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The CDL general knowledge test is required to be taken by all CDL applicants. The Pennsylvania CDL test consists of 50 questions. To pass, you must correctly answer at least 40 questions (80%). The general knowledge test covers the contents of the Pennsylvania CDL Manual.
All CDL applicants (Class A, B and C) must study the following sections: Driving Safely, Transporting Cargo Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Vehicle Inspection Test, Basic Control Skills Test, Road Test. In addition, the Class A CDL test will include questions based on the Combination Vehicles section. Take this CDL practice test now to prepare for the actual PA general knowledge test!
To get your CDL, you must pass both the knowledge and skills tests. CDL knowledge tests include: General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, Firefighter. Depending on what class of license (A, B or C) and endorsements you need, you must take one or more knowledge tests. A special endorsement is also required to drive certain types of vehicles. The following endorsements may be used with a Class A, B or C CDL: HazMat (H), Tank Vehicles (N), Tank Vehicles Transporting Hazardous Materials (X) and Passenger Transport (P). The School Bus endorsement (S) is only available for Class A or B CDL, and the Doubles/Triples endorsement (T) is only available for Class A driver's licenses.
1.
Your mirrors should be adjusted so that:
a part of the vehicle is visible in the mirror.
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the rear of the vehicle is visible in the mirror.
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more than half of the mirror shows the vehicle.
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no part of the vehicle is visible in the mirror.
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2.
Which of the following is NOT checked in a pre-trip inspection?
The amount of fuel in the vehicle
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Safety equipment
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Brake controls
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Cargo securement
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3.
To calculate how much space you should keep in front of you:
count off the seconds until you pass a pavement marking, or some other clear landmark.
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add 4 seconds for each 10 feet of vehicle length at speeds below 40 mph.
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count off the seconds from when the vehicle ahead of you passes some clear landmark to when you reach that same landmark.
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count off the seconds until you reach the vehicle ahead.
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4.
When backing, as soon as you see the trailer getting off the proper path, you should:
turn the top of the steering wheel in the direction of the drift.
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turn the top of the steering wheel in the opposite direction of the drift.
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to keep a firm grip on the steering wheel and continue backing.
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None of the above.
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5.
If the drive wheels start to skid:
accelerate slightly to regain control.
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push in the clutch to let them turn freely.
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use the brakes to slow down.
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All of the above.
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6.
When possible, you should park:
on the shoulder.
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so you will have to back up when you leave.
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on the roadway.
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so you will be able to pull forward when you leave.
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7.
The best way to know what's going on behind and to the sides of your vehicle is to:
check your mirrors regularly.
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ask your passenger(s).
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use the rear view camera.
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lean out of the window.
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8.
When inspecting your vehicle for suspension system defects, look for:
missing or broken leaves in any leaf spring.
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leaking shock absorbers.
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cracked or broken spring hangers.
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All of the above.
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9.
Cargo tie-downs are used to:
prevent skidding.
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prevent right-turn accidents.
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prevent freezing.
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keep cargo from shifting or falling.
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10.
If a load is placed on one side of the trailer:
your brakes won't work.
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making turns may be easier.
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the steering axle weight will be too light to steer safely.
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a rollover is more likely.
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