Furnace Technology The heating capacity of muffle furnace depends on the Surface area & emissivity of the stock Properties of the muffle wall (temperature, area, emissivity) Both A & B Neither A nor B Surface area & emissivity of the stock Properties of the muffle wall (temperature, area, emissivity) Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Pot furnace which is either regenerative or recupterative, is used in the manufacture of Refractory bricks Stainless steel Glass Potteries Refractory bricks Stainless steel Glass Potteries ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following furnaces will have maximum thermal efficiency? Rotary kilns Walking beam reheating furnace Soaking pits Boiler furnace Rotary kilns Walking beam reheating furnace Soaking pits Boiler furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen percentage in the flue gas coming out of a gaseous fuel fired furnace should be ideally about __________ percent. < 8 < 10 < 5 < 2 < 8 < 10 < 5 < 2 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Scaling of furnace stock is reduced by __________ in flue gas. H₂ All of these CO High CO/CO₂ H₂ All of these CO High CO/CO₂ 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 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 Use of pulverised solid fuels Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace ANSWER DOWNLOAD EXAMIANS APP