Furnace Technology Temperature of a furnace fired with low calorific value fuel gas (i.e. lean gas) can be increased by Oxygen enrichment of combustion air Preheating the fuel gas Preheating the combustion air All of these Oxygen enrichment of combustion air Preheating the fuel gas Preheating the combustion air All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An example of a periodic furnace is the Blast furnace Blast furnace stoves Coke oven heating chamber Rotary kilns Blast furnace Blast furnace stoves Coke oven heating chamber Rotary kilns ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Decarburisation of steel Is favoured by CO₂ Is the removal of carbon from iron carbide (Fe₃C) All of these Affects its crystalline structure Is favoured by CO₂ Is the removal of carbon from iron carbide (Fe₃C) All of these Affects its crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology A refractory wall separating the stock and the source of heat is provided in a Continuous furnace Updraft kiln None of these Muffle furnace Continuous furnace Updraft kiln None of these Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Forced recirculation of furnace gases is practised All of these In furnaces, operating below 750°C To increase heat transfer by convection To ensure uniform temperature All of these In furnaces, operating below 750°C To increase heat transfer by convection To ensure uniform temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 250 650 850 1000 250 650 850 1000 ANSWER DOWNLOAD EXAMIANS APP
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