Fuels and Combustion During combustion of a gaseous fuel, the presence of a non-luminous flame is an indication of the High oxygen in flue gas None of these Incomplete combustion Complete combustion High oxygen in flue gas None of these Incomplete combustion Complete combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg. 4000 8000 1000 6000 4000 8000 1000 6000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Weathering of coal during storage causes Decrease in its caking capacity Reduction in coal size Increase in its friability All of these Decrease in its caking capacity Reduction in coal size Increase in its friability All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of a fuel is characterised by the high __________ in the flue gas. Smoke Oxygen Temperature Carbon monoxide Smoke Oxygen Temperature Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon Is less liable to spontaneous combustion on storage Is more difficult to ignite and produces a shorter flame None of these Requires smaller combustion space and less secondary air Is less liable to spontaneous combustion on storage Is more difficult to ignite and produces a shorter flame None of these Requires smaller combustion space and less secondary air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The gasification reaction represented by, C + H₂O = CO + H₂, is Catalytic Exothermic Autocatalytic Endothermic Catalytic Exothermic Autocatalytic Endothermic ANSWER DOWNLOAD EXAMIANS APP