Furnace Technology Forced recirculation of furnace gases is practised To increase heat transfer by convection In furnaces, operating below 750°C To ensure uniform temperature All of these To increase heat transfer by convection In furnaces, operating below 750°C To ensure uniform temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In which of the following furnaces, the gases are sucked through the stock bed from below? Soaking pit Sintering machine None of these Beehive oven Soaking pit Sintering machine None of these Beehive oven ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In salt bath furnace, heat is transferred to the charge mainly by Conduction None of these Radiation Convection Conduction None of these Radiation Convection ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent. 50 65 99 85 50 65 99 85 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Volume of the combustion chamber Range of fuel firing rates Maximum heat input rate only Minimum heat input rate only Volume of the combustion chamber Range of fuel firing rates Maximum heat input rate only Minimum heat input rate only ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Power required in case of forced draught as compared to induced draught (for the same draught produced) is Either more or less; depends on the flue gas density Answer: Option B Less Same More Either more or less; depends on the flue gas density Answer: Option B Less Same More ANSWER DOWNLOAD EXAMIANS APP
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