Fuels and Combustion Natural draft created by the chimney depends upon Its height Neither A nor B Temperature of the flue gas Both A & B Its height Neither A nor B Temperature of the flue gas Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For long flame and easy ignition, the coal used should have High volatile matter Low ash High ash High calorific value High volatile matter Low ash High ash High calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require least amount of secondary air for combustion? Coke breeze containing 25% ash and 2% volatile matter Anthracite containing 10% volatile matter and 8% ash Bituminous coal containing 20% ash and 25% volatile matter Semi-bituminous coal containing 25% ash and 20% volatile matter Coke breeze containing 25% ash and 2% volatile matter Anthracite containing 10% volatile matter and 8% ash Bituminous coal containing 20% ash and 25% volatile matter Semi-bituminous coal containing 25% ash and 20% volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following fuels, the difference between gross and net calorific value will be minimum in case of Natural gas Blast furnace gas Coke oven gas Water gas Natural gas Blast furnace gas Coke oven gas Water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite can be used for Recarbonising steel Blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke All of these Making carbon electrodes Recarbonising steel Blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke All of these Making carbon electrodes 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