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Maryland CDL Practice Test: Tank and Hazmat - Test 2018

(From the 2018 Maryland CDL Handbook)
Number of tests: 1
Number of questions: 30
Passing score: 80

Directions: 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. What helps control the forward and backward liquid surge?
  • Under no conditions.

  • To pass a slow moving truck.

  • To pass a car if traffic permits.

  • To turn into a driveway.

2. A "smooth bore" tank is another term for what type of tanker?
  • Leave your front wheels turned toward the curb.

  • Make sure your car almost touches the car behind you.

  • Move as far forward in the space as possible.

  • Straighten your front wheels and leave room between cars.

3. What makes a bulk liquid tanker difficult to manage?
  • 210 feet

  • 150 feet

  • 33 feet

  • 66 feet

4. A tank trailer with baffles helps to control ________.
  • Looking in both rearview and sideview mirrors

  • Looking in the inside rearview mirror only

  • Looking in the sideview mirror only

  • Looking in your mirrors and turning your head to look over your shoulder

5. Transporting liquids in tank vehicles requires special skills for two reasons: One is the tank's high center of gravity; the second is _____.
  • No U-turn.

  • Truck route to the left.

  • No left turn.

  • All traffic turn left.

6. Before a trip, you should __________.
  • Some traffic signs are less visible at night.

  • More vehicles are on the road at night.

  • The distance we can see ahead is reduced.

  • Street lights tend to blur our vision.