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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 South Carolina CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The SC tanker test covers the following sections of the South Carolina CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this SC tanker practice test now to prepare for the actual test!
1. When going down a steep downgrade, you should primarily brake using:
the braking effect of the engine.
the service brakes.
the parking brake.
the emergency brake.
2. If there is a fire in your vehicle, do NOT:
park in an open area.
park away from buildings and other vehicles.
pull into a service station.
notify emergency services.
3. To know if your vehicle is equipped with ABS, look for:
the ABS shipping paper.
an ABS placard.
a yellow ABS malfunction lamps on the instrument panel.
the ABS logo on the steering wheel.
4. A high center of gravity is most dangerous:
when the tank is empty.
when driving below the speed limit.
in curves.
in construction zones.
5. Shipping papers should be:
easily seen from the direction they face.
easily seen by someone entering the cab.
placed on all sides of the vehicle.
placed in the passenger compartment.
6. You should be especially alert for drunk drivers:
around shopping areas.
in the morning.
late at night.
in the early evening.
7. When driving a 60-foot truck at 50 mph, your minimum following distance should be:
7 seconds
6 seconds
3 seconds
5 seconds
8. When approaching a vehicle as part of a pre-trip inspection, which of the following could be a sign of trouble?
Inflated tires
Parking brake is on
Fresh oil under the vehicle
All of the above
9. Forward-and-back liquid surge is very strong in:
dry tanks.
unbaffled tanks.
baffled tanks.
All of the above.
10. Baffles:
help to control the side-to-side liquid surge.
help to control the forward and backward liquid surge.
help to prevent cargo overload.
separate the load.
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SC Tanker Test

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