Furnace Technology Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of High thermal conductivity Neither A nor B Both A and B Low emissivity High thermal conductivity Neither A nor B Both A and B Low emissivity ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The advantages of firing pulverised coal in the furnace lies in the fact that, it All of these Permits the use of low fusion point ash coal Permits the use of high ash content coal Accelerates the burning rate and economises on fuel consumption All of these Permits the use of low fusion point ash coal Permits the use of high ash content coal Accelerates the burning rate and economises on fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 1000 250 850 650 1000 250 850 650 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in an industrial furnace operation can not be achieved by the use of Non-preheated combustion air Combustion air not enriched with oxygen Stoichiometric combustion air Recupterators Non-preheated combustion air Combustion air not enriched with oxygen Stoichiometric combustion air Recupterators ANSWER DOWNLOAD EXAMIANS APP
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 Transportation of coal Preheating the primary air Drying of coal Combustion of coal by supplying it around the burner Transportation of coal Preheating the primary air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Large tonnage of refractory bricks are dried in a Muffle furnace Rotary hearth furnace Tunnel kiln Shaft furnace Muffle furnace Rotary hearth furnace Tunnel kiln Shaft furnace ANSWER DOWNLOAD EXAMIANS APP
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