The heating capacity of muffle furnace depends on the____________________?

Byadmin March 11, 2019August 27, 2021

The heating capacity of muffle furnace depends on the____________________?

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

Furnace Technology

Ostwald charts are meant for__________________?

Ostwald charts are meant for__________________?

A. Computing the excess/deficiency of combustion air
B. Calculation of flue gas temperature
C. Computation of flue gas analysis
D. None of these

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Furnace Technology

Heat transfer rate to the stock/charge in the furnace does not depend upon the________________?

Heat transfer rate to the stock/charge in the furnace does not depend upon the________________?

A. Emissivity of the refractory walls
B. Size of the furnace
C. Use of waste heat recovery equipments
D. Thickness of the stock

Read More Heat transfer rate to the stock/charge in the furnace does not depend upon the________________?
CHEMICAL ENGINEERING | Furnace Technology

In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by

Question: In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by
[A].

conduction
[B].
convection
[C].
radiation
[D].
can not be predicted.

Answer: Option C

Explanation:

No answer description available for this question.

Read More In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by
CHEMICAL ENGINEERING | Furnace Technology

An example of shaft furnace is the

Question: An example of shaft furnace is the
[A].

L.D. converter
[B].
glass melting tank
[C].
blast furnace
[D].
soaking pit

Answer: Option C

Explanation:

No answer description available for this question.

Read More An example of shaft furnace is the
CHEMICAL ENGINEERING | Furnace Technology

Ingress of cold air in the furnaces through cracks, charging doors, openings etc.

Question: Ingress of cold air in the furnaces through cracks, charging doors, openings etc.
[A].

reduces the flue gas temperature and makes the furnace atmosphere oxidising.
[B].
increases the load on the induced draft fan.
[C].
reduces the furnace draught.
[D].
all (a), (b) and (c)

Answer: Option D

Explanation:

No answer description available for this question.

Read More Ingress of cold air in the furnaces through cracks, charging doors, openings etc.
Furnace Technology

Unit of furnace loading is____________________?

Unit of furnace loading is____________________?

A. Ton stock/hr/m2 hearth area
B. Ton stock/hr
C. Ton stock/m2 hearth area
D. Both B. and C.

Read More Unit of furnace loading is____________________?

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