Furnace Technology The function of an economiser in a boiler is to preheat the Pulverised coal Furnace oil Feedwater Combustion air Pulverised coal Furnace oil Feedwater Combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology __________ is an indirectly heated furnace. Muffle furnace Open hearth furnace Soaking pit Reheating furnace Muffle furnace Open hearth furnace Soaking pit Reheating furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the Thermal conductivity of the charge & structural materials of furnace All of these Nature of process ; whether batch, continuous or intermittant Rate of firing and emissivity of flame Thermal conductivity of the charge & structural materials of furnace All of these Nature of process ; whether batch, continuous or intermittant Rate of firing and emissivity of flame ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Recuperator is Heavier than regenerator meant for the same duty A continuous waste heat recovery equipment Not used for fuel gas preheating An intermittant waste heat recovery equipment Heavier than regenerator meant for the same duty A continuous waste heat recovery equipment Not used for fuel gas preheating An intermittant waste heat recovery equipment ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen percentage in the flue gas coming out of a gaseous fuel fired furnace should be ideally about __________ percent. < 5 < 2 < 8 < 10 < 5 < 2 < 8 < 10 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of All of these Accelerating the rate of scaling Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Causing metal embrittlement All of these Accelerating the rate of scaling Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Causing metal embrittlement ANSWER DOWNLOAD EXAMIANS APP