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 Reducing atmosphere is maintained in a Soaking pit L.D. converter Blast furnace Calcination kiln Soaking pit L.D. converter Blast furnace Calcination kiln ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In low or standard frequency induction furnace, heat is produced by the Induction and resistance Current flow through a heating element None of these Combination of induced current and skin effect Induction and resistance Current flow through a heating element None of these Combination of induced current and skin effect ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ostwald charts are meant for Computation of flue gas analysis Computing the excess/deficiency of combustion air Calculation of flue gas temperature None of these Computation of flue gas analysis Computing the excess/deficiency of combustion air Calculation of flue gas temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following variables affects the furnace capacity? Thickness of heating stock Thermal conductivity of stock Temperature of flue gas All of these Thickness of heating stock Thermal conductivity of stock Temperature of flue gas All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. Reduces the furnace draught Increases the load on the induced draft fan Reduces the flue gas temperature and makes the furnace atmosphere oxidising All of these Reduces the furnace draught Increases the load on the induced draft fan Reduces the flue gas temperature and makes the furnace atmosphere oxidising All of these ANSWER DOWNLOAD EXAMIANS APP