CDL TANKER PRACTICE TEST - DISTRICT OF COLUMBIA

11. Which of the following will NOT help you prevent rollover?
Using the controlled braking method.
Keeping the cargo as close to the ground as possible.
Driving slowly around turns.
All of the above.
12. The heavier the vehicle:
the less work the brakes must do to stop it.
the more work the brakes must do to stop it.
the higher the center of gravity will be.
None of the above.
13. If the vehicle ahead of you is smaller than yours:
it will usually take longer to stop.
it will take the same amount of time to stop.
it can probably stop faster than you can.
All of the above.
14. In vehicles with air brakes, the two markings on a front brake limiting valve are:
normal and slippery.
wet and dry.
high and low.
left and right.
15. Which of the following is true? If a HazMat is a Poison Inhalation Hazard:
a POISON INHALATION HAZARD placard must always be displayed even for small amounts.
a POISON INHALATION HAZARD placard must be used in addition to other placards.
the material will have special requirements for shipping papers.
All of the above.
16. Liquid surge occurs:
in full tanks.
if you are caught in strong winds.
in partially filled tanks.
in empty tanks.
17. If your trailer starts to skid, you should:
lock the brakes.
steer in the opposite direction.
pump the brakes.
release the brakes.
18. If you are feeling sleepy, you should:
drive faster.
slow down.
get some coffee.
pull off the road and rest.
19. If there is a fire in your vehicle, do NOT:
park in an open area.
notify emergency services.
pull into a service station.
park away from buildings and other vehicles.
20. Retarders:
reduce the danger of slipping.
help slow a vehicle, reducing the need for using brakes.
reduce braking distance.
improve gas mileage.
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