42
Submit
Mirrors should be adjusted:
While moving.
When the trailers are straight.
When you are standing next to the vehicle.
By an assistant.
Q.43
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What can happen if the air pressure gets too low in an air brake system?
The brakes may squeak.
The brakes may stop working.
The brakes may be sluggish.
Q.44
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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.45
Submit
The minimum acceptable tread depth for rear tires is:
1/64 of an inch.
1/32 of an inch.
2/32 of an inch.
Q.46
Submit
Most CDL holders have ____ licenses.
Excepted
Exempted
Non-excepted
Non-exempted
Q.47
Submit
When performing a pre-trip inspection and looking into the fifth wheel gap, you should:
Make sure the locking jaws are open.
Make sure the locking jaws are fully closed around the kingpin.
Make sure the locking jaws are loose.
Q.48
Submit
Shortly after a tire has been changed, you should:
Stop to make sure the lug nuts are still tight.
Repair the brakes.
Deflate the tire to 10 psi.
Q.49
Submit
If backing a truck:
You should rely on your mirrors to guide you.
You should first walk the area to become more familiar with obstacles.
You should look straight ahead.
Q.50
Submit
Which of the following is not an example of a driving hazard?
An accident on the roadway
An open road
A police car assisting a motorist on the side of the road
An ice cream truck
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