CHEMICAL ENGINEERING | Mass Transfer

Flooding in a column results due to

Byadmin August 25, 2022

Question: Flooding in a column results due to
[A].

high pressure drop

[B].

low pressure drop

[C].

low velocity of the liquid

[D].

high temperature

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Fluid Mechanics

In the Newton’s law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass is __________ the fluid viscosity.

Question: In the Newton’s law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass is __________ the fluid viscosity.
[A].

directly proportional to
[B].
inversely proportional to
[C].
inversely proportional to the square root of
[D].
independent of

Answer: Option B

Explanation:

No answer description available for this question.

Read More In the Newton’s law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass is __________ the fluid viscosity.
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

For a constant pressure reversible process, the enthalpy change (ΔH) of the system is

Question: For a constant pressure reversible process, the enthalpy change (ΔH) of the system is
[A].

Cv.dT
[B].
Cp.dT
[C].

[D].

Answer: Option C

Explanation:

No answer description available for this question.

Read More For a constant pressure reversible process, the enthalpy change (ΔH) of the system is
CHEMICAL ENGINEERING | Chemical Engineering Basics

In Newton’s law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, Vg = velocity gradient ).

Question: In Newton’s law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, Vg = velocity gradient ).
[A].

V2
[B].
1/V2
[C].
1/Vg
[D].
Vg

Answer: Option D

Explanation:

No answer description available for this question.

Read More In Newton’s law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, Vg = velocity gradient ).
CHEMICAL ENGINEERING

With increase in ___________________ Knocking tendency in a spark ignition petrol engine decreases?

With increase in ___________________ Knocking tendency in a spark ignition petrol engine decreases?

A. Supercharging
B. Wall temperature
C. Compression ratio
D. Engine speed

Read More With increase in ___________________ Knocking tendency in a spark ignition petrol engine decreases?
CHEMICAL ENGINEERING | Mass Transfer

Drying operation under vacuum is carried out to

Question: Drying operation under vacuum is carried out to
[A].

dry those materials which have very high unbound mositure content.
[B].
reduce drying temperature.
[C].
increase drying temperature.
[D].
dry materials having high bound moisture content.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Drying operation under vacuum is carried out to
CHEMICAL ENGINEERING | Chemical Reaction Engineering

A first order gaseous phase reaction is catalysed by a non-porous solid. The kinetic rate constant and the external mass transfer co-efficients are k and kg respectively. The effective rate constant (keff) is given by

Question: A first order gaseous phase reaction is catalysed by a non-porous solid. The kinetic rate constant and the external mass transfer co-efficients are k and kg respectively. The effective rate constant (keff) is given by
[A].

keff = k + kg
[B].
keff = (k+ kg)/2
[C].
keff = (kkg)1/2
[D].

Answer: Option D

Explanation:

No answer description available for this question.

Read More A first order gaseous phase reaction is catalysed by a non-porous solid. The kinetic rate constant and the external mass transfer co-efficients are k and kg respectively. The effective rate constant (keff) is given by

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