Tankerman Assistant LG Practice Test (Liquefied Gas)

The same rating for LNG and LPG ships and barges: boil-off, rollover, gas detectors, cold cargo. Coast Guard exam code TK02.

50 real questions from the Coast Guard National Maritime Center's public sample exams, free. Each module needs 70% to pass.

Passing score: Coast Guard pass marks module by module, and the retest rules

What's free: daily rounds, the Brig, the drills and the Pass Meter, for every license. Your first module test is free too. After that, the full Exam Room is $19, once. No subscription.

What's on the test

10 sample questions

1. The condition of asphyxia arises from which of the following?

   • A.Improper caloric intake
   • B.Sleep deprivation
   • C.Too much oxygen
   • D.An inadequate supply of oxygen
   Show answer

   D. An inadequate supply of oxygen

   Q456, Tankship Dangerous Liquids

2. What do the emergency shutdown requirements of U.S. regulations apply to?

   • A.Cargo transfer systems
   • B.Air compressors
   • C.Condensate pumps
   • D.Induced draft fans
   Show answer

   A. Cargo transfer systems

   Q456, Tankship Dangerous Liquids

3. What is the lowest temperature at which the vapors of a flammable liquid will ignite and cause self-sustained combustion in the presence of a spark or flame?

   • A.fire point
   • B.vaporization temperature
   • C.autoignition temperature
   • D.flash point
   Show answer

   A. fire point

   Q456, Tankship Dangerous Liquids

4. Which of the following describes the depth of a product in a tank?

   • A.Thievage
   • B.Outage
   • C.Innage
   • D.Ullage
   Show answer

   C. Innage

   Q456, Tankship Dangerous Liquids

5. Which of the following is the primary function of the screens that are fitted to the fuel oil tank vents?

   • A.prevent vapors from leaving the tank vent
   • B.prevent oil from flowing out of the tank vent
   • C.prevent flames on deck from entering the tank vent
   • D.prevent air from entering the tank vent
   Show answer

   C. prevent flames on deck from entering the tank vent

   Q456, Tankship Dangerous Liquids

6. Which of the following describes the flash point temperature of a liquid?

   • A.at which a liquid will burn steadily
   • B.at which a liquid will give off inflammable vapors
   • C.that a liquid must reach before it will flow readily
   • D.at which a liquid will explode
   Show answer

   B. at which a liquid will give off inflammable vapors

   Q456, Tankship Dangerous Liquids

7. U.S. regulations require an emergency means of stopping the flow of oil or LNG during transfer operations. The emergency means may be which of the following?

   • A.self-closing automatic disconnect fitting
   • B.emergency pump control on the cargo deck
   • C.automatic pressure-sensitive oil flow regulator
   • D.manually-operated quick-closing valve
   Show answer

   B. emergency pump control on the cargo deck

   Q456, Tankship Dangerous Liquids

8. For all loading operations, the terminal must supply the vessel with a means in which the vessel's designated person in charge may stop the flow of oil to the vessel, insuring immediate shutdown in the event of a hose rupture, tank overflow, etc. Which of the following choices will accomplish this task as required by 33 CFR?

   • A.a specific sequence of lights
   • B.a loudhailer from the vessel bridge
   • C.a signal-board on the bridge
   • D.a pneumatically or mechanically operated device
   Show answer

   D. a pneumatically or mechanically operated device

   Q456, Tankship Dangerous Liquids

9. What would likely happen if you were exposed to a 100% methane atmosphere for more than 15 minutes?

   • A.Become quite ill due to the toxic nature of the gas
   • B.Break out in a cryogenic rash
   • C.Suffocate
   • D.Be severely burned
   Show answer

   C. Suffocate

   Q456, Tankship Dangerous Liquids

10. Which of the following will prevent a flammable atmosphere from occurring in a cargo tank on a tank vessel?

    • A.an oxidizer
    • B.a combustion stabilizer
    • C.a vortex eliminator
    • D.inert gas
    Show answer

    D. inert gas

    Q456, Tankship Dangerous Liquids

What the study guide does

• Short daily rounds of 10 questions, with a streak.
• Practice tests built like the real one, scored with the real pass marks (first one free, then $19 once for the full Exam Room).
• The Brig: questions you miss come back until you get them right twice.
• Pass Meter: your chance of passing every module if you sat it today, worked out from your own answers.