Fuels and Combustion Coke compared to the coal from which it has been made, contains Less volatile matter More carbon Greater percentage of ash All of these Less volatile matter More carbon Greater percentage of ash All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as M = A M = 0.5 A M = 1.8 A M = 1.1 A M = A M = 0.5 A M = 1.8 A M = 1.1 A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A sooty flame can be made non-luminous by Shutting air supply Admitting more air Shutting gas supply Admitting more gas Shutting air supply Admitting more air Shutting gas supply Admitting more gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Mixed gas' used in steel plants is a mixture of Blast furnace gas and naphtha vapor Coke oven gas and converter gas Coke oven gas and L.P.G F. gas and coke oven gas Blast furnace gas and naphtha vapor Coke oven gas and converter gas Coke oven gas and L.P.G F. gas and coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main advantage of forced draft over natural draft is that Smaller height chimney can be used Combustion of fuel is complete All of these Furnace control is easier Smaller height chimney can be used Combustion of fuel is complete All of these Furnace control is easier 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 None of these Requires smaller combustion space and less secondary air Is more difficult to ignite and produces a shorter flame Is less liable to spontaneous combustion on storage None of these Requires smaller combustion space and less secondary air Is more difficult to ignite and produces a shorter flame Is less liable to spontaneous combustion on storage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS