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Driving Test
Pennsylvania
Pennsylvania CDL Knowledge Test Class A 1
Answers
Q.1.
If hydraulic brakes fail, a driver can reduce their speed by:
Shifting into a higher gear.
Shifting into a lower gear.
Finding a hill.
Letting the truck run out of gas.
Q.2.
When driving, the steering wheel should be:
Held with one hand.
Held with both hands on opposite sides of the wheel.
Held with both hands at the bottom of the wheel.
Held with both hands at the top of the wheel.
Q.3.
When entering traffic on an expressway during the skills test, you should:
Check for traffic.
Not use signals.
Abruptly enter a lane of traffic.
Cut off other drivers if needed.
Q.4.
During a basic vehicle control skills test, you may be asked to:
Parallel park.
Inspect your tires.
Monitor your gauges.
Pull forward into a parking space.
Q.5.
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.6.
When making a turn, when should you cancel your turn signal?
Before you enter the turn
In the middle of the turn
After the turn is completed
It does not matter.
Q.7.
When driving at highway speeds, you should watch the road about ____ ahead of your vehicle.
One block
100 yards
One quarter mile
One mile
Q.8.
If you need to travel down a hill, you should switch into a lower gear:
After you start moving downhill.
As you go downhill and pick up speed.
Before you start moving downhill.
Near the bottom of the hill.
Q.9.
Failing to exit your vehicle properly during an exercise in the basic vehicle control skills test will result in:
Failure of only that exercise.
A reset of that exercise.
Automatic failure of the basic vehicle control skills test.
An extra point against your score.
Q.10.
Antifreeze helps to keep an engine functioning properly:
But only in cold weather.
But only in hot weather.
Regardless of the weather.
While minimizing the vehicle's fuel use.
Q.11.
If there are no warning gates or lights at a railroad crossing, you should:
Not worry because the tracks are likely abandoned.
Park your vehicle and walk up to the tracks to determine if a train is approaching.
Look down the tracks in both directions to ensure that no trains are approaching.
Do whatever surrounding vehicles are doing.
Q.12.
A driver should always:
Stay in the right lane.
Have an emergency plan.
Stay in the left lane.
Drive faster than the posted speed limit.
Q.13.
If your tractor is equipped with ABS but your trailer is not, the ABS:
Will not be effective.
Will still improve your steering control.
Will make jackknifing easier.
Will allow others to see when you brake.
Q.14.
During the vehicle inspection test, you will be required to do all of the following, except:
Walk around the vehicle.
Point to or touch each item.
Explain what you are checking and why.
Crawl under the vehicle.
Q.15.
During an applied leakage test, the maximum leakage rate for a single vehicle with air brakes is:
3 psi in one minute.
6 psi in one minute.
8 psi in one minute.
4 psi in one minute.
Q.16.
How should you check your hydraulic brakes?
Pump the brakes three times, then apply firm pressure to the brake pedal for five seconds. The brake pedal should not move.
Pump the brakes three times, then apply firm pressure to the brake pedal for five seconds. The brake pedal should slowly move toward the floor.
Pump the brakes three times, then apply firm pressure to the brake pedal for five seconds. The brake pedal should slowly rise.
Pump the brakes three times, then apply firm pressure to the brake pedal for five seconds. The brake pedal should be easy to push to the floor.
Q.17.
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.18.
Off-ramps:
Are usually safe for trucks.
Can be dangerous for trucks.
Should not be used by trucks.
Should be used only if following another vehicle.
Q.19.
Spring brakes come on:
When too much air pressure is lost.
When a control on the dashboard is activated.
When the tires have minimal tread depth.
When the brakes are noisy.
Q.20.
When using the controlled braking method in an emergency situation, you should:
Apply the brakes as hard as possible without locking the wheels.
Apply the brakes with about half of your usual force.
Apply the brakes so the wheels lock.
Apply the brakes with minimal pressure.
Q.21.
When operating a vehicle with a dual brake system, a driver should:
Let the vehicle warm up before driving to ensure that fuel reaches the engine.
Wait to begin driving until the air compressor builds up a minimum pressure of 100 psi in both the primary and secondary systems.
Begin driving just after the vehicle starts.
Pump the pedal about 20 times to build pressure, then begin driving.
Q.22.
Looking far ahead of your vehicle while driving is:
Discouraged, as there is little you can do about something far up the road.
Encouraged to help you identify hazards as early as possible.
Not allowed.
Only encouraged if you are transporting hazardous materials.
Q.23.
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
Q.24.
The most common type of foundation brake used is the:
S-cam drum brake.
C-cam drum brake.
G-cam disc brake.
P-cam disc brake.
Q.25.
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.26.
Joggers who are wearing headsets:
Are usually aware of what is happening around them.
May not be aware of what is happening around them.
Can clearly hear sounds of traffic.
Usually don’t have music playing.
Q.27.
A fatigued driver:
Is extra alert.
Should take over-the-counter remedies to wake them up.
May make critical decisions too slowly.
Is usually more conscientious than a typical driver.
Q.28.
Emergency brakes:
Are not required on trucks.
Are only required on trailers.
Are required on tractors.
Are optional.
Q.29.
What are placards?
Signs placed on a vehicle to identify cargo hazards
A type of tire used in snowy conditions
Logs kept inside the vehicle
Journals for mileage
Q.30.
It is illegal to operate a CMV with a minimum blood alcohol content (BAC) of:
0.01 percent.
0.02 percent.
0.04 percent.
0.08 percent.
Q.31.
Once stopped as a part of the stop/start maneuver, you should:
Use the four-way flashers.
Not use the four-way flashers because it is just a test, not an emergency.
Leave the vehicle in first gear.
Park in front of a fire hydrant.
Q.32.
Steering that feels heavy is often a sign of:
Rear tire failure.
Front tire failure.
A shifting load.
The coolant overheating.
Q.33.
When asked to complete a driver's side parallel parking maneuver, you should:
Pass the parking space while backing, then pull forward into it.
Pull forward past the parking space, then back into it.
Pull forward into the parking space without passing it first.
Back into the parking space without passing it first.
Q.34.
When driving:
It is best to hide your intentions from others.
You should only use turn signals if there are vehicles near you.
You should not use turn signals in construction zones.
You should always use turn signals to warn others about your intentions.
Q.35.
If your truck or trailer catches fire, you should:
Park in a congested area near trees.
Pull into a service station.
Park near other vehicles.
Park in an open area.
Q.36.
What happens if the air pressure in a system's air tanks falls below 60 psi?
A warning light will come on.
The vehicle will not shift out of gear.
The front lights will flash.
The vehicle should stop.
Q.37.
When loading a trailer, weight should be:
Placed as high as possible.
Placed as low as possible.
Placed only on the left side, if possible.
Placed only on the right side, if possible.
Q.38.
If using air tanks with manually operated drains, how often should you drain the tanks?
Every day
Once a week
Once a month
Once every 3,000 miles
Q.39.
Friction inside a brake drum is caused when the brake shoes and linings:
Push against each other.
Separate from the axle.
Push against the inside of the drum.
Create excess heat.
Q.40.
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.41.
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 about how the weight is distributed.
Only place weight over the axles.
Q.42.
Before entering a curve, you should:
Upshift.
Speed up.
Drive on the shoulder.
Downshift.
Q.43.
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.44.
If being shipped on either a flatbed trailer or a trailer without sides, cargo must be:
Glued to the bed.
Strapped down.
Loose to allow it to shift when the vehicle turns.
Heavy enough that it won’t shift.
Q.45.
When driving, your mirrors should:
Not be used, as they are distracting.
Not be used unless there is traffic.
Be checked regularly.
Be checked regularly, but only if it is cloudy.
Q.46.
Most drivers are the least alert:
In the morning.
In cold weather.
At night.
After work.
Q.47.
During the steering box portion of the vehicle inspection test, you should not:
Ensure that the steering box is securely mounted.
Ensure that the steering box is free of leaks.
Look for missing bolts in the steering box.
Assume all cotter keys are present.
Q.48.
What is a wig wag?
A type of warning system
A tube used to move air from the compressor to the tanks
A noise made by air brakes when used
A part within the braking unit that allows air to move freely
Q.49.
Some air brake systems use alcohol:
To reduce the risk of ice forming in air brake valves.
To make the compressor run more efficiently.
To lubricate parts of the braking system.
To reduce the risk of rust forming on air brake valves.
Q.50.
You should always use at least ____ to secure cargo on a flatbed trailer.
One tie-down
Two tie-downs
Three tie-downs
Four tie-downs
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