this video helpful for people who were preparing for dg shipping exit exams also known as modeler course exit exam.for following
1. octco exit exam
2. ocft exit exam


Question number, 1 . in IG, the mass of the water vapour contained in a given volume of saturated gas depends on the of
the gas.

option a temperature.
option b. pressure.
option c. volume.
option d. velocity.
the correct answer is option a temperature.









Question number, 2 . A centrifugal pump should always be started against a closed or partially open valve in order to.


option a. Minimise.
option b. Maximise.
option c. Increase.
option d. none.
the correct answer is option a. Minimise





Question number,3 . A centrifugal pump requires priming.

option a. To initially unload the pump by having its head pressure equal to discharge pressure.
option b. Due to the Inability of this type of pump to lift water to cover the auction eye of the impeller.
option c. In order overcome the potential energy water in the discharge line.
option d. Primary to lubricate the shaft seal.
the correct answer is option b. Due to the Inability of this type of pump to lift water to cover the auction eye of the impeller.










Question number, 4 . that part of the ship which contains the cargo containment system, cargo pumps, compressor room containment system, excluding where fitted,
cofferdam, ballast tanks and void spaces at the after end of forward most hold space are known as.


option a. cargo containment.
option b. cargo area.
option c. motor room.
option d. none of the above.
the correct answer is option b. cargo area.



Question number, 5 .When cargo discharge into pressurized storage cargo booster pump and cargo heater runs in with the cargo pump.


option a. Series.
option b. Parallel.
option c. Equally.
option d. None.
the correct answer is option a. Series.





Question number, 6 . Segregated or dedicated blast.


option a . It is meant by segregation of dirty and clean blast.

option b . It is meant by individual tank blast water in tanks which
has been exchanged and which are yet exchanged.

option c . It is the standard quantity of ballast maintained by any
ship in a repeated voyage in the same trade.

option d . It is the ballast kept in tanks segregated from cargo pipes and tanks.
the correct answer is option d . It is the ballast kept in tanks segregated from cargo pipes and tanks.




Question number, 7 . What should an emergency plan should be directed to?


option a. The rescue and treatment of casualties and safeguarding others.
option b. Minimising damage to ship, property and environment.
option c. Containing and bringing the incident under.
option d. All of the above.
the correct answer is option d. All of the above.




Question number, 8 .What is the use of IGS interlock switch in inert gas system?

option a. To avoid running inert gas when oxygen content increased to 8% volume.
option b. For using inert gas in gas free mode.
option c. If the tank pressure in IGS system drops to 100 mm of water gauge cargo oil pump will trip.
option d. Atmosphere valve will get fully open if oxygen content increase to 8% by volume.
the correct answer is option a. To avoid running inert gas when oxygen content increased to 8% volume.



Question number, 9 . ISGOTT stands for.

option a. International safety guide for all tankers and terminale.
option b. International safety guide for oil tankers and terminal.
option c. International safety guide for gas and oil tankers.
option d. International safety guide for oil terminals.
the correct answer is option b. International safety guide for oil tankers and terminal.



Question number, 10 . Why the carriage and usage of hand gas lighters are provided on board oil and chemical tankers?
What is used for igniting a fire?

option a. Intrinsically safe lighters are used to test the heat and flame detectors.
option b. Safety igniters are used for lighting out gas torches before heat work.
option c. Safety matches are available to use in the designated smoking area.
option d. Both A and C.
the correct answer is option c. Safety matches are available to use in the designated smoking area







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