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Nevada CDL Practice Test: 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. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Nevada DMV locations.

You have made 2 errors so far.
1. Within the first ____ miles of your journey you should always check that your cargo is secure.
  • School buses and passenger buses carrying passengers.

  • Motorcycles.

  • Pick up trucks.

  • Vehicles towing a trailer.

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

  • Look for traffic by turning your head.

  • Sound your horn.

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

3. In tractors and straight trucks spring brakes will come on fully when the air pressure drops to what range?
  • Even the smallest amount of alcohol

  • Only a blood alcohol level greater than .05

  • Alcohol does not

  • Only a blood alcohol level greater than the legal limit

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

  • Take your attention away from the driving task

  • Take your eyes off the road

  • Take your hands off the wheel

5. The space under a heavily loaded vehicle is very small. Because of this you might want to avoid what surfaces?
  • Warning of a winding road ahead.

  • Warning of merging traffic to the right.

  • Warning of a right curve ahead.

  • Warning of a right turn ahead.

6. The parking brake valve should close when the air pressure falls into what range?
  • Your own reaction time

  • Condition of your vehicle's brakes

  • Condition and type of vehicle tires

  • The time of day