Furnace Technology Oxygen enrichment of combustion air does not result in increase of the Stack loss Heat transfer rate in the furnace Flame temperature Oxygen in the flue gas Stack loss Heat transfer rate in the furnace Flame temperature Oxygen in the flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 80 20 40 60 80 20 40 60 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Scaling of furnace stock is reduced by __________ in flue gas. CO H₂ High CO/CO₂ All of these CO H₂ High CO/CO₂ All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace? Increase in calorific value of the fuel Saving in fuel consumption Increase in flame temperature Reduction in scale losses Increase in calorific value of the fuel Saving in fuel consumption Increase in flame temperature Reduction in scale losses ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Decarburising Either of the above Sulphur penetration Oxidation/scaling Decarburising Either of the above Sulphur penetration Oxidation/scaling ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called __________ furnace. Low frequency induction Resistance Arc None of these Low frequency induction Resistance Arc None of these ANSWER DOWNLOAD EXAMIANS APP
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