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 Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent. In between 37 & 71% >71% None of these < 37% In between 37 & 71% >71% None of these < 37% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene is removed from coke oven gas by Adsorbing on bog iron bed Scrubbing with wash oil (a petroleum product) None of these Absorbing in vetro-coke solution Adsorbing on bog iron bed Scrubbing with wash oil (a petroleum product) None of these Absorbing in vetro-coke solution ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air required to burn 1 kg of carbon completely may be around __________ kg. 20 2 11 38 20 2 11 38 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature decreases progressively from anthracite to lignite, because Volatile matter content increases Ash content increases Moisture content increases Carbon content decreases Volatile matter content increases Ash content increases Moisture content increases Carbon content decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter is used to determine the (where, GCV - Gross Calorific Value. NCV - Net Calorific Value.) NCV at constant pressure GCV at constant volume NCV at constant volume GCV at constant pressure NCV at constant pressure GCV at constant volume NCV at constant volume GCV at constant pressure ANSWER DOWNLOAD EXAMIANS APP
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