Furnace Technology Fuel economy in furnaces can be achieved by Preheating the combustion air All of these Using oxygen enriched combustion air Reducing the heat loss through furnace openings & doors Preheating the combustion air All of these Using oxygen enriched combustion air Reducing the heat loss through furnace openings & doors 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 Updraft kiln Continuous furnace Muffle furnace None of these Updraft kiln Continuous furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators compared to the recuperators for the same duty Occupy more space All of these Are less costly Are of smaller size Occupy more space All of these Are less costly Are of smaller size ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following furnaces will have maximum thermal efficiency? Walking beam reheating furnace Boiler furnace Rotary kilns Soaking pits Walking beam reheating furnace Boiler furnace Rotary kilns Soaking pits ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators as compared to recuperators for the same duty Involve higher initial cost Are lighter & compact Store smaller quantity of waste heat All of these Involve higher initial cost Are lighter & compact Store smaller quantity of waste heat All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. 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 All of these Increases the load on the induced draft fan ANSWER DOWNLOAD EXAMIANS APP