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California CDL Permit Test - Tank

Number of questions: 15
Passing score: 12
Directions: This endorsement is required to haul any liquid or gaseous materials in a tank or tanks having an individual rated capacity of more than 119 gallons and an aggregate rated capacity of 1,000 gallons or more that is either permanently or temporarily attached to the vehicle or chassis. To receive this endorsement, applicants must pass a test The test consists of 15 multiple choice questions. Each question has three answer choices. To pass, the applicant must answer at least 12 questions correctly. Test questions come from the California Commercial Driver Handbook. Questions come from chapters covering: Driving Safely, Combination Vehicles and Doubles and Triples. The Tank endorsement can be used with the Class A, B or C CDL.
You have made error so far
Passing grade —
3 or fewer errors
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1.
Broken suspension parts:
Should be repaired immediately.
Should be repaired, but not immediately.
Cannot be identified.
2.
Mirror adjustment can only be checked properly if:
The trailer is straight.
There is no trailer.
The vehicle is on a slight incline.
3.
Cargo tanks should never be completely full because:
There needs to be room for the liquid to expand.
Regulations require three feet of clearance between the top of the liquid and the roof of the tank.
The tank would be too heavy.
4.
What should you do if the braking system cannot build up hydraulic pressure?
Upshift.
Downshift.
Hold the brake pedal down as far as it will go.
5.
When connecting a converter dolly to a second or third trailer, the trailer height should be:
Slightly higher than the center of the fifth wheel.
Level with the center of the fifth wheel.
Slightly lower than the center of the fifth wheel.
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