CHEMICAL ENGINEERING | Mass Transfer

H2S present in naphtha reformed gas is removed by absorbing with

Byadmin August 25, 2022

Question: H2S present in naphtha reformed gas is removed by absorbing with
[A].

ethanolamine

[B].

K2CO3

[C].

HCl

[D].

vacuum gas oil

Answer: Option A

Explanation:

No answer description available for this question.

Mass Transfer

When the liquid over a plate is of uniform concentration, then ______________________?

When the liquid over a plate is of uniform concentration, then ______________________?

A. Murphree efficiency > point efficiency
B. Murphree efficiency < point efficiency
C. Murphree efficiency = point efficiency
D. Murphree efficiency ≠ point efficiency

Read More When the liquid over a plate is of uniform concentration, then ______________________?
CHEMICAL ENGINEERING | Fluid Mechanics

Maintenance cost of a __________ pump for a particular duty is the least.

Question: Maintenance cost of a __________ pump for a particular duty is the least.
[A].

centrifugal
[B].
reciprocating
[C].
volute
[D].
gear

Answer: Option A

Explanation:

No answer description available for this question.

Read More Maintenance cost of a __________ pump for a particular duty is the least.
CHEMICAL ENGINEERING | Fuels and Combustion

By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of

Question: By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of
[A].

tar
[B].
benzol
[C].
ammonia
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of
CHEMICAL ENGINEERING | Environmental Engineering

Out of the following, TLV of __________ is maximum (about 500 ppm).

Question: Out of the following, TLV of __________ is maximum (about 500 ppm).
[A].

carbon dioxide
[B].
toluene
[C].
carbon disulphide
[D].
acetaldehyde

Answer: Option A

Explanation:

No answer description available for this question.

Read More Out of the following, TLV of __________ is maximum (about 500 ppm).
Mass Transfer

Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the____________________?

Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the____________________?

A. Packing may be crushed due to thermal expansion/contraction of the components of the
equipments
B. Pressure drop in the equipment will be very high
C. Viscosity variation of the fluids may cause channelling/flooding
D. None of these

Read More Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the____________________?
CHEMICAL ENGINEERING | Chemical Engineering Basics

Limestone is added in the blast furnace (during pig iron manufacture) to

Question: Limestone is added in the blast furnace (during pig iron manufacture) to
[A].

form slag by combining with impurities.
[B].
supply heat by undergoing exothermic reaction with impurities.
[C].
reduce the coke consumption.
[D].
reduce slag viscosity.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Limestone is added in the blast furnace (during pig iron manufacture) to

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