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
Furnace Technology Which of the following is a rotary furnace? Annealing furnace Stoves Soaking pit Lime kiln Annealing furnace Stoves Soaking pit Lime kiln ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace? Increase in calorific value of the fuel Saving in fuel consumption Reduction in scale losses Increase in flame temperature Increase in calorific value of the fuel Saving in fuel consumption Reduction in scale losses Increase in flame temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. Increases the load on the induced draft fan Reduces the furnace draught Reduces the flue gas temperature and makes the furnace atmosphere oxidising All of these Increases the load on the induced draft fan Reduces the furnace draught Reduces the flue gas temperature and makes the furnace atmosphere oxidising All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Artificial draught produced by a fan in the furnace can be controlled by the All of these Speed of the fan Variation in the pitch of fan blades Damper All of these Speed of the fan Variation in the pitch of fan blades Damper ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the stock/charge in the furnace does not depend upon the Emissivity of the refactory walls Size of the furance Thickness of the stock Use of waste heat recovery equipments Emissivity of the refactory walls Size of the furance Thickness of the stock Use of waste heat recovery equipments ANSWER DOWNLOAD EXAMIANS APP
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