CHEMICAL ENGINEERING | Chemical Process

Carboxymethyl cellulose (CMC) is added in detergents to act as a/an

Byadmin August 10, 2022

Question: Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
[A].

surfactant

[B].

builder

[C].

optical brightening agent

[D].

anti soil redeposition agent

Answer: Option D

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

For a reversible process involving only pressure-volume work

Question: For a reversible process involving only pressure-volume work
[A].

(dF)T, p < 0
[B].
(dF)T, p > 0
[C].
(dF)T, p = 0
[D].
(dA)T, v < 0

Answer: Option C

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

is the mathematical expression for

Question: is the mathematical expression for
[A].

specific heat at constant pressure (Cp).
[B].
specific heat at constant volume (Cv).
[C].
Joule-Thompson co-efficient.
[D].
none of these.

Answer: Option C

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Environmental Engineering

Fresh domestic sewage is __________ in color.

Question: Fresh domestic sewage is __________ in color.
[A].

grey
[B].
dark brown
[C].
red
[D].
black

Answer: Option A

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Mass Transfer

Mechanism of moisture removal in case of freeze drying of food stuff is by

Question: Mechanism of moisture removal in case of freeze drying of food stuff is by
[A].

evaporation
[B].
sublimation
[C].
dehydration
[D].
adsorption

Answer: Option B

Explanation:

No answer description available for this question.

Read More Mechanism of moisture removal in case of freeze drying of food stuff is by
CHEMICAL ENGINEERING | Chemical Reaction Engineering

Kinetics of a solid catalysed reaction can best be studied in a __________ reactor.

Question: Kinetics of a solid catalysed reaction can best be studied in a __________ reactor.
[A].

batch
[B].
plug-flow
[C].
mixed
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More Kinetics of a solid catalysed reaction can best be studied in a __________ reactor.
CHEMICAL ENGINEERING | Chemical Process

In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst

Question: In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst
[A].

gives higher conversion efficiency.
[B].
has a longer life and is not poisoned by arsenic.
[C].
handles lower SO2 content gas (7 -10% SO2), thus increasing the capital cost of the plant.
[D].
all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst

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