Oil and Gas Sector

31. Which country is the largest consumer of natural gas in the world?
a) United States
b) Russia
c) China
d) Japan

32. What is the process of converting natural gas into electricity and useful heat called?
a) Cogeneration
b) Combustion
c) Gasification
d) Vaporization

33. Which gas is the primary component of compressed natural gas (CNG)?
a) Oxygen
b) Carbon dioxide
c) Methane
d) Nitrogen

34. What is the process of injecting chemicals into an oil reservoir to enhance oil recovery called?
a) Chemical flooding
b) Water flooding
c) Fracking
d) Acidizing

35. Which country is the largest producer of petroleum products in the world?
a) United States
b) Russia
c) Saudi Arabia
d) China