Furnace Technology Fuel economy in an industrial furnace operation can not be achieved by the use of Non-preheated combustion air Stoichiometric combustion air Recupterators Combustion air not enriched with oxygen Non-preheated combustion air Stoichiometric combustion air Recupterators Combustion air not enriched with oxygen ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reverberatory furnace is used for Steel melting Annealing steel coil Roasting/reduction of ores Heating air Steel melting Annealing steel coil Roasting/reduction of ores Heating air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology __________ furnace is not an electric furnace. Resistance Pot Arc Induction Resistance Pot Arc Induction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Main gas valve in a gaseous fuel burner is a __________ valve. Globe None of these Butterfly Gate Globe None of these Butterfly Gate 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. 750 1250 350 1050 750 1250 350 1050 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of Causing metal embrittlement Accelerating the rate of scaling All of these Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Causing metal embrittlement Accelerating the rate of scaling All of these Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS