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 Waste heat boiler Regenerator None of these Recuperator Waste heat boiler Regenerator None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of continuous reheating furnace depends upon the Hearth area and furnace temperature All of these Ratio of wall surface to stock surface Emissivity of the stock Hearth area and furnace temperature All of these Ratio of wall surface to stock surface Emissivity of the stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Acid dew point temperature (ADT) of a flue gas produced by the combustion of a fuel containing 1% sulphur may be about __________ °C. 180 80 130 250 180 80 130 250 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In practical operation of any furnace, zero oxygen percentage or theoretical CO₂ percentage in flue gas is rarely achieved, because of Use of pulverised solid fuels Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace Use of non-preheated combustion air Use of pulverised solid fuels Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace Use of non-preheated combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Maximum heat transfer in high temperature furnaces is by Convection Radiation Conduction Either A, B or C; depends on the type of furnace Convection Radiation Conduction Either A, B or C; depends on the type of furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Sulphur penetration Either of the above Oxidation/scaling Decarburising Sulphur penetration Either of the above Oxidation/scaling Decarburising ANSWER DOWNLOAD EXAMIANS APP