Furnace Technology Reducing atmosphere is maintained in a Blast furnace L.D. converter Calcination kiln Soaking pit Blast furnace L.D. converter Calcination kiln Soaking pit ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain a reducing atmosphere in a furnace, it should have CO in flue gas High excess air No O₂ in flue gas None of these CO in flue gas High excess air No O₂ in flue gas None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The main function of a muffle in the muffle furnace is to Smooth out temperature inequalities on the combustion side of the muffle wall Protect the charge from the effects of the products of combustion Both A & B Neither A nor B Smooth out temperature inequalities on the combustion side of the muffle wall Protect the charge from the effects of the products of combustion Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In practical operation of any furnace, zero oxygen percentage or theoretical CO₂ percentage in flue gas is rarely achieved, because of Use of non-preheated combustion air Use of pulverised solid fuels Use of excessive positive draft in the furnace Imperfect mixing of fuel & air and infiltration of air Use of non-preheated combustion air Use of pulverised solid fuels Use of excessive positive draft in the furnace Imperfect mixing of fuel & air and infiltration of air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a heat treatment furnace? Rotary kiln Muffle furnace Annealing furnace Reheating furnace Rotary kiln Muffle furnace Annealing furnace Reheating furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs preheating, heating and soaking zones? Reheating furnace Open hearth furnace Soaking pit Cupola Reheating furnace Open hearth furnace Soaking pit Cupola ANSWER DOWNLOAD EXAMIANS APP
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