Fuels and Combustion Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of Less air for combustion Correct amount of air for combustion Too much air for combustion Pulverised coal in boilers Less air for combustion Correct amount of air for combustion Too much air for combustion Pulverised coal in boilers ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of pulverised coal in boiler furnace provides Smokeless burning Better combustion Less erosion on furnace walls High calorific value Smokeless burning Better combustion Less erosion on furnace walls High calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke Should be brittle Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should have high porosity Should have low fusion point of its ash Should be brittle Must contain moderate quantities of ash, moisture, sulphur and volatile matters Should have high porosity Should have low fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gray King Assay and Swelling Index of a coal is a measure of its Abradability Agglutinating properties Resistance to impact breakage Swelling characteristics Abradability Agglutinating properties Resistance to impact breakage Swelling characteristics ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Nitrogen in coal All of these Is present upto 1-2% Comes from protein in parent vegetable matter Is recovered as ammonia during its carbonisation All of these Is present upto 1-2% Comes from protein in parent vegetable matter Is recovered as ammonia during its carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficiency of the combustion of a fuel is judged by the __________ the flue gas. %of CO₂ in % of O₂in Colour of Temperature of %of CO₂ in % of O₂in Colour of Temperature of ANSWER DOWNLOAD EXAMIANS APP
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