DMV Cartedefr · Colorado · cdl · Combination Test 2

Colorado cdl Combination - Test 2

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 need to correctly answer a minimum of 16 questions to pass. The Combination test is not a replacement for the Double/Triple endorsement test.

To DMV Handbooks

4. The emergency air line:

A ×

Is controlled by the foot brake.

B ×

Is connected to the relay valves.

C

Supplies air to the trailer air tanks.

D ×

Prevents skids.

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