LNG Operations - Engine

Cargo System Basics

This test covers the fundamentals of LNG. A chance to test your expertise can arise even before a job posting comes up. You will check your knowledge in LNG related containment system, compressors either BOG Low Duty and High Duty, safety systems like ESD, Gas detection, etc. The discussion of real situations will rise your awareness and increase your competence.

Mga Tanong 18

Time Limit 9 min

Wika Ingles

Mga Sample na Tanong

Narito ang ilang halimbawang tanong mula sa quiz na ito. I-download ang GYRO app upang kunin ang buong pagsusulit.

Tanong 1

What are two common types of N2 generators on the fleet?

A There are membrane generators and diesel generators.

B There are inert gas based generators and PSA generators.

C There are membrane based generators and PSA generators.

Tanong 2

What is the difference between two common types of N2 generators?

A The difference is in the way they separate air molecules from the nitrogen.

B The difference is in the way they separate nitrogen molecules from the air.

C The difference is in the way they separate air molecules from the gas.

Tanong 3

What is main purpose of JBOG system?

A An effect which describes the Joule Thomson law

B To recover the BOG which was sent from the vessel

C To separate sealing oil from the gas

Tanong 4

What is composition of LNG?

A 91% of methane, 6% of ethane, 2% of propane and other gases.

B 100 % of methane.

C 79 % of methane and 21 % of oxygen.

Tanong 5

Which cargo tanks design has higher cool down temperature?

A All cargo tanks gave same cooldown temperature.

B Moss tanks have higher cooldown temperature.

C Membrane tanks have higher cooldown temperature.

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