Furnace Technology Ceramic recuperators compared to metallic recuperators for the same duty Are lighter Occupy more space Are less costly Have higher pressure differential between flue gas & air side Are lighter Occupy more space Are less costly Have higher pressure differential between flue gas & air side ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Operation of blast furnace stove is based on the principles of a __________ furnace. Recuperative Both A and B Regenerative Neither A nor B Recuperative Both A and B Regenerative Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Volume of the combustion chamber Maximum heat input rate only Range of fuel firing rates Minimum heat input rate only Volume of the combustion chamber Maximum heat input rate only Range of fuel firing rates Minimum heat input rate only ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Flue gas outlet temperature from the chimney of any furnace should be ideally about __________ °C. 250 150 50 100 250 150 50 100 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Furnace pressure is normally controlled by regulating the Fuel gas pressure Speed of I.D. fan Damper Air pressure Fuel gas pressure Speed of I.D. fan Damper Air pressure ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by Can not be predicted Radiation Conduction Convection Can not be predicted Radiation Conduction Convection ANSWER DOWNLOAD EXAMIANS APP
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