Furnace Technology In a furnace employing forced draught as compared to induced draught, None of these Positive pressure exists in the furnace Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced The fan operates hot and hence blades are liable to corrosion and erosion None of these Positive pressure exists in the furnace Air is sucked in, so air leaks are more and hence the furnace efficiency is reduced The fan operates hot and hence blades are liable to corrosion and erosion ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Flue gas outlet temperature from the chimney of any furnace should be ideally about __________ °C. 150 250 50 100 150 250 50 100 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a recuperative furnace? Steamboiler Reheating furnace Soaking pit Coke oven Steamboiler Reheating furnace Soaking pit Coke oven ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. All of these Reduces the furnace draught Reduces the flue gas temperature and makes the furnace atmosphere oxidising Increases the load on the induced draft fan All of these Reduces the furnace draught Reduces the flue gas temperature and makes the furnace atmosphere oxidising Increases the load on the induced draft fan ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The resistance furnace produces heat by the Flow of current through a heating element None of these Combination of induced current and skin effect Electric arc struck between electrodes and the charge Flow of current through a heating element None of these Combination of induced current and skin effect Electric arc struck between electrodes and the charge ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Very high pressure boilers are usually __________ boilers. Natural circulation Fire tube Water tube Waste heat Natural circulation Fire tube Water tube Waste heat ANSWER DOWNLOAD EXAMIANS APP