PROPANE, LPG & NATURAL GAS
QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS 100%
CORRECT RATED A+ ||UPDATED 2026
Question 1
Where is natural gas stored?
Answer: Natural gas is primarily stored in underground facilities,
including:
1. Depleted oil/gas reservoirs (the most common method)
2. Aquifers (underground water-bearing rock formations)
3. Salt caverns (hollowed-out underground salt formations)
(Small/localized quantities are also stored above ground in pressurized gas tanks
or chilled LNG (Liquefied Natural Gas) tanks).
Question 2
Where is LPG (Liquefied Petroleum Gas) stored?
Answer: LPG is stored in various sizes of pressure vessels in liquid form
(such as portable DOT cylinders, residential ASME tanks, or large bulk
storage containers).
Question 3
What is LPG (Liquefied Petroleum Gas)?
Answer: A mixture of liquefied propane (C3H8) and butane (C4H10gas
removed from natural gas processing or crude oil refining and used as fuel.
Question 4
Fill in the blank: LPG (Liquefied Petroleum Gas) vapor is _____________
than air.
Answer: Heavier
QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS 100%
CORRECT RATED A+ ||UPDATED 2026
Question 1
Where is natural gas stored?
Answer: Natural gas is primarily stored in underground facilities,
including:
1. Depleted oil/gas reservoirs (the most common method)
2. Aquifers (underground water-bearing rock formations)
3. Salt caverns (hollowed-out underground salt formations)
(Small/localized quantities are also stored above ground in pressurized gas tanks
or chilled LNG (Liquefied Natural Gas) tanks).
Question 2
Where is LPG (Liquefied Petroleum Gas) stored?
Answer: LPG is stored in various sizes of pressure vessels in liquid form
(such as portable DOT cylinders, residential ASME tanks, or large bulk
storage containers).
Question 3
What is LPG (Liquefied Petroleum Gas)?
Answer: A mixture of liquefied propane (C3H8) and butane (C4H10gas
removed from natural gas processing or crude oil refining and used as fuel.
Question 4
Fill in the blank: LPG (Liquefied Petroleum Gas) vapor is _____________
than air.
Answer: Heavier