Question

Which of the following is not a gaseous fuel? ​

Answer 1

Question:

Which of the following is not a gaseous fuel? 

Answer:

Fuel gas is any one of a number of fuels that under ordinary conditions are gaseous. Many fuel gases are composed of hydrocarbons (such as methane or propane), hydrogen, carbon monoxide, or mixtures thereof.Gaseous fuels may be divided into four classes: natural gas, producer gas, water gas and coal gas. Natural gas exists already formed in the earth, and is obtained by boring tube wells, similar to petroleum wells. Its essential heat producing constituents are methane (CH4) and hydrogen.

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Answer 2

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