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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 Hawaii CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The HI tanker test covers the following sections of the Hawaii CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this HI tanker practice test now to prepare for the actual test!
1. The parking brake:
should be used when driving in bad weather.
should be used whenever you park.
should be used when you need to apply the brakes firmly.
2. Baffled liquid tanks:
handle the same way as tankers without baffles.
help control the forward and backward liquid surge.
make tank vehicles seem heavier than they really are.
3. After an accident, an improper use of flares could cause:
a fire if spilled fuel is on the ground.
air pressure to build from 50 to 100 psi within 2 minutes.
the springs to put on the brakes.
4. The heavier the vehicle:
the more work the brakes must do to stop it.
the higher the center of gravity will be.
the less work the brakes must do to stop it.
5. When parked on the side of the road, you should:
flash your brake lights.
turn off all lights.
use the 4-way emergency flashers.
6. How does liquid surge affect the handling of a tank vehicle?
It makes it easier to slow down to a safe speed.
It tends to push the truck in the direction the wave is moving.
It makes the road slippery.
7. Some liquid tanks are divided into several smaller tanks by:
8. Different materials expand:
at rates determined by road conditions.
at different rates.
at the same rate.
9. To avoid blinding others, you should dim your lights within _____  of an oncoming vehicle.
None of the above.
10. When checking the engine compartment in a vehicle inspection, you should check all of the following except:
Windshield washer fluid level
Engine oil level
Shock absorbers
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HI CDL Tanker 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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