Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 25-30 65-70 45-50 44119 25-30 65-70 45-50 44119 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 850 250 650 1000 850 250 650 1000 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Soaking pits are meant for heating steel Sheets Coils Slabs Ingots Sheets Coils Slabs Ingots ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a directly fired furnace? Open hearth furnace Calcination kiln By-product coke oven Sintering furnace Open hearth furnace Calcination kiln By-product coke oven Sintering furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a natural draft furnace? Blast furnace stoves Power plant boilers None of these Sintering furnace Blast furnace stoves Power plant boilers None of these Sintering furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat balance of furnace provides means of determining the Scope of reduction of heat losses All of these Thermal efficiency of the process Sources of heat losses Scope of reduction of heat losses All of these Thermal efficiency of the process Sources of heat losses ANSWER DOWNLOAD EXAMIANS APP
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