Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. Reduces the flue gas temperature and makes the furnace atmosphere oxidising Reduces the furnace draught All of these Increases the load on the induced draft fan Reduces the flue gas temperature and makes the furnace atmosphere oxidising Reduces the furnace draught All of these Increases the load on the induced draft fan ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators compared to metallic recuperators for the same duty Are lighter Occupy more space Have higher pressure differential between flue gas & air side Are less costly Are lighter Occupy more space Have higher pressure differential between flue gas & air side Are less costly ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology A refractory wall separating the stock and the source of heat is provided in a Muffle furnace None of these Continuous furnace Updraft kiln Muffle furnace None of these Continuous furnace Updraft kiln ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Circulation of gases in furnace is caused by the Difference in density between hot and cold gases Furnace pressure in conjunction with draft in flues Change in volume during a change of temperature All of these Difference in density between hot and cold gases Furnace pressure in conjunction with draft in flues Change in volume during a change of temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a batch furnace? Cupola Reheating furnace Glass tank furnace None of these Cupola Reheating furnace Glass tank furnace None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 1000 250 650 850 1000 250 650 850 ANSWER DOWNLOAD EXAMIANS APP