Furnace Technology Operation of blast furnace stove is based on the principles of a __________ furnace. Recuperative Neither A nor B Both A and B Regenerative Recuperative Neither A nor B Both A and B Regenerative ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The resistance furnace produces heat by the Combination of induced current and skin effect None of these Electric arc struck between electrodes and the charge Flow of current through a heating element Combination of induced current and skin effect None of these Electric arc struck between electrodes and the charge Flow of current through a heating element ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Shaft furnaces are used for All of these Smelting Roasting Calcining All of these Smelting Roasting Calcining ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Minimum heat input rate only Range of fuel firing rates Maximum heat input rate only Volume of the combustion chamber Minimum heat input rate only Range of fuel firing rates Maximum heat input rate only Volume of the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen enrichment of combustion air does not result in increase of the Oxygen in the flue gas Stack loss Flame temperature Heat transfer rate in the furnace Oxygen in the flue gas Stack loss Flame temperature Heat transfer rate in the furnace 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 25-30 44119 65-70 45-50 25-30 44119 65-70 ANSWER DOWNLOAD EXAMIANS APP
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