Furnace Technology Oxygen enrichment of combustion air does not result in increase of the Flame temperature Stack loss Oxygen in the flue gas Heat transfer rate in the furnace Flame temperature Stack loss Oxygen in the flue gas Heat transfer rate in the furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about __________ °C. 6000 3000 2000 4500 6000 3000 2000 4500 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a batch furnace? Cupola Glass tank furnace None of these Reheating furnace Cupola Glass tank furnace None of these Reheating furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs preheating, heating and soaking zones? Cupola Reheating furnace Open hearth furnace Soaking pit Cupola Reheating furnace Open hearth furnace Soaking pit 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 excessive positive draft in the furnace Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of pulverised solid fuels Use of excessive positive draft in the furnace Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of pulverised solid fuels 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. 750 350 1050 1250 750 350 1050 1250 ANSWER DOWNLOAD EXAMIANS APP
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