Furnace Technology Which is not accomplished in an underfired furnace? Portection of the periphery of the charge from excessive radiation Reduction in the temperature of furnace gases Increase in heating capacity/m² of floor space Elimination of cold spot at the bottom of the charge Portection of the periphery of the charge from excessive radiation Reduction in the temperature of furnace gases Increase in heating capacity/m² of floor space Elimination of cold spot at the bottom of the charge ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat balance of furnace provides means of determining the Sources of heat losses Scope of reduction of heat losses Thermal efficiency of the process All of these Sources of heat losses Scope of reduction of heat losses Thermal efficiency of the process All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a directly fired furnace? Calcination kiln By-product coke oven Open hearth furnace Sintering furnace Calcination kiln By-product coke oven Open hearth furnace Sintering furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The amount of combustible escaping uncon-sumed from the furnace, depends upon the All of these Burner design (thoroughness of mixing versus stratification) Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) Air supplied and furnace temperature All of these Burner design (thoroughness of mixing versus stratification) Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) Air supplied and furnace temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most important deterrants to an extended use of pulverised coal in boiler firing? Higher power consumption in its transportation Excessive fly ash discharge from the stack Ash disposal problem Erosion of induced draft fan blades Higher power consumption in its transportation Excessive fly ash discharge from the stack Ash disposal problem Erosion of induced draft fan blades ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Flue gas outlet temperature from the chimney of any furnace should be ideally about __________ °C. 150 50 100 250 150 50 100 250 ANSWER DOWNLOAD EXAMIANS APP
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