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 Turn down ratio of a burner Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. Reduces the furnace draught Increases the load on the induced draft fan All of these Reduces the flue gas temperature and makes the furnace atmosphere oxidising Reduces the furnace draught Increases the load on the induced draft fan All of these Reduces the flue gas temperature and makes the furnace atmosphere oxidising ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Pot furnace which is either regenerative or recupterative, is used in the manufacture of Potteries Stainless steel Glass Refractory bricks Potteries Stainless steel Glass Refractory bricks ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Advantages of use of preheated combustion air are All of these Saving in fuel consumption Reduction in scale losses Increase in flame temperature All of these Saving in fuel consumption Reduction in scale losses Increase in flame temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In which of the following furnaces, the gases are sucked through the stock bed from below? None of these Sintering machine Beehive oven Soaking pit None of these Sintering machine Beehive oven Soaking pit ANSWER DOWNLOAD EXAMIANS APP