Furnace Technology Regenerators as compared to recuperators for the same duty Involve higher initial cost All of these Store smaller quantity of waste heat Are lighter & compact Involve higher initial cost All of these Store smaller quantity of waste heat Are lighter & compact ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 50 20 80 5 50 20 80 5 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heating capacity of muffle furnace depends on the 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) Both A & B Surface area & emissivity of the stock Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent. 70 15 85 40 70 15 85 40 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In producer gas making furnace, steam is added along with air to mainly control the Fusion of coal ash & clinker formation Tar content in producer gas Temperature of producer gas V. of producer gas Fusion of coal ash & clinker formation Tar content in producer gas Temperature of producer gas V. of producer gas 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. Arc None of these Resistance Low frequency induction Arc None of these Resistance Low frequency induction ANSWER DOWNLOAD EXAMIANS APP
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