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Nevada DMV CDL Class A - Test 5 2018

(From the 2018 Nevada CDL Handbook)
Number of tests: 5
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. Why should you never leave your vehicle unattended without applying the parking brakes?
  • General service sign for a hospital.

  • General service sign for a hotel.

  • General service sign for a highway.

  • Route H highway sign.

2. Why should you not use the trailer hand valve while driving?
  • All of the above

  • The tailgate of the truck is closed

  • They are properly secured

  • The sides of the truck bed are at least 18 inches high

3. If you take a curve too fast, two things may happen. One is that the tires may keep their traction and the vehicle may roll over. What is the other possibility?
  • 15 to 30 Seconds

  • 10 to 15 seconds

  • I never stop for school buses.

  • 20 to 25 seconds

4. Failing to slow down and check that the tracks are clear of an approaching train can result in you losing your CDL for at least _____ for your first violation.
  • Speed up and pass

  • Stop at least 25 feet away

  • Slow down to 10 mph

  • Stop directly behind the bus

5. The ABS only activates when ______.
  • Use that lane that belongs to oncoming traffic

  • Use the shoulder

  • Flash your lights to oncoming traffic

  • Not cross the center line

6. If the air compressor does not have its own oil supply, how is it lubricated?
  • Look for traffic by turning your head.

  • Turn on your four-way flasher.

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

  • Sound your horn.