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Make sure to couple matching glad hands.
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Any glad hand can be connected to any other glad hand.
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It is best to leave one glad hand unattached.
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Only one set of glad hands should be connected.
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Pennsylvania CDL Permit Test - Tank
(From the 2021 Pennsylvania CDL driver handbook)
| 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.
Passing grade —
4 or fewer errors
advertising
1.
When coupling a trailer:
2.
With your low beam headlights turned on, you should be able to see about ____ ahead of your vehicle.
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15 feet
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75 feet
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100 feet
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250 feet
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3.
A tractor protection valve is:
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A device that keeps air in the tractor or truck brake system, should the trailer break away or develop a bad leak.
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A device that prevents theft.
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A device that controls fuel levels.
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A device that allows the battery to recharge efficiently.
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4.
The identification number associated with a hazardous material should appear:
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On the material's packaging.
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On the vehicle's license plate.
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Directly next to a placard.
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On a bumper sticker on the vehicle.
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5.
If there is a collision involving a vehicle transporting Class 1 explosives, the driver should:
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Not warn others of the danger.
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Allow smoking near the vehicle.
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Keep the explosives inside the vehicle until after separating the vehicles involved in the collision.
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Remove the explosives from the vehicle before separating the vehicles involved in the collision.
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6.
Placards must be placed:
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In any manner, as long as they are visible.
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So words and numbers are read from left to right.
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Upside down.
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Within three inches of other markings.
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7.
What is the average driver’s reaction time?
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One-sixteenth of a second
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One-eighth of a second
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Between three-quarters of a second and one second
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Two seconds
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