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The tanker endorsement applies to drivers who wish to drive a tank in Class A, B, or C CDL. To add this endorsement to your CLP/CDL, you must pass a knowledge test on the problems posed by large volume liquid cargos. The Pennsylvania CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The PA tanker test covers the following sections of the Pennsylvania CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this PA tanker practice test now to prepare for the actual test!
1. You should always adjust your speed to be able to stop within:
50 feet.
the distance you can see ahead.
the length of your vehicle.
30 feet.
2. The tractor protection valve:
prevents the trailer from being accidentally released.
keeps air in the brake system should the trailer develop a bad leak.
keeps your wheels from locking up when you brake hard.
keeps air from going out if the air compressor develops a leak.
3. Which of the following is not a sign of fatigue?
Keeping a steady speed
Yawning repeatedly
Rubbing eyes
Frequent blinking
4. If a tank is leaking, you should:
call your dispatcher or supervisor for instructions.
get the leak fixed immediately.
flash your brake lights to warn other motorists.
continue the trip until you can pull into a service station.
5. A shipping paper for HazMat must include:
page numbers if the shipping paper has more than 1 page.
a shipper's certification signed by the shipper.
a proper shipping description for each HazMat.
All of the above.
6. The best advice for driving in fog is:
use high beams.
use low beams.
don't drive.
drive slowly in the left lane of traffic.
7. If a tire fails while you are driving, you should:
brake as hard as possible.
stay off the brake until your vehicle has slowed down.
call your supervisor for instructions.
stop on the roadway if possible.
8. Empty trucks:
require a greaterĀ stopping distance than full trucks.
require a shorter stoppingĀ distance than full trucks.
require the same stoppingĀ distance than full trucks.
None of the above.
9. When you pull off the road and stop, you should:
use your high beams.
flash your brake lights.
turn on the 4-way emergency flashers.
use the taillights.
10. The steering wheel should:
be held firmly with the left hand.
be held firmly with the right hand.
be held firmly with both hands.
be held with one hand at a time.
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PA CDL Tanker Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
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