CHEMICAL ENGINEERING | Chemical Process

Nickel is not used as a catalyst in the

Byadmin August 11, 2022

Question: Nickel is not used as a catalyst in the
[A].

Fischer-Tropsch process.

[B].

shift conversion.

[C].

hydrogenation of oil.

[D].

Ostwald’s process of HNO3 manufacture.

Answer: Option D

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Heat of reaction is

Question: Heat of reaction is
[A].

dependent on pressure only.
[B].
dependent on temperature only.
[C].
dependent on both pressure and temperature.
[D].
independent of temperature changes.

Answer: Option C

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Chemical Engineering Basics

__________ metal is used as a bearing liner material.

Question: __________ metal is used as a bearing liner material.
[A].

Pewter
[B].
White
[C].
Babbit
[D].
Gun

Answer: Option C

Explanation:

No answer description available for this question.

Read More __________ metal is used as a bearing liner material.
Chemical Process

Dehydrogenation of ethyl benzene produces __________________ ?

Dehydrogenation of ethyl benzene produces __________________ ?

A. Styrene
B. Naphthalene
C. Phenol
D. Benzoic acid

Read More Dehydrogenation of ethyl benzene produces __________________ ?
Chemical Process

Liquefaction of gases cannot be done by___________________?

Liquefaction of gases cannot be done by___________________?

A. Exchange of heat with colder stream
B. Adiabatic expansion through a throttle valve (Joule-Thomson expansion)
C. Merely compressing it beyond critical pressure
D. Adiabatic expansion against a piston or in a turbine

Read More Liquefaction of gases cannot be done by___________________?
CHEMICAL ENGINEERING | Mass Transfer

Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are

Question: Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are
[A].

1
[B].
8
[C].
9
[D].
10

Answer: Option C

Explanation:

No answer description available for this question.

Read More Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are
CHEMICAL ENGINEERING | Fluid Mechanics

A particle A of diameter 10 microns settles in an oil of specific gravity 0.9 and viscosity 10 poise under Stoke’s law. A particle B with diameter 20 microns settling in the same oil will have a settling velocity

Question: A particle A of diameter 10 microns settles in an oil of specific gravity 0.9 and viscosity 10 poise under Stoke’s law. A particle B with diameter 20 microns settling in the same oil will have a settling velocity
[A].

same as that of A.
[B].
one fourth as that of A.
[C].
twice as that of A.
[D].
four times as that of A.

Answer: Option B

Explanation:

No answer description available for this question.

Read More A particle A of diameter 10 microns settles in an oil of specific gravity 0.9 and viscosity 10 poise under Stoke’s law. A particle B with diameter 20 microns settling in the same oil will have a settling velocity

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