Sulphur Oxides are contained in?
A. Coals
B. Fuel oils
C. Hot springs
D. All of the above
Answer: D
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Power Engineering Chapter 44
- The part of a tree most adversely affected by acid rain is the:
- Hydrogen is considered ideal as an alternative fuel because:
- Ozone is particularly hazardous in:
- The greenhouse effect is responsible for:
- Nitrogen oxides are referred to collectively as:
- The gaseous pollutant that contributes to acid rain is:
- Incomplete combustion of fuel is responsible for the production of:
- The dual register burner reduces nitrogen oxides in the flue gas by:
- Regenerable systems used for flue gas de-sulphurization:
- Acid rain forms when
- Methane gas is often produced by:
- The most common method of removing sulphur dioxide from flue gases uses:
- A gaseous pollutant that contributes to ozone depletion is:
- Carbon dioxide is responsible for _____ % greenhouse gasses:
- Greenhouse gases allow the passage of ____ energy radiation.
- The conversion of Nitrogen oxides occurs at temperatures above
- Chlorofluorocarbons
- In order for acid rain to be formed
- A gaseous pollutant that contributes to acid rain is?
- The upper level gas that shields the earth from ultraviolet radiation is?
- A kilogram of hydrogen delivers about ___ times more energy than a kilogram of carbon.
- A system that reduces the formation of NOx by limiting turbulence, thus reducing the peak flame temperature at the burner.
- A system that reduces the formation of NOx by recirculation of combustion gases which provides dilution of combustion air.
- A system that reduces the formation of NOx by taking away O2.
- A system that reduces the formation of NOx by taking the remaining air for combustion way from the initial combustion zone.