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

23. In a vehicle equipped with an automatic tractor protection valve, the valve will pop out when:

A

Air pressure drops to a level between 20 and 45 psi.

B ×

You are experiencing a trailer jackknife.

C ×

Wheels have regained traction after a skid.

D ×

Air pressure is above 45 psi.

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