Furnace Technology Turn down ratio of a burner 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 Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Artificial draught produced by a fan in the furnace can be controlled by the Speed of the fan All of these Damper Variation in the pitch of fan blades Speed of the fan All of these Damper Variation in the pitch of fan blades ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are used for waste heat recovery in By-product coke ovens Beehive coke oven Soaking pits Blast furnace stoves By-product coke ovens Beehive coke oven Soaking pits Blast furnace stoves ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Amount of coal lost in ash particle, which is carried through the boiler system, depends upon the All of these Amount of excess air supplied and load on the boiler Type of burner and combustion chamber Physical nature, ash content and fineness of the coal All of these Amount of excess air supplied and load on the boiler Type of burner and combustion chamber Physical nature, ash content and fineness of the coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs preheating, heating and soaking zones? Open hearth furnace Cupola Reheating furnace Soaking pit Open hearth furnace Cupola Reheating furnace Soaking pit ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators compared to the recuperators for the same duty Are less costly All of these Are of smaller size Occupy more space Are less costly All of these Are of smaller size Occupy more space ANSWER DOWNLOAD EXAMIANS APP