Which of the following factors determine the amount of entrainment in a distillation column ?

Byadmin March 2, 2019August 23, 2021

Which of the following factors determine the amount of entrainment in a distillation column ?

A. Plate spacing
B. Depth of liquid above the bubble cap slots
C. Vapour velocity in the volume between the plates
D. All A., B. and C.

Process Equipment and Plant Design

A binary liquid Azeotropic mixture has boiling point higher than either of the components, when it shows ______________ deviation from Raoult’s Law?

A binary liquid Azeotropic mixture has boiling point higher than either of the components, when it shows ______________ deviation from Raoult’s Law?

A. Positive
B. Negative
C. No
D. None of these

Read More A binary liquid Azeotropic mixture has boiling point higher than either of the components, when it shows ______________ deviation from Raoult’s Law?
Process Equipment and Plant Design

For given number of passes, pitch & tube diameter, the maximum number of tubes that can be accommodated in a shell of tripled inside diameter will be ____________ times?

For given number of passes, pitch & tube diameter, the maximum number of tubes that can be accommodated in a shell of tripled inside diameter will be ____________ times?

A. About 9
B. Considerably more than 9
C. Considerably less than 9
D. About 3

Read More For given number of passes, pitch & tube diameter, the maximum number of tubes that can be accommodated in a shell of tripled inside diameter will be ____________ times?
Process Equipment and Plant Design

In a distillation column, minimum clearance to be maintained between the overflow weir and the last row of the bubble caps is ______________ cms?

In a distillation column, minimum clearance to be maintained between the overflow weir and the last row of the bubble caps is ______________ cms?

A. 2.5
B. 7.5
C. 15
D. 20

Read More In a distillation column, minimum clearance to be maintained between the overflow weir and the last row of the bubble caps is ______________ cms?
Process Equipment and Plant Design

The most common standard size of bubble caps used in industrial operation is___________________?

The most common standard size of bubble caps used in industrial operation is___________________?

A. 1″ dia cap with 0.5″ dia riser
B. 6″ dia cap with 4″ dia riser
C. 8″ dia cap with 1″ dia riser
D. 4″ dia cap with 8″ dia riser

Read More The most common standard size of bubble caps used in industrial operation is___________________?
Process Equipment and Plant Design

For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for dia of the tank in question), the thickness of the courses of shell_________________?

For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for dia of the tank in question), the thickness of the courses of shell_________________?

A. Decreases upwards
B. Increases upwards
C. Remains same throughout
D. May decrease or increase upwards depending upon whether vacuum or positive pressure
would be maintained inside the shell

Read More For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for dia of the tank in question), the thickness of the courses of shell_________________?
Process Equipment and Plant Design

Value of Peclet number = ∞, is the representative of___________________?

Value of Peclet number = ∞, is the representative of___________________?

A. Laminar flow
B. Complete back mixing
C. Plug flow
D. Eddy diffusivity = 0

Read More Value of Peclet number = ∞, is the representative of___________________?

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