DMV Cartedefr · Alabama · cdl · Combination Test 1

Alabama cdl Combination - Test 1

Number of questions: 20

Passing score: 80%

Acceptable number of errors: 4

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 20 multiple-choice questions, and applicants will have one hour to correctly answer a minimum of 16 questions. The Combination test is not a replacement for the Double/Triple endorsement test.

To DMV Handbooks

13. The service air line is often controlled by the foot brake and is attached to the ____ valves.

A

Relay

B ×

Supply

C ×

Emergency

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