Furnace Technology Which of the following is the most suitable for preheating combustion air above 650°C ? Metallic recuperator None of these Ceramic recuperator Regenerator Metallic recuperator None of these Ceramic recuperator Regenerator ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 45-50 44119 65-70 25-30 45-50 44119 65-70 25-30 ANSWER DOWNLOAD EXAMIANS APP
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 Which of the following variables does not affect the furnace capacity? None of these Ratio of wall surface to surface of stock Gas velocity in furnace Size of the furnace None of these Ratio of wall surface to surface of stock Gas velocity in furnace Size of the furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The function of an economiser in a boiler is to preheat the Feedwater Pulverised coal Furnace oil Combustion air Feedwater Pulverised coal Furnace oil Combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Power required in case of forced draught as compared to induced draught (for the same draught produced) is More Less Same Either more or less; depends on the flue gas density Answer: Option B More Less Same Either more or less; depends on the flue gas density Answer: Option B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS