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Tennessee CDL Practice Test: Class A - Test 2 2019

(From the 2019 Tennessee 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 Tennessee 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 Tennessee DMV locations.

You have made 2 errors so far.
1. When uncoupling, if you park the trailer at an angle ______.
  • decreasing the distance needed to stop the vehicle.

  • avoiding spin-outs.

  • none of the above

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

2. The emergency line has two functions. It controls the emergency brakes on combination vehicles and what else?
  • Your wheels must be within 18 inches of the curb.

  • Your front wheels must be turned toward the street.

  • One of your rear wheels must touch the curb.

3. The air pressure should build from ____ to ____ within 3 minutes.
  • Honk your horn to make others aware of your presence

  • Drive in the right lane only

  • Drive slower than the flow of traffic

  • Look ahead and maintain a safe following distance

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

  • 75

  • 100

5. During a pre-trip inspection of your vehicle, you can check if your vehicle is leaking by inspecting for _______.
  • Slow down and be prepared to stop

  • Take the right-of-way

  • Drive away quickly

  • Proceed normally

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

  • Take your attention away from the driving task

  • Take your hands off the wheel

  • Take your eyes off the road