Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 20 5 50 80 20 5 50 80 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen enrichment of combustion air does not result in increase of the 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 Oxygen in the flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The resistance furnace produces heat by the Flow of current through a heating element Combination of induced current and skin effect Electric arc struck between electrodes and the charge None of these Flow of current through a heating element Combination of induced current and skin effect Electric arc struck between electrodes and the charge None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace. Covered Sidefired Recirculating Underfired Covered Sidefired Recirculating Underfired 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 More Same Either more or less; depends on the flue gas density Answer: Option B Less More Same ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel used in B.F. stove is Blast furnace gas/mixed gas Coke oven gas Furnace oil Pulverised coal Blast furnace gas/mixed gas Coke oven gas Furnace oil Pulverised coal ANSWER DOWNLOAD EXAMIANS APP
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