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 Handbooks9. During an applied leakage test, the maximum leakage rate for a triple combination vehicle is:
A
×
10 psi in a minute.
B
×
8 psi in a minute.
C
√
6 psi in a minute.
D
×
4 psi in a minute.