Furnace Technology Which of the following is not an additive for flue gases from furnace to reduce its dew-point? Ammonia Alkaline powders None of these Fine dolomite Ammonia Alkaline powders None of these Fine dolomite ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of muffle furnace depends on the Properties of the muffle wall (temperature, area, emissivity) Neither A nor B Surface area & emissivity of the stock Both A & B Properties of the muffle wall (temperature, area, emissivity) Neither A nor B Surface area & emissivity of the stock Both A & B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In which of the waste heat recovery equipment, the flow of flue gas and air is alternately reversed after a fixed interval of time? Recuperator Regenerator None of these Waste heat boiler Recuperator Regenerator None of these Waste heat boiler ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Should be as low as possible i.e., 1 : 2 Should be 1:1 for a batch type furnace. 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 as low as possible i.e., 1 : 2 Should be 1:1 for a batch type furnace. 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 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reducing atmosphere is maintained in a Blast furnace Soaking pit L.D. converter Calcination kiln Blast furnace Soaking pit L.D. converter Calcination kiln 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