Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 100% CO 95% N₂ + 5% H₂ 5% H₂ + 9% N₂ 100 %H₂ 100% CO 95% N₂ + 5% H₂ 5% H₂ + 9% N₂ 100 %H₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 80 60 40 20 80 60 40 20 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 20 50 5 80 20 50 5 80 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Dampers are located After the I.D. fan Near the top of the chimney Anywhere after the I.D. fan Before the I.D fan After the I.D. fan Near the top of the chimney Anywhere after the I.D. fan Before the I.D fan ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Test specimen for determination of refractoriness under load (RUL) of a refractory is heated in a Carbon resistance furnace Reducing atmosphere Furnace employing neutral atmosphere Furnace employing negative pressure Carbon resistance furnace Reducing atmosphere Furnace employing neutral atmosphere Furnace employing negative pressure ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Maximum heat transfer in high temperature furnaces is by Conduction Convection Radiation Either A, B or C; depends on the type of furnace Conduction Convection Radiation Either A, B or C; depends on the type of furnace ANSWER DOWNLOAD EXAMIANS APP
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