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Furnace Technology

Furnace Technology
Maximum thermal efficiency of boiler may be about __________ percent.

25
10
90
65

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Furnace Technology
In producer gas making furnace, steam is added along with air to mainly control the

V. of producer gas
Fusion of coal ash & clinker formation
Tar content in producer gas
Temperature of producer gas

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Furnace Technology
Combustion of fuel in a furnace with oxygen enriched air results in higher

Fuel consumption
Flue gas volume
Flame temperature
Stack loss

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Furnace Technology
Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent.

45-50
44119
65-70
25-30

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Furnace Technology
Unit of furnace loading is

Both B and C
Ton stock/m² hearth area
Ton stock/hr
Ton stock/hr/m² hearth area

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Furnace Technology
Acid dew point temperature (ADT) of a flue gas produced by the combustion of a fuel containing 1% sulphur may be about __________ °C.

250
180
80
130

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