Furnace Technology Main gas valve in a gaseous fuel burner is a __________ valve. Gate Globe Butterfly None of these Gate Globe Butterfly None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In producer gas making furnace, steam is added along with air to mainly control the Tar content in producer gas Fusion of coal ash & clinker formation Temperature of producer gas V. of producer gas Tar content in producer gas Fusion of coal ash & clinker formation Temperature of producer gas V. of producer gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures. 350 1050 1250 750 350 1050 1250 750 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reheating furnace (pusher type) is used for heating Slabs Ingots Steel coils Steel sheets Slabs Ingots Steel coils Steel sheets ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by Radiation Can not be predicted Convection Conduction Radiation Can not be predicted Convection Conduction 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 Causing metal embrittlement Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature All of these Accelerating the rate of scaling Causing metal embrittlement Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature ANSWER DOWNLOAD EXAMIANS APP