Fuels and Combustion A good coking coal should have high __________ content. Moisture Sulphur & phosphorus None of these Ash Moisture Sulphur & phosphorus None of these Ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of coal on grate, clinker formation is increased by the Use of preheated primary air Use of thick fire bed Low fusion point of ash (< 1100° C) All of these Use of preheated primary air Use of thick fire bed Low fusion point of ash (< 1100° C) All of these 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. 6000 8000 1000 4000 6000 8000 1000 4000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Overfire burning in a furnace is a phenomenon characterised by the Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air Supply of excess fuel Supply of excess air None of these Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air Supply of excess fuel Supply of excess air None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the equilibrium moisture content of the coal increases, its Swelling number decreases Swelling number increases Bulk density decreases Calorific value increases Swelling number decreases Swelling number increases Bulk density decreases Calorific value increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In Orsat's apparatus, ammoniacal cuprous chloride is used for selectivity absorbing H₂O O₂ CO₂ CO H₂O O₂ CO₂ CO ANSWER DOWNLOAD EXAMIANS APP