Which of the following is not a valid assumption in continuous binary distillation for calculating the number of equilibrium stages by Mc-Cabe-Thiele's method?

Process Equipment and Plant Design
Which of the following is not a valid assumption in continuous binary distillation for calculating the number of equilibrium stages by Mc-Cabe-Thiele's method?

Heat of mixing of normal liquid is assumed to be zero

Molar latent heat of the two components are equal

Reflux is not a saturated liquid

Sensible heat changes for vapour & liquid are negligibly small

Heat of mixing of normal liquid is assumed to be zero

Molar latent heat of the two components are equal

Reflux is not a saturated liquid

Sensible heat changes for vapour & liquid are negligibly small

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Process Equipment and Plant Design
Lap joints are preferred for plates having thickness __________ mm.

> 3

> 5

43961

< 12.5

> 3

> 5

43961

< 12.5

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Process Equipment and Plant Design
Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate?

Square pitch

Triangular pitch

Diagonal square pitch

Heat transfer rate is independent of tube arrangement

Square pitch

Triangular pitch

Diagonal square pitch

Heat transfer rate is independent of tube arrangement

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Process Equipment and Plant Design
The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate.

43832

4

2

43834

43832

4

2

43834

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Process Equipment and Plant Design
For turbine agitator, the impeller diameter is about

0.3 to 0.5 d

0.65 to 0.85 d

0.1 to 0.2 d

0.95 d

0.3 to 0.5 d

0.65 to 0.85 d

0.1 to 0.2 d

0.95 d

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Process Equipment and Plant Design
Value of Peclet number = ∞, is the representative of

Plug flow

Eddy diffusivity = 0

Laminar flow

Complete back mixing

Plug flow

Eddy diffusivity = 0

Laminar flow

Complete back mixing

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Process Equipment and Plant Design

Process Equipment and Plant Design Which of the following is not a valid assumption in continuous binary distillation for calculating the number of equilibrium stages by Mc-Cabe-Thiele's method?

Process Equipment and Plant Design Lap joints are preferred for plates having thickness __________ mm.

Process Equipment and Plant Design Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate?

Process Equipment and Plant Design The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate.

Process Equipment and Plant Design For turbine agitator, the impeller diameter is about

Process Equipment and Plant Design Value of Peclet number = ∞, is the representative of

Process Equipment and Plant Design
Which of the following is not a valid assumption in continuous binary distillation for calculating the number of equilibrium stages by Mc-Cabe-Thiele's method?

Process Equipment and Plant Design
Lap joints are preferred for plates having thickness __________ mm.

Process Equipment and Plant Design
Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate?

Process Equipment and Plant Design
The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate.

Process Equipment and Plant Design
For turbine agitator, the impeller diameter is about

Process Equipment and Plant Design
Value of Peclet number = ∞, is the representative of