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Pennsylvania CDL Permit Test - Tank

Number of questions: 20
Passing score: 16
Directions: This endorsement is required to haul any liquid or gaseous materials in a tank or tanks having a 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 20 multiple choice questions. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Commonwealth of Pennsylvania Commercial Driver’s Manual. Questions come from chapters covering: Tank vehicles. The Tank endorsement can be used with the Class A, B or C CDL.
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Passing grade —
4 or fewer errors
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1.
When checking a tank vehicle, it is most important to verify that:
There are no leaks.
There is no frost on the windshield.
The paint is not cracking.
The tires are new.
2.
When loading a tank, space should be left for outage. What is outage?
Extra cargo
Space for expanding liquids
Space for additional fuel
A place for luggage and personal items
3.
Tank vehicles:
Have a low center of gravity.
Are easier to control than most other vehicles.
Have a high center of gravity.
Cannot be driven in wet weather.
4.
Baffled tanks:
Are ineffective in preventing front-to-back liquid surge.
Contain bulkheads with holes, allowing liquid to move among sections of the tank.
Remove air through a valve.
Allow for easier unloading.
5.
Manhole covers:
May be open when a vehicle is being driven.
Should be closed when a vehicle is being driven.
Should never be used.
Should be removed when a vehicle is being driven.
6.
A surge can occur:
In a fully-filled tank.
In a partially-filled tank.
When driving at a constant speed.
When wind is strong.
7.
Tanks usually have:
Low centers of gravity.
High centers of gravity.
An extra set of brakes.
Lights that always flash.
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