CHEMICAL ENGINEERING | Furnace Technology

Fuel economy in furnaces can be achieved by

Byadmin August 23, 2022

Question: Fuel economy in furnaces can be achieved by
[A].

using oxygen enriched combustion air.

[B].

preheating the combustion air.

[C].

reducing the heat loss through furnace openings & doors.

[D].

all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Heat Transfer

A wall has two layers of materials A and B; each made of a different material. Both the layers have the same thickness. The thermal conductivity of materialA is twice that of B. Under the equilibrium, the temperature difference across the wall is 36°C. The temperature difference across the layer A is __________ °C.

Question: A wall has two layers of materials A and B; each made of a different material. Both the layers have the same thickness. The thermal conductivity of materialA is twice that of B. Under the equilibrium, the temperature difference across the wall is 36°C. The temperature difference across the layer A is __________ °C.
[A].

6
[B].
12
[C].
18
[D].
24

Answer: Option B

Explanation:

No answer description available for this question.

Read More A wall has two layers of materials A and B; each made of a different material. Both the layers have the same thickness. The thermal conductivity of materialA is twice that of B. Under the equilibrium, the temperature difference across the wall is 36°C. The temperature difference across the layer A is __________ °C.
CHEMICAL ENGINEERING | Fuels and Combustion

If the specific heat of gaseous products of combustion of a fuel is high, the abiabatic flame temperature will be

Question: If the specific heat of gaseous products of combustion of a fuel is high, the abiabatic flame temperature will be
[A].

low
[B].
high
[C].
very high, if the fuel is of low calorific value
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More If the specific heat of gaseous products of combustion of a fuel is high, the abiabatic flame temperature will be
Furnace Technology

Which is a regenerative furnace ?

Which is a regenerative furnace ?

A. Coke oven heating chamber
B. Open hearth furnace
C. Both A. and B.
D. Neither A. nor B.

Read More Which is a regenerative furnace ?
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

For a single component two phase mixture, the number of independent variable properties are

Question: For a single component two phase mixture, the number of independent variable properties are
[A].

two
[B].
one
[C].
zero
[D].
three

Answer: Option B

Explanation:

No answer description available for this question.

Read More For a single component two phase mixture, the number of independent variable properties are
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a

Question: Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a
[A].

straight line
[B].
sine curve
[C].
parabola
[D].
hyperbola

Answer: Option A

Explanation:

No answer description available for this question.

Read More Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a
CHEMICAL ENGINEERING | Chemical Process

Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.

Question: Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.
[A].

10
[B].
25
[C].
50
[D].
98

Answer: Option A

Explanation:

No answer description available for this question.

Read More Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.

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