Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Shortens the flame Lengthens the flame Causes heat loss of fuel by its partial combustion Both A & B Shortens the flame Lengthens the flame Causes heat loss of fuel by its partial combustion Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A particular coal is said to be free burning when it Burns completely None of these Shows little or no fusing action Gives smokeless burning Burns completely None of these Shows little or no fusing action Gives smokeless burning ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Advantages of fluidised bed combustion are Lower furnace operating temperature High heat transfer rate All of these Reduced NOx formation in flue gas Lower furnace operating temperature High heat transfer rate All of these Reduced NOx formation in flue gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature in air as compared to that in pure oxygen is Much lower Much higher Either lower or higher, depends on the type of fuel Same Much lower Much higher Either lower or higher, depends on the type of fuel Same ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking coal is desirable for Burning on firebars Burning on travelling grate All of these Coke making Burning on firebars Burning on travelling grate All of these Coke making ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Cannel coal All of these Is non-coking Has a high volatile matter content and burns with a luminous smoky flame Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named All of these Is non-coking Has a high volatile matter content and burns with a luminous smoky flame Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named ANSWER DOWNLOAD EXAMIANS APP