CHEMICAL ENGINEERING | Mass Transfer

Which of the following T-H diagram is valid for dehumidification operation ?

Byadmin August 29, 2022

Question: Which of the following T-H diagram is valid for dehumidification operation ?
[A].

[B].

[C].

[D].

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Heat Transfer

For hot feed, forward feeding as compared to backward feeding results in __________ economy.

Question: For hot feed, forward feeding as compared to backward feeding results in __________ economy.
[A].

increased
[B].
decreased
[C].
no effect on
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More For hot feed, forward feeding as compared to backward feeding results in __________ economy.
Mass Transfer

What is the degree of freedom of an absorption process in which only one component is transferred between phases ?

What is the degree of freedom of an absorption process in which only one component is transferred between phases ?

A. 1
B. 2
C. 3
D. 4

Read More What is the degree of freedom of an absorption process in which only one component is transferred between phases ?
CHEMICAL ENGINEERING | Heat Transfer

For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is

Question: For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is
[A].

Nu = 0.023 Re0.8 . Pr0.4
[B].
Nu = Gz
[C].
Nu = Gz
[D].
Nu = 2Gz0.5

Answer: Option C

Explanation:

No answer description available for this question.

Read More For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is
CHEMICAL ENGINEERING | Fuels and Combustion

A good coking coal should have high __________ content.

Question: A good coking coal should have high __________ content.
[A].

ash
[B].
sulphur & phosphorus
[C].
moisture
[D].
none of these

Answer: Option D

Explanation:

No answer description available for this question.

Read More A good coking coal should have high __________ content.
CHEMICAL ENGINEERING | Chemical Engineering Basics

Elimination of brittleness resulting from welding of saw blades is done by __________ of the welded portion.

Question: Elimination of brittleness resulting from welding of saw blades is done by __________ of the welded portion.
[A].

annealing
[B].
toughening
[C].
work hardening
[D].
tempering

Answer: Option A

Explanation:

No answer description available for this question.

Read More Elimination of brittleness resulting from welding of saw blades is done by __________ of the welded portion.
CHEMICAL ENGINEERING | Mass Transfer

In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero.

Question: In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero.
[A].

interface
[B].
gas phase
[C].
liquid phase
[D].
all ‘a’, ‘b’ & ‘c’

Answer: Option A

Explanation:

No answer description available for this question.

Read More In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero.

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