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Maryland CDL Practice Test: Class A - Test 4 2019

(From the 2019 Maryland CDL Handbook)
Number of tests: 4
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 Maryland 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 Maryland DMV locations.

You have made 2 errors so far.
1. Why is rough acceleration ill-advised when pulling a trailer?
  • No right turn warning.

  • Railroad crossing ahead warning sign.

  • Advance warning of a cross intersection.

  • X intersection ahead warning sign.

2. What is a front brake limiting valve?
  • Should drive slower than other traffic for 200 feet.

  • Need a large enough gap to get up to the speed of traffic.

  • Should wait for the first two vehicles to pass, then drive into the lane.

3. The _______ can be used to slow the vehicle while you are driving down a hill.
  • directing the car where the driver wants it to go.

  • decreasing the distance needed to stop the vehicle.

  • avoiding spin-outs.

  • none of the above

4. When you are transporting cargo, you should inspect your cargo within the first ___ miles.
  • Fluctuate your speed to keep alert

  • Drive slower than the flow of traffic

  • Drive faster than the flow of traffic

  • Drive with the flow of traffic

5. Where is the braking mechanism located?
  • To know when it is safe to cross

  • To stop at the curb before crossing the street

  • Not to cross unless they are with an adult

  • To run out in front of you without looking

6. For what offense are you able to bypass a commercial motor vehicle disqualification?
  • 15 to 20 seconds

  • 5 to 10 seconds

  • 10 to 15 seconds