Furnace Technology Power required in case of forced draught as compared to induced draught (for the same draught produced) is Less Same More Either more or less; depends on the flue gas density Answer: Option B Less Same More Either more or less; depends on the flue gas density Answer: Option B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reheating furnace (pusher type) is used for heating Ingots Steel sheets Steel coils Slabs Ingots Steel sheets Steel coils Slabs ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the stock/charge in the furnace does not depend upon the Thickness of the stock Use of waste heat recovery equipments Size of the furance Emissivity of the refactory walls Thickness of the stock Use of waste heat recovery equipments Size of the furance Emissivity of the refactory walls ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of continuous reheating furnace depends upon the Ratio of wall surface to stock surface Hearth area and furnace temperature Emissivity of the stock All of these Ratio of wall surface to stock surface Hearth area and furnace temperature Emissivity of the stock All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent. 70 40 15 85 70 40 15 85 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Is the ratio of maximum to minimum permissible heat input rates Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 Is the ratio of maximum to minimum permissible heat input rates Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 ANSWER DOWNLOAD EXAMIANS APP