Overfire burning in a furnace is a phenomenon characterised by____________________?

Byadmin March 11, 2019August 29, 2021

Overfire burning in a furnace is a phenomenon characterised by____________________?

A. Supply of excess fuel
B. Supply of excess air
C. Burning carbon monoxide and other incombustible in upper zone of furnace by supplying
more air
D. None of these

Furnace Technology

In a muffle furnace, the muffle_________________?

In a muffle furnace, the muffle_________________?

A. Retards the heat transfer
B. Assists in temperature equalisation in the charge
C. Permits the use of controlled atmosphere for the protection of stock
D. All A., B. and C.

Read More In a muffle furnace, the muffle_________________?
CHEMICAL ENGINEERING | Furnace Technology

Operation of blast furnace stove is based on the principles of a __________ furnace.

Question: Operation of blast furnace stove is based on the principles of a __________ furnace.
[A].

regenerative
[B].
recuperative
[C].
both (a) and (b)
[D].
neither (a) nor (b).

Answer: Option A

Explanation:

No answer description available for this question.

Read More Operation of blast furnace stove is based on the principles of a __________ furnace.
Furnace Technology

The purpose of controlling the furnace atmosphere is to prevent surface attack by__________________?

The purpose of controlling the furnace atmosphere is to prevent surface attack by__________________?

A. Oxidation/scaling
B. Decarburising
C. Sulphur penetration
D. Either of the above

Read More The purpose of controlling the furnace atmosphere is to prevent surface attack by__________________?
Furnace Technology

If fuel and air are mixed ahead of the burner, it is called a/an ______________ burner?

If fuel and air are mixed ahead of the burner, it is called a/an ______________ burner?

A. Premix
B. Outside mixing type
C. Rotary
D. Diffusion

Read More If fuel and air are mixed ahead of the burner, it is called a/an ______________ burner?
Furnace Technology

Higher furnace temperature cannot be achieved by use of a lean fuel gas in the furnace by_________________?

Higher furnace temperature cannot be achieved by use of a lean fuel gas in the furnace by_________________?

A. Increasing the draft in the furnace
B. Preheating the fuel gas
C. Oxygen enrichment of combustion air
D. Preheating the combustion air

Read More Higher furnace temperature cannot be achieved by use of a lean fuel gas in the furnace by_________________?
Furnace Technology

In salt bath furnace, heat is transferred to the charge mainly by __________________?

In salt bath furnace, heat is transferred to the charge mainly by __________________?

A. Conduction
B. Convection
C. Radiation
D. None of these

Read More In salt bath furnace, heat is transferred to the charge mainly by __________________?

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