Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 80 20 60 40 80 20 60 40 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If fuel and air are mixed ahead of the burner, it is called a/an __________ burner. Rotary Premix Diffusion Outside mixing type Rotary Premix Diffusion Outside mixing type ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heat recoverable from flue gases of furnaces depends on the All of these Quantity of flue gases Thermal efficiency of furnace Flue gas temperature drop through the furnace All of these Quantity of flue gases Thermal efficiency of furnace Flue gas temperature drop through the furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. Is the ratio of maximum to minimum permissible heat input rates Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. Is the ratio of maximum to minimum permissible heat input rates Should be as low as possible i.e., 1 : 2 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology A refractory wall separating the stock and the source of heat is provided in a Updraft kiln None of these Continuous furnace Muffle furnace Updraft kiln None of these Continuous furnace Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators compared to metallic recuperators for the same duty Are lighter Have higher pressure differential between flue gas & air side Are less costly Occupy more space Are lighter Have higher pressure differential between flue gas & air side Are less costly Occupy more space ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS