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 combustion air Preheating the fuel gas All of these Oxygen enrichment of combustion air Preheating the combustion air Preheating the fuel gas All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If fuel and air are mixed ahead of the burner, it is called a/an __________ burner. Diffusion Rotary Outside mixing type Premix Diffusion Rotary Outside mixing type Premix ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent. 85 40 70 15 85 40 70 15 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Cement Kiln is a Tunnel Kiln Rotary Kiln Batch furnace Natural draft furnace Tunnel Kiln Rotary Kiln Batch furnace Natural draft furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Combustion of furnace oil in a furnace (soaking pit) with preheated combustion air at 400°C results in saving of about __________ percent furnace oil as compared to its combustion with atmospheric air, if the flue gas outlet temperature from the soaking pit is 1200°C. 40 5 20 60 40 5 20 60 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace operation, which is not preheated? Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Neither A nor B Solid fuels Both A and B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Neither A nor B Solid fuels Both A and B ANSWER DOWNLOAD EXAMIANS APP
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