Forced recirculation of furnace gases is practised_______________?

Byadmin March 11, 2019August 27, 2021

Forced recirculation of furnace gases is practised_______________?

A. To increase heat transfer by convection
B. To ensure uniform temperature
C. In furnaces, operating below 750°C
D. All A., B. and C.

Furnace Technology

The heating capacity of muffle furnace depends on the_________________?

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.

Read More The heating capacity of muffle furnace depends on the_________________?
CHEMICAL ENGINEERING | Furnace Technology

In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the

Question: In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the
[A].

rate of firing and emissivity of flame.
[B].
thermal conductivity of the charge & structural materials of furnace.
[C].
nature of process ; whether batch, continuous or intermittant.
[D].
all (a), (b) and (c)

Answer: Option D

Explanation:

No answer description available for this question.

Read More In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the
Furnace Technology

Regenerators are normally provided in the____________________?

Regenerators are normally provided in the____________________?

A. Glass melting furnace
B. Open hearth furnace
C. By product coke ovens
D. All A., B. and C.

Read More Regenerators are normally provided in the____________________?
Furnace Technology

Shaft furnaces are used for_______________________?

Shaft furnaces are used for_______________________?

A. Smelting
B. Calcining
C. Roasting
D. All A., B. and C.

Read More Shaft furnaces are used for_______________________?
CHEMICAL ENGINEERING | Furnace Technology

Furnace pressure is normally controlled by regulating the

Question: Furnace pressure is normally controlled by regulating the
[A].

air pressure
[B].
fuel gas pressure
[C].
speed of I.D. fan
[D].
damper

Answer: Option D

Explanation:

No answer description available for this question.

Read More Furnace pressure is normally controlled by regulating the
Furnace Technology

Thermal efficiency of furnaces can be improved by____________________?

Thermal efficiency of furnaces can be improved by____________________?

A. Waste heat recovery from flue gas
B. Minimising heat losses from furnace walls
C. Maintaining proper draught
D. All A., B. and C.

Read More Thermal efficiency of furnaces can be improved by____________________?

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