Furnace Technology Calcination of limestone to produce lime is done in a __________ kiln. Rotary Vertical shaft Tunnel Both B and C Rotary Vertical shaft Tunnel Both B and C ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about __________ °C. 3000 4500 2000 6000 3000 4500 2000 6000 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent. 85 65 99 50 85 65 99 50 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. All of these Increases the load on the induced draft fan Reduces the furnace draught Reduces the flue gas temperature and makes the furnace atmosphere oxidising All of these Increases the load on the induced draft fan Reduces the furnace draught Reduces the flue gas temperature and makes the furnace atmosphere oxidising ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a directly fired intermittant furnace? Reverberatory furnace Tunnel kiln Tower furnace Walking beam reheating furnace Reverberatory furnace Tunnel kiln Tower furnace Walking beam reheating furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a heat treatment furnace? Rotary kiln Annealing furnace Muffle furnace Reheating furnace Rotary kiln Annealing furnace Muffle furnace Reheating furnace ANSWER DOWNLOAD EXAMIANS APP
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