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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 California CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The CA tanker test covers the following sections of the California CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this CA tanker practice test now to prepare for the actual test!
1. Hauling liquids in tanks requires special skill because of:
danger of surge.
the high center of gravity.
All of the above.
2. Hydroplaning:
only occurs at extremely high speeds.
can occur at speeds as low as 30 mph.
only happens when tire pressure is higher than normal.
3. Class 2 hazardous materials include:
Poison
Radioactive materials
Flammable gases
4. The minimum amount of tread for rear tires is:
1/32 of an inch
1/64 of an inch
2/32 of an inch
5. Placards must be:
readable from all 4 directions.
in a diamond shape.
All of the above.
6. You had to drive onto the right shoulder to avoid a crash. You are now driving at 40 mph on the shoulder. How should you move back onto the pavement?
Brake hard to slow the vehicle, then steer sharply onto the pavement.
If the shoulder is clear, stay on it until your vehicle has come to a stop, then move back onto the pavement when it is safe.
Keep moving at the present speed and steer very gently back onto the pavement.
7. If driving a heavy vehicle, you should:
stay in the right lane.
stay in the left lane.
try to pass other vehicles going uphill.
8. Controlled braking:
can be used to keep your vehicle in a straight line and allow you to turn if necessary.
involves locking the wheels and then releasing the brakes.
must be used when you need to turn sharply while braking.
9. Unbaffled tanks usually transport:
grease.
milk and other food products.
gasoline.
10. Which of these statements about using your mirrors is FALSE?
When driving, you should check mirrors regularly to know where other vehicles are around you.
There are blind spots that your mirrors cannot show you.
None of the above.
 
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CA Tanker CDL Test

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