Furnace Technology In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of Drying of coal Combustion of coal by supplying it around the burner Preheating the primary air Transportation of coal Drying of coal Combustion of coal by supplying it around the burner Preheating the primary air Transportation of coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 20 40 80 60 20 40 80 60 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Decarburisation of steel All of these Is favoured by CO₂ Is the removal of carbon from iron carbide (Fe₃C) Affects its crystalline structure All of these Is favoured by CO₂ Is the removal of carbon from iron carbide (Fe₃C) Affects its crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The resistance furnace produces heat by the Electric arc struck between electrodes and the charge None of these Combination of induced current and skin effect Flow of current through a heating element Electric arc struck between electrodes and the charge None of these Combination of induced current and skin effect Flow of current through a heating element ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Operation of blast furnace stove is based on the principles of a __________ furnace. Regenerative Both A and B Neither A nor B Recuperative Regenerative Both A and B Neither A nor B Recuperative ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An improved and fuel efficient version of the pusher type reheating furnace is the __________ furnace. Rotary hearth Walking beam Shaft Tunnel Rotary hearth Walking beam Shaft Tunnel ANSWER DOWNLOAD EXAMIANS APP
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