Furnace Technology Oxygen percentage in the flue gas coming out of a gaseous fuel fired furnace should be ideally about __________ percent. < 2 < 5 < 8 < 10 < 2 < 5 < 8 < 10 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace. Arc Resistance Low frequency induction High frequency induction Arc Resistance Low frequency induction High frequency induction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Advantages of use of preheated combustion air are Increase in flame temperature Saving in fuel consumption Reduction in scale losses All of these Increase in flame temperature Saving in fuel consumption Reduction in scale losses All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Out of the following fuels used in a furnace exhausting flue gas at a temperature of 600°C, the percentage stack loss will be maximum in case of complete combustion of Blast furnace gas with oxygen Furnace oil with oxygen Furnace oil with air Blast furnace gas with air Blast furnace gas with oxygen Furnace oil with oxygen Furnace oil with air Blast furnace gas with air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Scaling of furnace stock is reduced by __________ in flue gas. High CO/CO₂ All of these CO H₂ High CO/CO₂ All of these CO H₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent. 70 40 85 15 70 40 85 15 ANSWER DOWNLOAD EXAMIANS APP
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