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 1050 350 1250 750 1050 350 1250 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 5 20 80 50 5 20 80 50 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a rotary furnace? Annealing furnace Lime kiln Soaking pit Stoves Annealing furnace Lime kiln Soaking pit Stoves ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a recuperative furnace? Soaking pit Reheating furnace Coke oven Steamboiler Soaking pit Reheating furnace Coke oven Steamboiler ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Scaling of furnace stock is reduced by __________ in flue gas. H₂ High CO/CO₂ CO All of these H₂ High CO/CO₂ CO All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology hich is the most thermally efficient furnace? Boiler furnace Reheating furnace Rotary kilns Reverberatory furnace Boiler furnace Reheating furnace Rotary kilns Reverberatory furnace ANSWER DOWNLOAD EXAMIANS APP