Furnace Technology Power required in case of forced draught as compared to induced draught (for the same draught produced) is More Same Less Either more or less; depends on the flue gas density Answer: Option B More Same Less Either more or less; depends on the flue gas density Answer: Option B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Combustion of fuel in a furnace with oxygen enriched air results in higher Flame temperature Stack loss Fuel consumption Flue gas volume Flame temperature Stack loss Fuel consumption Flue gas volume ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Furnace aerodynamics is related to the __________ in the furnace. Movement of gases Pressure adjustment Temperature control Measurement of flue gas volume Movement of gases Pressure adjustment Temperature control Measurement of flue gas volume ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen percentage in the flue gas coming out of a gaseous fuel fired furnace should be ideally about __________ percent. < 8 < 5 < 10 < 2 < 8 < 5 < 10 < 2 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 5% H₂ + 9% N₂ 100% CO 95% N₂ + 5% H₂ 100 %H₂ 5% H₂ + 9% N₂ 100% CO 95% N₂ + 5% H₂ 100 %H₂ 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
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