Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 700 to 850 350 to 450 550 to 650 100 to 150 700 to 850 350 to 450 550 to 650 100 to 150 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash increases with increase in its __________ content. Iron sulphate Iron silicate All of these Lime and magnesia Iron sulphate Iron silicate All of these Lime and magnesia ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas is produced by the __________ of cown dung. None of these Hydrogenation Oxidation Fermentation None of these Hydrogenation Oxidation Fermentation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Cannel coal and boghead coal are the examples of None of these Humic coals Liptobiolites Sapropelic coals None of these Humic coals Liptobiolites Sapropelic coals ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ PPm. 1000 50 5000 10000 1000 50 5000 10000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas compared to coke oven gas has Lower ignition temperature Lower theoretical flame temperature Narrower limit of inflammability Higher calorific value Lower ignition temperature Lower theoretical flame temperature Narrower limit of inflammability Higher calorific value ANSWER DOWNLOAD EXAMIANS APP
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