DMV Cartedefr · Massachusetts · cdl · Double Test 1

Massachusetts 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. Each question has four possible answer choices. Test questions come from the Commercial Driver License Manual. Questions come from chapters covering: Driving Safely, Air Brakes (if applicable), Combination Vehicles and Doubles and Triples. The Double/Triple endorsement can be used with the Class A CDL.

To DMV Handbooks

16. Air tank drains:

A ×

Allow rain water to enter the tanks.

B

Are used to drain water and oil from the tanks.

C ×

Should never be opened.

D ×

Must remain open while driving.

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