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Connecticut CDL Practice Test: Class A - Test 2 2019

(From the 2019 Connecticut 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 Connecticut 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 Connecticut DMV locations.

You have made 2 errors so far.
1. When uncoupling, if you park the trailer at an angle ______.
  • avoiding spin-outs.

  • decreasing the distance needed to stop the vehicle.

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

  • none of the above

2. During a pre-trip inspection of your vehicle, you can check if your vehicle is leaking by inspecting for _______.
  • Proceed normally

  • Slow down and be prepared to stop

  • Take the right-of-way

  • Drive away quickly

3. The air pressure should build from ____ to ____ within 3 minutes.
  • Drive slower than the flow of traffic

  • Drive in the right lane only

  • Look ahead and maintain a safe following distance

  • Honk your horn to make others aware of your presence

4. When does the air compressor governor allow air to start pumping?
  • 100

  • 50

  • 75

5. 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.

  • One of your rear wheels must touch the curb.

  • Your front wheels must be turned toward the street.

6. What is the purpose of dummy coupler?
  • Take your attention away from the driving task

  • Take your eyes off the road

  • Take your hands off the wheel

  • All of the above