Fuels and Combustion For maximum discharge through a chimney, its height should be More than 105.7 metres Infinitely long 200 meters Equal to the height of the hot gas column producing draught More than 105.7 metres Infinitely long 200 meters Equal to the height of the hot gas column producing draught ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel combustion is never cent per cent efficient due to Dry gas/stack gas loss Incomplete combustion Moisture loss All of these Dry gas/stack gas loss Incomplete combustion Moisture loss All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion (64-132) rank coal (ASTM) means a coal with 64% Fixed carbon and having a heat value of 13, 200 BTU/1b None of these Fixed carbon and a heating value of 132 BTU/1b Ash and a heating value of 13, 200 BTU/1b Fixed carbon and having a heat value of 13, 200 BTU/1b None of these Fixed carbon and a heating value of 132 BTU/1b Ash and a heating value of 13, 200 BTU/1b ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of gaseous fuels, deficiency of air Does not affect the flame length Increases the flame temperature Tends to shorten the flame Lengthens the flame Does not affect the flame length Increases the flame temperature Tends to shorten the flame Lengthens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels has the lowest calorific value? Gobar gas Converter gas Refinery gas Blast furnace gas Gobar gas Converter gas Refinery gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke having higher porosity has Higher reactivity Lower strength Lower bulk density All of these Higher reactivity Lower strength Lower bulk density All of these ANSWER DOWNLOAD EXAMIANS APP
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