Furnace Technology Calcination of limestone to produce lime is done in a __________ kiln. Tunnel Vertical shaft Rotary Both B and C Tunnel Vertical shaft Rotary Both B and C ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of Low emissivity Neither A nor B High thermal conductivity Both A and B Low emissivity Neither A nor B High thermal conductivity Both A and B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in furnaces can be achieved by Preheating the combustion air Reducing the heat loss through furnace openings & doors All of these Using oxygen enriched combustion air Preheating the combustion air Reducing the heat loss through furnace openings & doors All of these Using oxygen enriched combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following variables affects the furnace capacity? Temperature of flue gas Thermal conductivity of stock Thickness of heating stock All of these Temperature of flue gas Thermal conductivity of stock Thickness of heating stock All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Oxidation/scaling Either of the above Sulphur penetration Decarburising Oxidation/scaling Either of the above Sulphur penetration Decarburising ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In practical operation of any furnace, zero oxygen percentage or theoretical CO₂ percentage in flue gas is rarely achieved, because of Use of excessive positive draft in the furnace Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of pulverised solid fuels Use of excessive positive draft in the furnace Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of pulverised solid fuels ANSWER DOWNLOAD EXAMIANS APP
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