Enegy And Society II - SS3 Physics Past Questions and Answers - page 2
What is the primary use of natural gas in the United States?
Electricity generation
Transportation
Industrial processes
Residential heating
Which of the following is a potential environmental impact of natural gas production?
Increased water pollution
Decreased air pollution
Increased biodiversity
Increased soil fertility
What is natural gas?
What are the benefits of natural gas?
Which of the following is not a product of the complete combustion of hydrocarbon fuels?
Carbon dioxide
Water
Nitrogen gas
Carbon monoxide
Incomplete combustion of hydrocarbons can produce:
Carbon dioxide
Water
Carbon monoxide
Both A) and B)
The stoichiometric air-fuel ratio for the complete combustion of a hydrocarbon fuel is:
The ratio of air to fuel that produces the maximum heat output
The ratio of air to fuel that produces the minimum heat output
The ratio of air to fuel that produces a complete combustion
The ratio of air to fuel that produces incomplete combustion
The heat of combustion of a fuel:
Is the amount of heat released when the fuel is burned completely
Is the amount of heat required to ignite the fuel
Is the amount of heat required to convert the fuel from a solid to a liquid state
Is the amount of heat required to convert the fuel from liquid to gaseous state
The main combustion products of diesel fuel are:
Carbon monoxide and water
Carbon dioxide and water
Carbon monoxide and nitrogen oxides
Carbon dioxide and nitrogen oxides
What is fuel combustion?