Furnace Technology If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace. Underfired Covered Sidefired Recirculating Underfired Covered Sidefired Recirculating ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the stock/charge in the furnace does not depend upon the Size of the furance Use of waste heat recovery equipments Emissivity of the refactory walls Thickness of the stock Size of the furance Use of waste heat recovery equipments Emissivity of the refactory walls Thickness of the stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a natural draft furnace? Power plant boilers Blast furnace stoves Sintering furnace None of these Power plant boilers Blast furnace stoves Sintering furnace None of these 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 excessive positive draft in the furnace Use of pulverised solid fuels Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace Use of pulverised solid fuels Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most suitable for preheating combustion air above 650°C ? Metallic recuperator Regenerator None of these Ceramic recuperator Metallic recuperator Regenerator None of these Ceramic recuperator ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs preheating, heating and soaking zones? Open hearth furnace Reheating furnace Cupola Soaking pit Open hearth furnace Reheating furnace Cupola Soaking pit ANSWER DOWNLOAD EXAMIANS APP