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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 Illinois CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The IL tanker test covers the following sections of the Illinois CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this IL tanker practice test now to prepare for the actual test!
1. Most heavy-duty vehicles use:
pressure brakes.
air brakes.
solid brakes.
hydraulic brakes.
2. In vehicles with air brakes, water and compressor oil in the bottom of the air tank:
should be added regularly.
should be drained completely.
should not be removed.
None of the above.
3. How does liquid surge affect the handling of a tank vehicle?
It makes it easier to slow down to a safe speed.
It makes the road slippery.
It's very important for safe handling.
It tends to push the truck in the direction the wave is moving.
4. _________ are sometimes called "smooth bore" tanks.
Unbaffled liquid tankers
Tanks made of aluminum
Liquid tankers with baffles
None of the above.
5. If a shipping paper describes both hazardous and non-hazardous products, the hazardous materials must be:
listed at the bottom.
listed in yellow ink.
highlighted in a contrasting color.
in the same color as the non-hazardous materials.
6. When coming to a stop, the liquid in the tank may surge, causing:
the vehicle to stop quicker.
a fire.
causing the drive wheels to spin.
the vehicle to be pushed forward.
7. An ABS system:
helps you avoid skids caused by over braking.
keep your wheels from locking when you brake hard.
gives you more control over the vehicle during braking.
All of the above.
8. If your trucks has a high center of gravity, which of the following is true for curves?
You should slow down, as your truck can roll over at the posted speed limit for the curve.
You should travel at the posted speed limit.
Reduce your speed to a crawl.
None of the above.
9. The regulations require that HazMat employees be trained and tested at least once every:
10 years.
3 years.
5 years.
10. How many drinks per hour can be handled by the liver?
About 4 drinks per hour.
About 1 drink per hour.
About 2 drinks per hour.
About 3 drinks per hour.
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IL 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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