North Carolina cdl Combination - Test 1
Number of questions: 25
Passing score: 80%
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 25 multiple-choice questions, and applicants will need to correctly answer a minimum of 20 questions to pass. The Combination test is not a replacement for the Double/Triple endorsement test.
To DMV Handbooks23. 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.