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

Soaking pits are meant for heating steel_________________?

Soaking pits are meant for heating steel_________________?

A. Ingots
B. Coils
C. Sheets
D. Slabs

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CHEMICAL ENGINEERING | Furnace Technology

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

Question: Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent.
[A].

10-15
[B].
25-30
[C].
45-50
[D].
65-70

Answer: Option B

Explanation:

No answer description available for this question.

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

Hearth furnaces are not used for

Question: Hearth furnaces are not used for
[A].

roasting
[B].
melting
[C].
reheating
[D].
none of these

Answer: Option D

Explanation:

No answer description available for this question.

Read More Hearth furnaces are not used for
Furnace Technology

The main function of a muffle in the muffle furnace is to__________________?

The main function of a muffle in the muffle furnace is to__________________?

A. Protect the charge from the effects of the products of combustion
B. Smooth out temperature inequalities on the combustion side of the muffle wall
C. Both A. & B.
D. Neither A. nor B.

Read More The main function of a muffle in the muffle furnace is to__________________?
Furnace Technology

Furnace aerodynamics is related to the _____________ in the furnace?

Furnace aerodynamics is related to the _____________ in the furnace?

A. Movement of gases
B. Measurement of flue gas volume
C. Temperature control
D. Pressure adjustment

Read More Furnace aerodynamics is related to the _____________ in the furnace?
CHEMICAL ENGINEERING | Furnace Technology

In order to maintain a reducing atmosphere in a furnace, it should have

Question: In order to maintain a reducing atmosphere in a furnace, it should have
[A].

no O2 in flue gas
[B].
CO in flue gas
[C].
high excess air
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More In order to maintain a reducing atmosphere in a furnace, it should have

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