Furnace Technology Calcination of limestone to produce lime is done in a __________ kiln. Vertical shaft Rotary Tunnel Both B and C Vertical shaft Rotary Tunnel Both B and C ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The advantages of firing pulverised coal in the furnace lies in the fact that, it Accelerates the burning rate and economises on fuel consumption Permits the use of low fusion point ash coal All of these Permits the use of high ash content coal Accelerates the burning rate and economises on fuel consumption Permits the use of low fusion point ash coal All of these Permits the use of high ash content coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent. 15 40 85 70 15 40 85 70 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Temperature of a furnace fired with low calorific value fuel gas (i.e. lean gas) can be increased by Preheating the fuel gas Oxygen enrichment of combustion air Preheating the combustion air All of these Preheating the fuel gas Oxygen enrichment of combustion air Preheating the combustion air All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen enrichment of combustion air does not result in increase of the Stack loss Oxygen in the flue gas Flame temperature Heat transfer rate in the furnace Stack loss Oxygen in the flue gas Flame temperature Heat transfer rate in the furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace employing forced draught as compared to induced draught, Positive pressure exists in the furnace Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced None of these The fan operates hot and hence blades are liable to corrosion and erosion Positive pressure exists in the furnace Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced None of these The fan operates hot and hence blades are liable to corrosion and erosion ANSWER DOWNLOAD EXAMIANS APP
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