Furnace Technology

141.Which one is not an induced draught furnace?

1. Blast furnace stove
2. Sintering furnace
3. High pressure boiler
4. None of these

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142.Which one shows the diagrammatic heat balance in a furnace?

1. Sankey diagram
2. Cox chart
3. Ostwald chart
4. None of these

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143.While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about _________ °C.

1. 2000
2. 3000
3. 4500
4. 6000

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