CHEMICAL ENGINEERING | Mass Transfer

For an absorber, both equilibrium and operating line will be straight for

Byadmin August 25, 2022

Question: For an absorber, both equilibrium and operating line will be straight for
[A].

concentrated solution and non-isothermal operation.

[B].

dilute solution and non-isothermal operation.

[C].

dilute solution and isothermal operation.

[D].

concentrated solution and isothermal operation.

Answer: Option C

Explanation:

No answer description available for this question.

Mass Transfer

The rate of solid-liquid extraction is limited by the_________________?

The rate of solid-liquid extraction is limited by the_________________?

A. Phase change of the solute as it dissolves in the solvent
B. Diffusion of the solute through the solvent in the pores to the outside of the particle
C. Diffusion of the solute from the solution in contact with the particle to the main bulk of the
solution
D. All A , B. & C.

Read More The rate of solid-liquid extraction is limited by the_________________?
CHEMICAL ENGINEERING | Heat Transfer

A fluid is flowing inside the inner tube of a double pipe heat exchanger with diameter ‘d’. For a fixed mass flow rate, the tube side heat transfer co-efficient for turbulent flow conditions is proportional to

Question: A fluid is flowing inside the inner tube of a double pipe heat exchanger with diameter ‘d’. For a fixed mass flow rate, the tube side heat transfer co-efficient for turbulent flow conditions is proportional to
[A].

d0.8
[B].
d-0.2
[C].
d-1
[D].
d-1.8

Answer: Option B

Explanation:

No answer description available for this question.

Read More A fluid is flowing inside the inner tube of a double pipe heat exchanger with diameter ‘d’. For a fixed mass flow rate, the tube side heat transfer co-efficient for turbulent flow conditions is proportional to
CHEMICAL ENGINEERING | Environmental Engineering

Fine grit present in sewage is removed in the __________ during sewage treatment.

Question: Fine grit present in sewage is removed in the __________ during sewage treatment.
[A].

grit chamber
[B].
detritus tank
[C].
trickling filter
[D].
skimming tank.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Fine grit present in sewage is removed in the __________ during sewage treatment.
Mass Transfer

The ‘shanks system’ of leaching (i.e., counter-current multiple contact leaching) is used for____________________?

The ‘shanks system’ of leaching (i.e., counter-current multiple contact leaching) is used for____________________?

A. Recovery of tannis from the tree barks and woods
B. Leaching sodium nitrate from Chilean nitrate bearing rock
C. Both A. and B.
D. Neither A. nor B.

Read More The ‘shanks system’ of leaching (i.e., counter-current multiple contact leaching) is used for____________________?
Mass Transfer

The equipment frequently used for adiabatic humidification-cooling operation with recirculating liquid is_________________?

The equipment frequently used for adiabatic humidification-cooling operation with recirculating liquid is_________________?

A. Natural draft cooling tower
B. Induced draft cooling tower
C. Spray chamber
D. None of these

Read More The equipment frequently used for adiabatic humidification-cooling operation with recirculating liquid is_________________?
CHEMICAL ENGINEERING | Fluid Mechanics

A centrifugal pump has the following specifications: Power = 4 H.P.; Speed = 800 rpmHead = 8 metresFlow = 1000 litres/minutes.If its speed is halved, the new discharge will be __________ litres/minute.

Question: A centrifugal pump has the following specifications: Power = 4 H.P.; Speed = 800 rpmHead = 8 metresFlow = 1000 litres/minutes.If its speed is halved, the new discharge will be __________ litres/minute.
[A].

500
[B].
200
[C].
1000
[D].
750

Answer: Option A

Explanation:

No answer description available for this question.

Read More A centrifugal pump has the following specifications: Power = 4 H.P.; Speed = 800 rpmHead = 8 metresFlow = 1000 litres/minutes.If its speed is halved, the new discharge will be __________ litres/minute.

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