Fuels and Combustion Blast furnace gas compared to coke oven gas has Higher calorific value Lower ignition temperature Narrower limit of inflammability Lower theoretical flame temperature Higher calorific value Lower ignition temperature Narrower limit of inflammability Lower theoretical flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For maximum discharge through a chimney, its height should be More than 105.7 metres Infinitely long Equal to the height of the hot gas column producing draught 200 meters More than 105.7 metres Infinitely long Equal to the height of the hot gas column producing draught 200 meters ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite coal Ignites more easily than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke Contains more volatile matter than bituminous coal Is essentially a coking coal Ignites more easily than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke Contains more volatile matter than bituminous coal Is essentially a coking coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of combustion air is done to Increase the adiabatic flame temperature Complete the combustion of fuel Increase the calorific value of the fuel Reduce its requirement for effecting the complete combustion Increase the adiabatic flame temperature Complete the combustion of fuel Increase the calorific value of the fuel Reduce its requirement for effecting the complete combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High excess air in combustion of fuels results in None of these Incomplete combustion Increased fuel consumption Smoky flame None of these Incomplete combustion Increased fuel consumption Smoky flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coalification means the Direct hydrogenation of coal Complete combustion of coal Process of conversion of lignite into anthracite Underground gasification of coal Direct hydrogenation of coal Complete combustion of coal Process of conversion of lignite into anthracite Underground gasification of coal ANSWER DOWNLOAD EXAMIANS APP
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