Furnace Technology

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

Byadmin March 11, 2019August 27, 2021

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

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

Furnace Technology

Heat balance of furnace provides means of determining the_________________?

Heat balance of furnace provides means of determining the_________________?

A. Thermal efficiency of the process
B. Sources of heat losses
C. Scope of reduction of heat losses
D. All A., B. and C.

Read More Heat balance of furnace provides means of determining the_________________?
CHEMICAL ENGINEERING | Furnace Technology

Out of the following fuels used in a furnace exhausting flue gas at a temperature of 600°C, the percentage stack loss will be maximum in case of complete combustion of

Question: Out of the following fuels used in a furnace exhausting flue gas at a temperature of 600°C, the percentage stack loss will be maximum in case of complete combustion of
[A].

furnace oil with air.
[B].
furnace oil with oxygen.
[C].
blast furnace gas with air.
[D].
blast furnace gas with oxygen.

Answer: Option C

Explanation:

No answer description available for this question.

Read More Out of the following fuels used in a furnace exhausting flue gas at a temperature of 600°C, the percentage stack loss will be maximum in case of complete combustion of
CHEMICAL ENGINEERING | Furnace Technology

If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace.

Question: If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace.
[A].

sidefired
[B].
underfired
[C].
covered
[D].
recirculating

Answer: Option B

Explanation:

No answer description available for this question.

Read More If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace.
Furnace Technology

Example of an indirectly heated furnace is__________________?

Example of an indirectly heated furnace is__________________?

A. Hood annealing furnace
B. Muffle furnace
C. Both A. and B.
D. Neither A. nor B.

Read More Example of an indirectly heated furnace is__________________?
Furnace Technology

Reducing atmosphere is maintained in a__________________?

Reducing atmosphere is maintained in a__________________?

A. Calcination kiln
B. Blast furnace
C. Soaking pit
D. L.D. converter

Read More Reducing atmosphere is maintained in a__________________?
CHEMICAL ENGINEERING | Furnace Technology

Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures.

Question: Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures.
[A].

350
[B].
750
[C].
1050
[D].
1250

Answer: Option B

Explanation:

No answer description available for this question.

Read More Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures.

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