CHEMICAL ENGINEERING | Mass Transfer

Which of the following provides maximum contact surface for a liquid-vapour system?

Byadmin August 29, 2022

Question: Which of the following provides maximum contact surface for a liquid-vapour system?
[A].

Packed tower

[B].

Bubble-cap plate column

[C].

Seive-plate column

[D].

Wetted wall column

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Mass Transfer

A packed tower compared to a plate tower for a particular mass transfer operation

Question: A packed tower compared to a plate tower for a particular mass transfer operation
[A].

incurs smaller pressure drop.
[B].
allows installation of cooling coils.
[C].
is less costly when built in large sizes/diameters.
[D].
is more suitable, if suspended solids are present in fluid streams.

Answer: Option A

Explanation:

No answer description available for this question.

Read More A packed tower compared to a plate tower for a particular mass transfer operation
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

For multicomponent multiple phases to be in equilibrium at the same pressure and temperature, the __________ of each component must be same in all phases.

Question: For multicomponent multiple phases to be in equilibrium at the same pressure and temperature, the __________ of each component must be same in all phases.
[A].

chemical potential
[B].
fugacity
[C].
both (a) and (b)
[D].
neither (a) nor (b)

Answer: Option C

Explanation:

No answer description available for this question.

Read More For multicomponent multiple phases to be in equilibrium at the same pressure and temperature, the __________ of each component must be same in all phases.
Mass Transfer

During the constant rate period of drying of a solid ?

During the constant rate period of drying of a solid ?

A. Increased air humidity decreases the rate of drying
B. Increasing the air temperature decreases the drying rate
C. Surface evaporation of unbound moisture occurs
D. None of these

Read More During the constant rate period of drying of a solid ?
Mass Transfer

In case of ______________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated?

In case of ______________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated?

A. Molecular
B. Azeotropic
C. Extractive
D. Flash

Read More In case of ______________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated?
CHEMICAL ENGINEERING | Chemical Engineering Basics

The capacity of a material to absorb energy depends upon both its strength & stiffness. The term ‘stiffness’ of a material is the opposite of its

Question: The capacity of a material to absorb energy depends upon both its strength & stiffness. The term ‘stiffness’ of a material is the opposite of its
[A].

flexibility
[B].
plasticity
[C].
hardness
[D].
hardenability

Answer: Option A

Explanation:

No answer description available for this question.

Read More The capacity of a material to absorb energy depends upon both its strength & stiffness. The term ‘stiffness’ of a material is the opposite of its
CHEMICAL ENGINEERING | Chemical Engineering Basics

Carnot cycle is also termed as the constant __________ cycle in thermodynamics.

Question: Carnot cycle is also termed as the constant __________ cycle in thermodynamics.
[A].

entropy
[B].
pressure
[C].
volume
[D].
heat

Answer: Option D

Explanation:

No answer description available for this question.

Read More Carnot cycle is also termed as the constant __________ cycle in thermodynamics.

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