Fuels and Combustion Purity of coke means that, it is high in carbon and low in Moisture Volatiles Iron Ash Moisture Volatiles Iron Ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the All of these Increase in gas pressure Use of pure oxygen for combustion instead of air Increase in temperature (i.e. preheating) All of these Increase in gas pressure Use of pure oxygen for combustion instead of air Increase in temperature (i.e. preheating) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Height of coke oven is limited (say maximum upto 7 metres) mainly by the Buckling of ram of pusher car at the time of coke pushing Problem in door cleaning Problem of uniform heating along its height Structural strength of silica bricks Buckling of ram of pusher car at the time of coke pushing Problem in door cleaning Problem of uniform heating along its height Structural strength of silica bricks ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require least amount of secondary air for combustion? Semi-bituminous coal containing 25% ash and 20% volatile matter Bituminous coal containing 20% ash and 25% volatile matter Coke breeze containing 25% ash and 2% volatile matter Anthracite containing 10% volatile matter and 8% ash Semi-bituminous coal containing 25% ash and 20% volatile matter Bituminous coal containing 20% ash and 25% volatile matter Coke breeze containing 25% ash and 2% volatile matter Anthracite containing 10% volatile matter and 8% ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a binder for coal briquetting? None of these Bitumen Coal tar Molasses None of these Bitumen Coal tar Molasses ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Size of blast furnace grade coke is __________ mm. 0-15 15-25 25-80 >100 0-15 15-25 25-80 >100 ANSWER DOWNLOAD EXAMIANS APP
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