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Furnace Technology

Furnace Technology
Which of the following is a batch furnace?

None of these
Glass tank furnace
Cupola
Reheating furnace

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Furnace Technology
Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C.

650
250
850
1000

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Furnace Technology
The heating capacity of muffle furnace depends on the

Neither A nor B
Surface area & emissivity of the stock
Both A & B
Properties of the muffle wall (temperature, area, emissivity)

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Furnace Technology
The heating capacity of continuous reheating furnace depends upon the

All of these
Ratio of wall surface to stock surface
Emissivity of the stock
Hearth area and furnace temperature

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Furnace Technology
Which of the following is a natural draft furnace?

Blast furnace stoves
Power plant boilers
Sintering furnace
None of these

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Furnace Technology
Blast furnace stoves are meant for heating

Steam
None of these
Air
Blast furnace gas

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