Furnace Technology In order to maintain an oxidising atmosphere in a furnace, it should have More of excess air Less of excess air More of CO₂ in flue gas More of CO in flue gas More of excess air Less of excess air More of CO₂ in flue gas More of CO in flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. Reduces the flue gas temperature and makes the furnace atmosphere oxidising All of these Increases the load on the induced draft fan Reduces the furnace draught Reduces the flue gas temperature and makes the furnace atmosphere oxidising All of these Increases the load on the induced draft fan Reduces the furnace draught ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of Beryllium Zircon powder Thoria Graphite powder Beryllium Zircon powder Thoria Graphite powder ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Artificial draught produced by a fan in the furnace can be controlled by the Damper Variation in the pitch of fan blades Speed of the fan All of these Damper Variation in the pitch of fan blades Speed of the fan All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In reverberatory furnace, charge is heated mainly by None of these Natural convection Conduction Radiation of heat from the roof of the combustion chamber None of these Natural convection Conduction Radiation of heat from the roof of the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Very high pressure boilers are usually __________ boilers. Water tube Waste heat Natural circulation Fire tube Water tube Waste heat Natural circulation Fire tube ANSWER DOWNLOAD EXAMIANS APP
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