Pennsylvania CDL Permit Test - Class A

Number of questions: 50
Passing score: 40
Directions: This license is required for driving any legal combination of vehicles, with a gross combination weight rating of 26,001 pounds or more, provided the GVWR of a trailer exceeds 10,000 pounds. To receive this license, applicants must pass a 50-question test. Test questions come from the Commonwealth of Pennsylvania Commercial Driver’s Manual. To pass, applicants must answer 40 questions correctly. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Combination Vehicles. Endorsements that may be used with a Class A CDL are: Hazardous materials, Tank, Passenger, Doubles/Triples, HazMat, Tank, Air Brakes and School bus.
You have made error so far
Passing grade —
10 or fewer errors
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1.
Why are multi-speed axles and auxiliary transmissions used?
To make a vehicle smoother
To provide extra gears
To get improved gas mileage
To make the vehicle less noisy
2.
The best advice for driving in fog is:
Stay in the left lane
Don’t drive in fog
Use low beam lights
Follow closely behind other vehicles
3.
What do ABS brakes do?
Allow the rear wheels to lock up
Allow all wheels to lock up at the same time
Help prevent wheel lock up
Alert other motorists that you are braking
4.
How can you warn drivers behind you if you are slowing down?
Slam on the brakes
Tap the brakes a few times and then brake
Turn on one set of turn signals
Put your hand out the window to get the attention of other drivers
5.
Driving a combination vehicle usually ____ than single vehicles.
Is simpler
Requires more driving skill
Is a better training vehicle
Is safer in inclement weather
6.
A vehicle with ABS can be identified by:
A sticker on the control panel
A yellow lamp on the instrument panel
The letters ABS on the brake pedal
A metal plate on the inside of the driver’s side door
7.
Over-the-counter medication:
Poses no threat to a driver
Are not covered under driving under the influence law
Does not impair a person
Can affect a person’s ability to drive safely
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