GS PrelimsScience and TechnologyInnovation in Energy Technology2005

Consider the following statements: 1. Liquefied Natural Gas (LNG) is liquefied under extremely cold temperatures and high pressure to facilitate storage or transportation in specially designed vessels. 2. Fist LNG terminal in India was built in Hassan. 3. Natural Gas Liquids (NGL) are separated from LPG and these include ethane, propane, butane and natural gasoline. Which of the statements is/are correct?

A

1 only

B

1 and 3

C

2 and 3

D

1, 2 and 3

Correct Answer: Option A

Explanation

1. Statement 1 is correct. Liquefied Natural Gas (LNG) is natural gas (primarily methane) that has been cooled down to liquid form (around -162 °C) for ease and safety of non-pressurized storage or transportation. It is liquefied under extremely cold temperatures but stored at near atmospheric pressure, not typically high pressure. 2. Statement 2 is incorrect. The first LNG terminal in India was commissioned at Dahej, Gujarat (by Petronet LNG Ltd.) in 2004, not in Hassan, Karnataka. 3. Statement 3 is incorrect. Natural Gas Liquids (NGLs) like ethane, propane, butane, and natural gasoline are components of raw natural gas that are separated out during processing. Liquefied Petroleum Gas (LPG) consists mainly of propane and butane. NGLs are *not* separated from LPG; rather, LPG components (propane, butane) are part of the NGLs separated from natural gas. 4. Therefore, only statement 1 is correct.

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