LNG Operations - Engine

SIGTTO - The Society of International Gas Tanker and Terminal Operators

This test will assess your knowledge of gas tanker operations, with a focus on industry standards and best practices as defined by SIGTTO (Society of International Gas Tanker & Terminal Operators Ltd). It will cover key aspects such as safety protocols, cargo handling, operational procedures, and emergency response specific to LNG and LPG vessels.

Questions 20

Time Limit 9 min

Language English

Sample Questions

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Question 1

What is the main function of the inert gas dryer moisture removing?

A There is no moisture in inert gas.

B The moisture is removed by draining from the vessel.

C The inert gas dryer involves adsorption of moisture inside the tower.

Question 2

Assuming atmospheric pressure, temperatures at which METHANE change from vapour to liquid:

A - 42.1 °C

B - 0.5 °C

C - 33.4 °C

D - 104 °C

E - 162 °C

Question 3

What is cooling media in centrifugal type LD compressor?

A Methane.

B Fresh water.

C Lubricating oil.

Question 4

What is flammability range of LNG?

A Refers to amount of LNG which will burn.

B Refers to the range of concentrations of natural gas in air where it can ignite if an ignition source is present.

C Refers to amout if nitrogen which will ignites the LNG vapor.

Question 5

What is the main hazard from nitrogen?

A asphyxiation

B poisoning

C burning

SIGTTO - The Society of International Gas Tanker and Terminal Operators

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