Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Minimum heat input rate only Range of fuel firing rates Maximum heat input rate only Volume of the combustion chamber Minimum heat input rate only Range of fuel firing rates Maximum heat input rate only Volume of the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not an additive for flue gases from furnace to reduce its dew-point? Alkaline powders Ammonia None of these Fine dolomite Alkaline powders Ammonia None of these Fine dolomite ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace? Reduction in scale losses Increase in flame temperature Saving in fuel consumption Increase in calorific value of the fuel Reduction in scale losses Increase in flame temperature Saving in fuel consumption Increase in calorific value of the fuel ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The function of an economiser in a boiler is to preheat the Feedwater Combustion air Furnace oil Pulverised coal Feedwater Combustion air Furnace oil Pulverised coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overfire burning in a furnace is a phenomenon characterised by Supply of excess air Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air Supply of excess fuel None of these Supply of excess air Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air Supply of excess fuel None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An example of indirectly heated furnace is the Muffle furnace Soaking pit Reheating furnace None of these Muffle furnace Soaking pit Reheating furnace None of these ANSWER DOWNLOAD EXAMIANS APP