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Nevada DMV CDL Class A - Test 6 2018

(From the 2018 Nevada CDL Handbook)
Number of tests: 6
Number of questions: 30
Passing score: 80

Directions: When applying for this license, applicants must pass a 50-question test. And applicants must score 80% to pass the test. The following questions are based on the details provided in the Nevada Commercial Driver Handbook. Endorsements that may be used with a Class A CDL include Hazardous Materials, Passenger, Double and Triples, HazMat and Tanker, Air Brakes and School bus.

You have made 2 errors so far.
1. The space under a heavily loaded vehicle is very small. Because of this you might want to avoid what surfaces?
  • Warning of a right curve ahead.

  • Warning of merging traffic to the right.

  • Warning of a winding road ahead.

  • Warning of a right turn ahead.

2. In tractors and straight trucks spring brakes will come on fully when the air pressure drops to what range?
  • Only a blood alcohol level greater than the legal limit

  • Alcohol does not

  • Only a blood alcohol level greater than .05

  • Even the smallest amount of alcohol

3. If the air compressor does not have its own oil supply, how is it lubricated?
  • Turn on your four-way flasher.

  • Sound your horn.

  • Look for traffic by using your inside rear-view mirror.

  • Look for traffic by turning your head.

4. Within the first ____ miles of your journey you should always check that your cargo is secure.
  • Vehicles towing a trailer.

  • Motorcycles.

  • School buses and passenger buses carrying passengers.

  • Pick up trucks.

5. What is the purpose of dummy coupler?
  • All of the above

  • Take your hands off the wheel

  • Take your attention away from the driving task

  • Take your eyes off the road

6. The parking brake valve should close when the air pressure falls into what range?
  • Condition of your vehicle's brakes

  • The time of day

  • Your own reaction time

  • Condition and type of vehicle tires