Furnace Technology The heating capacity of muffle furnace depends on the Surface area & emissivity of the stock Neither A nor B Both A & B Properties of the muffle wall (temperature, area, emissivity) Surface area & emissivity of the stock Neither A nor B Both A & B Properties of the muffle wall (temperature, area, emissivity) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Cement Kiln is a Rotary Kiln Natural draft furnace Tunnel Kiln Batch furnace Rotary Kiln Natural draft furnace Tunnel Kiln Batch furnace 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 An improved and fuel efficient version of the pusher type reheating furnace is the __________ furnace. Rotary hearth Shaft Walking beam Tunnel Rotary hearth Shaft Walking beam Tunnel ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not accomplished in an underfired furnace? Portection of the periphery of the charge from excessive radiation Increase in heating capacity/m² of floor space Elimination of cold spot at the bottom of the charge Reduction in the temperature of furnace gases Portection of the periphery of the charge from excessive radiation Increase in heating capacity/m² of floor space Elimination of cold spot at the bottom of the charge Reduction in the temperature of furnace gases ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology To reduce the stack loss, heat recovery from flue gas can be done by Steam generation in waste heat boilers Preheating of cold stock All of these Preheating of combustion air Steam generation in waste heat boilers Preheating of cold stock All of these Preheating of combustion air ANSWER DOWNLOAD EXAMIANS APP