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 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 Increase in calorific value of the fuel Saving in fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following variables does not affect the furnace capacity? Size of the furnace None of these Ratio of wall surface to surface of stock Gas velocity in furnace Size of the furnace None of these Ratio of wall surface to surface of stock Gas velocity in furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Higher furnace temperature can not be achieved by use of a lean fuel gas in the furnace by Increasing the draft in the furnace Preheating the combustion air Preheating the fuel gas Oxygen enrichment of combustion air Increasing the draft in the furnace Preheating the combustion air Preheating the fuel gas Oxygen enrichment of combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 65-70 44119 45-50 25-30 65-70 44119 45-50 25-30 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Flue gas outlet temperature from the chimney of any furnace should be ideally about __________ °C. 100 50 250 150 100 50 250 150 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are used for waste heat recovery in Blast furnace stoves Beehive coke oven Soaking pits By-product coke ovens Blast furnace stoves Beehive coke oven Soaking pits By-product coke ovens ANSWER DOWNLOAD EXAMIANS APP