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Nevada DMV CDL Class A - Test 2 2018

(From the 2018 Nevada CDL Handbook)
Number of tests: 2
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 air pressure should build from ____ to ____ within 3 minutes.
  • Drive in the right lane only

  • Look ahead and maintain a safe following distance

  • Honk your horn to make others aware of your presence

  • Drive slower than the flow of traffic

2. When does the air compressor governor allow air to start pumping?
  • 50

  • 100

  • 75

3. What is the purpose of dummy coupler?
  • Take your eyes off the road

  • All of the above

  • Take your hands off the wheel

  • Take your attention away from the driving task

4. During a pre-trip inspection of your vehicle, you can check if your vehicle is leaking by inspecting for _______.
  • Drive away quickly

  • Slow down and be prepared to stop

  • Proceed normally

  • Take the right-of-way

5. The emergency line has two functions. It controls the emergency brakes on combination vehicles and what else?
  • Your front wheels must be turned toward the street.

  • Your wheels must be within 18 inches of the curb.

  • One of your rear wheels must touch the curb.

6. When uncoupling, if you park the trailer at an angle ______.
  • avoiding spin-outs.

  • none of the above

  • directing the car where the driver wants it to go.

  • decreasing the distance needed to stop the vehicle.