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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. Which of the following is not a sign of fatigue?
Rubbing eyes
Frequent blinking
Yawning repeatedly
Keeping a steady speed
2. The amount of liquid to load into a tank depends on:
the weight of the liquid.
the amount the liquid will expand in transit.
legal weight limits.
All of the above.
3. The parking brake:
should be used when you need to apply the brakes firmly.
should be used whenever you park.
should be used when driving in bad weather.
All of the above.
4. If a tank is leaking, you should:
get the leak fixed immediately.
flash your brake lights to warn other motorists.
call your dispatcher or supervisor for instructions.
continue the trip until you can pull into a service station.
5. If your brakes fail while you are driving on a downgrade, you should:
immediately start looking outside your vehicle for something to stop it.
use an escape ramp if it's available.
take the least hazardous escape route you can.
All of the above.
6. Do not smoke within ______ of a placarded cargo tank used for flammable liquids (Class 3) or gases (Division 2.1).
25 feet
100 feet
5 feet
50 feet
7. When driving a tanker, liquid surge:
is never dangerous.
should not  be a concern.
can have bad effects on handling.
results from movement of the liquid in full tanks.
8. Front-end header boards:
should never be used.
protect drivers from spilled cargo.
reduce traction.
protect drivers from cargo in case of an accident or emergency stop.
9. A placarded vehicle must have at least ___ identical placards.
10. If the ABS is not working:
the truck will still have normal brakes.
you should immediately reduce your speed.
the truck will have no brakes.
All of the above.
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IL 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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