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Vapor Control Systems

CBT 19 questions

First 5 of 19 questions — with answers

The correct answer is marked. Unlock the rest to study the whole test, online or offline.

  1. Question 1

    After a dock automatic shutdown, it is OK to resume transfer operations:
    • When the reason for the shutdown is known and corrected and the information has been passed on to the dispatcher.
    • When dock operations appear to be back to normal.
    • When the dispatcher gives the OK.

  2. Question 2

    As the cargo tank space fills with liquid, the vapors:
    • Vent out of the tank by a vent stack or into the dock collection system.
    • Build up in the tank.
    • Collect in the barge’s collection system.
    • Vent out through the vent stack into the air.

  3. Question 3

    Barge vent piping is used to direct the tank vapors into a common manifold on the barge deck.
    • True.
    • False.

  4. Question 4

    Carbon bed absorption is one method that may be used to reclaim carbon vapors once they are collected at the dock facility.
    • True.
    • False.

  5. Question 5

    High initial loading rates and improper gauging techniques can generate ... that can cause an explosion if there are vapors in the surrounding area in the explosive range.
    • Static electricity.
    • Excessive pressure.
    • Incorrect ullage readings.

Preview — 5 of 19 questions

You are seeing the first 5 questions with answers. Unlock the remaining 14 to study the whole test — online or offline.

About this CBT test

Vapor Control Systems is a CBT test with 19 questions and verified answers. Common topics include: transfer, vapors, vapor, cargo, barge, tank, vent, reason.

You can practise the free questions online — one at a time, with the correct answer — or unlock the whole test and download it to study offline, without internet.

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