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Pennsylvania
Pennsylvania CDL Knowledge Test Class B 1
Answers
Q.1.
Which of the following is not a backing maneuver that you will be asked to perform during the basic control skills test?
Straight line backing
Offset back/right
Offset back/left
Blind offset
Q.2.
Both systems in a dual air brake systems share:
Air tanks.
Hoses.
Air lines.
An air compressor.
Q.3.
Cargo inside a trailer:
Does not need to be secured.
Should be stacked no more than three feet high.
Should be secured to prevent movement.
Should be loaded with the heaviest items on top of lighter items.
Q.4.
If transporting 30 feet of cargo on a flatbed trailer, you should use a minimum of ____ to restrain the cargo.
One tie-down
Two tie-downs
Three tie-downs
Four tie-downs
Q.5.
Eating while driving:
Is a good way to maximize time.
Is encouraged on long trips.
Creates a distraction for the driver.
Is mandatory so cargo is not left unsupervised.
Q.6.
When looking under your vehicle's hood during a pre-trip inspection, you should:
Use the parking brakes and/or chock blocks.
Leave the vehicle in a low gear.
Remove the battery.
Disconnect the radiator.
Q.7.
The air pressure in a dual air brake system should build from 85 to 100 psi within:
Two minutes.
15 seconds.
10 minutes.
45 seconds.
Q.8.
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.9.
During the on-road driving test, you should:
Develop your own route to show off your driving skills.
Listen to directions from the examiner.
Bring a passenger to ride with you.
Drive in an unsafe manner.
Q.10.
To use the stab braking method in an emergency situation, you should:
Apply the brakes completely until the wheels lock up, release the brakes until the wheels start rolling, then repeat the process.
Apply the brakes about halfway, but keep the wheels rolling.
Fully apply the brakes, let the wheels lock up, and hold the brake pedal down, keeping the wheels locked until the vehicle stops.
Apply the emergency brake.
Q.11.
Before starting down a hill, be sure to:
Accelerate.
Switch into a high gear.
Sound your horn.
Switch into a low gear.
Q.12.
When stopping:
The brake pedal should be pressed down gradually.
The brake pedal should be pushed down quickly.
The brake pedal should be pressed down repeatedly, but not held down continuously.
The amount of force required on the brake pedal will be the same each time you slow or stop.
Q.13.
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.
There may be extra weight in the front of the trailer.
Q.14.
In the basic vehicle control portion of the skills test, the applicant will:
Be tested on their ability to operate the vehicle.
Be required to rent a vehicle.
Be required to remove the rear brake.
Be asked to take a written test.
Q.15.
Before entering a curve, you should:
Upshift.
Speed up.
Drive on the shoulder.
Downshift.
Q.16.
Before driving a vehicle with air brakes, you should ensure that the spring brakes come on automatically when:
Air pressure falls below 45 psi.
Air pressure falls below 20 psi.
Driving downhill.
Driving uphill.
Q.17.
To obtain a CDL, you must be at least:
15 years old.
18 years old.
21 years old.
25 years old.
Q.18.
When crossing railroad tracks, you should:
Stop on the tracks.
Change gears.
Try to pass.
Stay in your lane.
Q.19.
After traveling under an overpass during the driving skills test, you may be asked to recall:
The posted clearance.
The posted weight limit.
The width of the opening.
If there was a shoulder near the roadway.
Q.20.
Most heavy vehicles require ____ to change gears.
Double clutching
Double shifting
Triple clutching
Triple shifting
Q.21.
An Anti-Lock Braking System (ABS) will:
Allow you to drive faster than you would be able to otherwise.
Allow you to follow other vehicles more closely than you would be able to otherwise.
Allow you to drive less carefully than you would be able to otherwise.
Not decrease your stopping distance.
Q.22.
Which of the following is not an indication of damaged brakes?
Cracked drums
Shoes with oil or grease on them
Shoes worn thinly
Pads free of oil or grease
Q.23.
To prevent your tires and engine from overheating while you are driving in especially hot weather, you should:
Increase your speed.
Decrease your speed.
Drive on the shoulder.
Drive with your windows down.
Q.24.
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.25.
What do anti-lock brakes do?
Help a driver avoid wheel lockup
Lock up the front wheels
Prevent a vehicle from accelerating while traveling uphill
Prevent a vehicle from accelerating while traveling downhill
Q.26.
When driving, it is important to:
Keep your attention focused in front of your vehicle.
Look only to the front and right side of your vehicle.
Look only to the front and sides of your vehicle.
Look to the front, sides, and rear of your vehicle.
Q.27.
When taking the on-road driving skills test, you will be evaluated on your gear usage. You should not:
Avoid grinding or clashing gears.
Select a gear that does not rev the engine.
Forget to shift through an intersection.
Shift while taking a turn.
Q.28.
A pre-trip inspection:
Should never be completed the same way two times in a row.
Should always be completed in the same order.
Should only be done if it is sunny outside.
Should not be done if the driver thinks the vehicle is in good operating order.
Q.29.
The air storage tanks:
Hold only enough air for one braking cycle.
Hold enough air for brakes to be used several times if the compressor stops working.
Do not hold air unless there is an emergency.
Hold enough air for more than 1,000 braking cycles.
Q.30.
In general, if you are convicted of a traffic violation in your personal car:
The convicting officer will alert your employer.
Your CDL will not be affected because the violation is on your personal license.
You should tell your employer within six months.
You must tell your employer within 30 days.
Q.31.
During the on-road driving test, you must do all of the following, except:
Wear your safety belt.
Obey all traffic laws.
Complete the test without a moving violation.
Obey all traffic signs and signals, but only if other traffic is present.
Q.32.
When driving down a steep grade:
You should ride your brakes all the way down.
Shift into a higher gear as a way to slow down your vehicle.
Shift into lower gears as a way to slow down your vehicle.
The truck should be put in neutral as a way to slow down your vehicle.
Q.33.
During a basic vehicle control skills test, what is considered an encroachment?
A driver placing the vehicle in neutral and applying the parking brake.
The vehicle touching an exercise boundary line.
A driver properly completing an exercise in the skills test.
An applicant trying to bribe the examiner.
Q.34.
In very hot weather, tires should be checked regularly because:
They may melt.
Air pressure may increase with the temperature.
The tread wears down extra quickly.
The lug nuts may loosen.
Q.35.
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.36.
Most heavy-duty vehicles use ____ air brake systems.
Single
Dual
Triple
Quad
Q.37.
Be sure you are always driving so your vehicle can stop:
Within 10 feet of your current position.
Within 1,000 feet of your current position.
Within your view of the road ahead.
Immediately.
Q.38.
If you lose your driving privileges for your personal vehicle:
Your CDL will be unaffected.
Your CDL will be restricted to daytime driving only.
Your CDL will be restricted to Class B.
You will lose your CDL driving privileges.
Q.39.
When driving in fog, you should:
Use the windshield wipers.
Use the low beam lights.
Use the high beam lights.
Use the heater.
Q.40.
During a vehicle inspection, be sure that:
The emergency exits are difficult to open.
The emergency exit warning devices work properly.
The emergency exits squeak.
The emergency exits are not accessible from inside the cab.
Q.41.
Once passing the CDL written test, an applicant must wait at least ____ before taking the skills tests.
One hour
One day
Seven days
15 days
Q.42.
Which of the following is not a type of retarder?
Exhaust
Engine
Air
Electric
Q.43.
During a walk-around inspection, ensure there are no cracks on the brake drums that are more than ____ of the width of the friction area.
One half
One quarter
One third
One tenth
Q.44.
Which of the following is not a tire problem to check for and avoid?
Radial and bias-ply tires used together
Recapped tires on the front of a school bus
Tread separation
All tires are made by the same company
Q.45.
Mirrors should be adjusted:
While moving.
When the trailers are straight.
When you are standing next to the vehicle.
By an assistant.
Q.46.
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.47.
If the spring brakes are on, you should:
Not use the brake pedal.
Press the accelerator.
Move the steering wheel.
Be especially careful because the brakes may fail.
Q.48.
During the skills test, if making a turn that requires a stop, you should:
Skid to a stop.
Stop after the stop line to get a better view.
Allow your vehicle to roll.
Keep the front wheels aimed straight ahead.
Q.49.
After driving over a bridge during the driving skills test, you may be asked to recall.
The posted weight limit.
The color of a sign you just passed.
How many lanes of traffic there were on the bridge.
If there was a crosswalk on the bridge.
Q.50.
If confronted by an aggressive driver, you should:
Try to get out of their way.
Avoid making eye contact.
Ignore their hand gestures.
All of the above.
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