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Furnace Technology

Furnace Technology
Which furnace employs natural draft?

Boiler
L.D. converter
Rotary kilns
Coke oven

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Furnace Technology
Fuel economy in an industrial furnace operation can not be achieved by the use of

Stoichiometric combustion air
Recupterators
Non-preheated combustion air
Combustion air not enriched with oxygen

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Furnace Technology
Ostwald charts are meant for

Calculation of flue gas temperature
Computation of flue gas analysis
None of these
Computing the excess/deficiency of combustion air

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Furnace Technology
Design of waste heat boiler for recovery of waste heat from furnace gases depends upon the

Quantity & temperature of waste gas
All of these
Dust concentration & nature of dust in waste gas
Corrosive nature of the waste gas

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Furnace Technology
Cement Kiln is a

Natural draft furnace
Batch furnace
Tunnel Kiln
Rotary Kiln

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Furnace Technology
The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent.

85
50
99
65

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MORE MCQ ON Furnace Technology

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