Oil and Gas Sector

41. Which gas is responsible for the formation of natural gas hydrates, also known as “fire ice”?
a) Oxygen
b) Carbon dioxide
c) Methane
d) Nitrogen

42. What is the process of injecting acid into an oil reservoir to dissolve rocks and enhance oil recovery called?
a) Acidizing
b) Fracking
c) Desalination
d) Desulfurization

43. Which country is the largest importer of natural gas in the world?
a) United States
b) Japan
c) Germany
d) China

44. What is the process of converting natural gas into electricity through the use of fuel cells called?
a) Fuel cell technology
b) Gasification
c) Methanation
d) Pyrolysis

45. Which gas is added to natural gas pipelines to increase its heating value?
a) Oxygen
b) Carbon dioxide
c) Methane
d) Propane