Which one is NOT how NOx is produced?
A. Percent of Sulphur in the fuel
B. Reactivity of nitrogen compounds contained in the fuel
C. Oxygen availability in the combustion zone
D. None of the above
Answer: A
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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.