To reduce nitrogen oxides in the flue gas, the dual register burner:
a. reduces turbulence to delay combustion hence reducing temperatures
b. completes combustion in the burner tube before the furnace area
c. supplies cooling air to reduce furnace temperature
d. increases turbulence for most efficient combustion
e. uses maximum excess air for combustion at high temperatures
Answer: A
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Potential Environmental Impact of Gases
- The greatest effect of acid rain is on the ______ of the plants.
- The main components of acid rain are:
- Ozone is harmful at:
- A gaseous pollutant that contributes to acid rain is:
- Regenerable systems used for flue gas desulphurization:
- Hydrogen as an alternative fuel is considered ideal because:
- The greenhouse gases allow:
- The upper level gas that shields the earth from ultraviolet radiation is:
- Carbon dioxides is responsible for:
- Nitrogen oxides are referred collectively as:
- In order for acid rain to be formed:
- Incomplete combustion of fuel is responsible for the production of:
- The conversion of nitrogen to nitrogen oxides occurs at temperatures above: