Furnace Technology Which of the following is the most suitable for preheating combustion air above 650°C ? Ceramic recuperator Regenerator None of these Metallic recuperator Ceramic recuperator Regenerator None of these Metallic recuperator ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators compared to the recuperators for the same duty All of these Occupy more space Are of smaller size Are less costly All of these Occupy more space Are of smaller size Are less costly ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Neutral atmosphere is maintained in a/an __________ furnace. Open hearth Cold rolled steel coil annealing Soaking pit Walking beam reheating Open hearth Cold rolled steel coil annealing Soaking pit Walking beam reheating ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 100 %H₂ 95% N₂ + 5% H₂ 5% H₂ + 9% N₂ 100% CO 100 %H₂ 95% N₂ + 5% H₂ 5% H₂ + 9% N₂ 100% CO ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Test specimen for determination of refractoriness under load (RUL) of a refractory is heated in a Furnace employing neutral atmosphere Carbon resistance furnace Reducing atmosphere Furnace employing negative pressure Furnace employing neutral atmosphere Carbon resistance furnace Reducing atmosphere Furnace employing negative pressure ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Hearth furnaces are not used for Reheating None of these Roasting Melting Reheating None of these Roasting Melting ANSWER DOWNLOAD EXAMIANS APP
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