Furnace Technology Overfire burning in a furnace is a phenomenon characterised by Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air Supply of excess fuel None of these Supply of excess air Burning carbon monoxide and other incombustible in upper zone of furnace by supplying more air Supply of excess fuel None of these Supply of excess air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators as compared to recuperators for the same duty Involve higher initial cost All of these Are lighter & compact Store smaller quantity of waste heat Involve higher initial cost All of these Are lighter & compact Store smaller quantity of waste heat ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Tunnel kilns are usually used for Melting of glass Drying/tempering of refractories Roasting of pyrites Reheating of slabs Melting of glass Drying/tempering of refractories Roasting of pyrites Reheating of slabs ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Use of pulverised coal in boilers provides Smokeless burning Less erosion on furnace wall Better combustion Higher calorific value Smokeless burning Less erosion on furnace wall Better combustion Higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of Accelerating the rate of scaling All of these Causing metal embrittlement Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Accelerating the rate of scaling All of these Causing metal embrittlement Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Calcination of limestone to produce lime is done in a __________ kiln. Vertical shaft Tunnel Rotary Both B and C Vertical shaft Tunnel Rotary Both B and C ANSWER DOWNLOAD EXAMIANS APP
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