DMV Cartedefr · Utah · cdl · Combination Test 2

Utah cdl Combination - Test 2

Number of questions: 30

Passing score: 83%

Acceptable number of errors: 5

All applicants who are applying for a Class A CDL should be prepared to take the Combination test. This test covers information found in Section 6 of the Commercial Driver License Manual. Section 6 provides the information needed to safely operate tractor-trailers, doubles, triples, and straight trucks with trailers. The test is made up of 30 multiple-choice questions, and applicants will need to correctly answer a minimum of 24 questions to pass. The Combination test is not a replacement for the Double/Triple endorsement test.

To DMV Handbooks

21. A tractor protection valve is:

A

A device that keeps air in the tractor or truck brake system, should the trailer break away or develop a bad leak.

B ×

A device that prevents theft.

C ×

A device that controls fuel levels.

D ×

A device that allows the battery to recharge efficiently.

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