Fuels and Combustion With increase in C/H ratio of a fuel, the dew point of flue gases Increases May increase or decrease ; depends on the type of fuel Decreases Remains same Increases May increase or decrease ; depends on the type of fuel Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking coals are invariably Lignites Semi-anthracites Bituminous coals Anthracites Lignites Semi-anthracites Bituminous coals Anthracites ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coals used for the generation of producer gas should have High caking index Low fusion point of ash Very low ash content (8-10%) High volatile matter content High caking index Low fusion point of ash Very low ash content (8-10%) High volatile matter content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gray King Assay and Swelling Index of a coal is a measure of its Abradability Swelling characteristics Resistance to impact breakage Agglutinating properties Abradability Swelling characteristics Resistance to impact breakage Agglutinating properties ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Nitrogen in coal Is present upto 1-2% Is recovered as ammonia during its carbonisation Comes from protein in parent vegetable matter All of these Is present upto 1-2% Is recovered as ammonia during its carbonisation Comes from protein in parent vegetable matter All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called Under pressurising Banking Back draughting None of these Under pressurising Banking Back draughting None of these ANSWER DOWNLOAD EXAMIANS APP
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