Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. Reduces the furnace draught Reduces the flue gas temperature and makes the furnace atmosphere oxidising All of these Increases the load on the induced draft fan Reduces the furnace draught Reduces the flue gas temperature and makes the furnace atmosphere oxidising All of these Increases the load on the induced draft fan ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Unit of furnace loading is Ton stock/m² hearth area Ton stock/hr/m² hearth area Both B and C Ton stock/hr Ton stock/m² hearth area Ton stock/hr/m² hearth area Both B and C Ton stock/hr ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Calcination of limestone to produce lime is done in a __________ kiln. Tunnel Rotary Vertical shaft Both B and C Tunnel Rotary Vertical shaft Both B and C ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a continuous waste heat recovery equipment from the flue gases going out of furnace? Regenerator Economiser Waste heat boiler Ceramic recuperator Regenerator Economiser Waste heat boiler Ceramic recuperator ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators compared to the recuperators for the same duty All of these Occupy more space Are of smaller size Are less costly All of these Occupy more space Are of smaller size Are less costly 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. 25-30 44119 65-70 45-50 25-30 44119 65-70 45-50 ANSWER DOWNLOAD EXAMIANS APP
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