Pennsylvania cdl Double - Test 1
Number of questions: 20
Passing score: 80%
Acceptable number of errors: 4
This endorsement is required if the driver will pull two or three trailers. 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 chapter covering: Doubles and Triples. The Double/Triple endorsement can be used with the Class A CDL.
To DMV Handbooks14. When uncoupling a dolly, you should:
Unlock the pintle hook before moving the dolly out from under the rear trailer.
Move the dolly out from under the rear trailer before unlocking the pintle hook.
Raise the dolly landing gear.
Remove the dolly as quickly as possible.