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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 be extremely cautious when driving unbaffled liquid tankers, especially when:
they are empty.
starting or stopping.
going uphill.
None of the above.
2. ________ is responsible for identifying the hazard class of the material when shipping.
The shipper
The driver
The supply chain manager
The motor carrier
3. The amount of liquid to load into a tank depends on:
legal weight limits.
the weight of the liquid.
the amount the liquid will expand in transit.
All of the above.
4. When driving tank vehicles, because of the high center of gravity and the surge of the liquid, you must:
stop quickly.
start quickly.
start slowly.
swerve often.
5. The height of a vehicle's center of gravity is important for safe handling. Why?
A high center of gravity means you are less likely to tip over.
Trucks with a high center of gravity have better traction.
Trucks with a high center of gravity can roll over at the posted speed limit for a curve.
All of the above.
6. The vehicle inspection report:
ensures that vehicle inspections are conducted regularly.
tells the shipper how to package the materials.
tells the motor carrier about problems that may need fixing.
ensures that when the driver gets behind the wheel, the mechanic is responsible for the safe operation of the vehicle.
7. Watch out for black ice:
when it is snowing.
when the temperature is above freezing and the road is dry.
any time the temperature is below freezing and the road looks wet.
right after it starts to rain.
8. How should you apply the brakes when going down a steep downgrade?
Apply the brakes as hard as you can without locking the wheels.
You should not brake, and only use engine braking to prevent brake failure.
Apply the brakes whenever you reach your safe speed, until your speed has been reduced to 5 mph below your safe speed.
Apply the brakes when you reach the bottom of the downgrade.
9. In the Hazardous Material Table, what is in Column 3?
The special provisions of the material
The HazMat description
The HazMat shipping name
The hazard class or division
10. To make the brakes work, air brakes use:
compressed air.
hydraulic air.
carbon monoxide.
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PA Tanker CDL Test

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