Furnace Technology In low or standard frequency induction furnace, heat is produced by the None of these Combination of induced current and skin effect Current flow through a heating element Induction and resistance None of these Combination of induced current and skin effect Current flow through a heating element Induction and resistance ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 40 60 80 20 40 60 80 20 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most important deterrants to an extended use of pulverised coal in boiler firing? Higher power consumption in its transportation Erosion of induced draft fan blades Ash disposal problem Excessive fly ash discharge from the stack Higher power consumption in its transportation Erosion of induced draft fan blades Ash disposal problem Excessive fly ash discharge from the stack ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called __________ furnace. Resistance Arc None of these Low frequency induction Resistance Arc None of these Low frequency induction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of Thoria Beryllium Zircon powder Graphite powder Thoria Beryllium Zircon powder Graphite powder ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of muffle furnace depends on the Both A & B Surface area & emissivity of the stock Neither A nor B Properties of the muffle wall (temperature, area, emissivity) Both A & B Surface area & emissivity of the stock Neither A nor B Properties of the muffle wall (temperature, area, emissivity) ANSWER DOWNLOAD EXAMIANS APP
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