Fuels and Combustion Coal tar (produced by high temperature carbonisation) is the main source of Olefins Paraffins Aromatic compounds Alphatic compounds Olefins Paraffins Aromatic compounds Alphatic compounds ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Function of secondary air in pulverised coal firing is to Transport the coal to the burner Reduce primary air requirement Dry the coal Ensure efficient burning of coal around the burner Transport the coal to the burner Reduce primary air requirement Dry the coal Ensure efficient burning of coal around the burner ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal is done to reduce the Inherent impurities Both B and C Mineral matter Adhering impurities Inherent impurities Both B and C Mineral matter Adhering impurities ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which is the heaviest fuel gas out of the following? Water gas Blast furnace gas Carburetted water gas Coke oven gas Water gas Blast furnace gas Carburetted water gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high volatile matter content will Give less yield of tar and gas on carbonisation Burn with a small non-smoky flame None of these Have a very high calorific value Give less yield of tar and gas on carbonisation Burn with a small non-smoky flame None of these Have a very high calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. Porosity Density None of these Electrical resistivity Porosity Density None of these Electrical resistivity ANSWER DOWNLOAD EXAMIANS APP
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