Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 850 250 1000 650 850 250 1000 650 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 non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace Use of pulverised solid fuels Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace Use of pulverised solid fuels ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Higher furnace temperature can not be achieved by use of a lean fuel gas in the furnace by Preheating the fuel gas Increasing the draft in the furnace Preheating the combustion air Oxygen enrichment of combustion air Preheating the fuel gas Increasing the draft in the furnace Preheating the combustion air Oxygen enrichment of combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not an additive for flue gases from furnace to reduce its dew-point? Fine dolomite None of these Alkaline powders Ammonia Fine dolomite None of these Alkaline powders Ammonia ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain an oxidising atmosphere in a furnace, it should have More of CO in flue gas More of CO₂ in flue gas More of excess air Less of excess air More of CO in flue gas More of CO₂ in flue gas More of excess air Less of excess air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Large tonnage of refractory bricks are dried in a Muffle furnace Rotary hearth furnace Shaft furnace Tunnel kiln Muffle furnace Rotary hearth furnace Shaft furnace Tunnel kiln ANSWER DOWNLOAD EXAMIANS APP
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