If f = moles of vapour present per mole of feed, then the slope of feed line is (Mcabe-Thiele method)

Byadmin August 29, 2022

Question: If f = moles of vapour present per mole of feed, then the slope of feed line is (Mcabe-Thiele method)
[A].

[B].

[C].

[D].

Answer: Option C

Explanation:

No answer description available for this question.

Mass Transfer

Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) ?

Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) ?

A. Increases pressure drop, increases surface area
B. Increases pressure drop, decreases surface area
C. Decreases pressure drop, increases surface area
D. Decreases pressure drop, decreases surface area

Read More Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) ?
CHEMICAL ENGINEERING | Heat Transfer

For __________ Prandtl number values, the heat conduction will be negligible in the buffer zone.

Question: For __________ Prandtl number values, the heat conduction will be negligible in the buffer zone.
[A].

extremely low
[B].
low
[C].
high
[D].
no

Answer: Option C

Explanation:

No answer description available for this question.

Read More For __________ Prandtl number values, the heat conduction will be negligible in the buffer zone.
CHEMICAL ENGINEERING | Chemical Engineering Basics

__________ flux is used for the extraction of metal from its self fluxing ores.

Question: __________ flux is used for the extraction of metal from its self fluxing ores.
[A].

No
[B].
Acid
[C].
Basic
[D].
Neutral

Answer: Option A

Explanation:

No answer description available for this question.

Read More __________ flux is used for the extraction of metal from its self fluxing ores.
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

__________ does not change during phase transformation processes like sublimation, melting & vaporisation.

Question: __________ does not change during phase transformation processes like sublimation, melting & vaporisation.
[A].

Entropy
[B].
Gibbs free energy
[C].
Internal energy
[D].
all (a), (b) & (c)

Answer: Option B

Explanation:

No answer description available for this question.

Read More __________ does not change during phase transformation processes like sublimation, melting & vaporisation.
CHEMICAL ENGINEERING | Heat Transfer

A fluid is flowing inside the inner tube of a double pipe heat exchanger with diameter ‘d’. For a fixed mass flow rate, the tube side heat transfer co-efficient for turbulent flow conditions is proportional to

Question: A fluid is flowing inside the inner tube of a double pipe heat exchanger with diameter ‘d’. For a fixed mass flow rate, the tube side heat transfer co-efficient for turbulent flow conditions is proportional to
[A].

d0.8
[B].
d-0.2
[C].
d-1
[D].
d-1.8

Answer: Option B

Explanation:

No answer description available for this question.

Read More A fluid is flowing inside the inner tube of a double pipe heat exchanger with diameter ‘d’. For a fixed mass flow rate, the tube side heat transfer co-efficient for turbulent flow conditions is proportional to
CHEMICAL ENGINEERING | Fuels and Combustion

Yield of coke oven gas in low temperature carbonisation of coal is about __________ Nm3 /ton of dry coal.

Question: Yield of coke oven gas in low temperature carbonisation of coal is about __________ Nm3 /ton of dry coal.
[A].

60
[B].
160
[C].
500
[D].
750

Answer: Option B

Explanation:

No answer description available for this question.

Read More Yield of coke oven gas in low temperature carbonisation of coal is about __________ Nm3 /ton of dry coal.

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