Value of Peclet number = ∞, is the representative of

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

Complete back mixing

Eddy diffusivity = 0

Laminar flow

Plug flow

Complete back mixing

Eddy diffusivity = 0

Laminar flow

Plug flow

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Process Equipment and Plant Design
In packed towers provided with saddle packing, liquid redistributors are positioned at every __________ times column diameter or 6 metres whichever is less.

20-25

44119

43864

43959

20-25

44119

43864

43959

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Process Equipment and Plant Design
For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ).

1/D

D²

1/D⁵

1/D²

1/D

D²

1/D⁵

1/D²

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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?

Sensible heat changes for vapour & liquid are negligibly small

Reflux is not a saturated liquid

Molar latent heat of the two components are equal

Heat of mixing of normal liquid is assumed to be zero

Sensible heat changes for vapour & liquid are negligibly small

Reflux is not a saturated liquid

Molar latent heat of the two components are equal

Heat of mixing of normal liquid is assumed to be zero

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Process Equipment and Plant Design
Cooling water fouling factors vary in the range of 0.001 to 0.003

(BTU/hr.ft² . °F)⁻¹

(W/m².°K)⁻¹

(kcal/hr. m. °C)⁻¹

(kcal/hr.m² .°C)⁻¹

(BTU/hr.ft² . °F)⁻¹

(W/m².°K)⁻¹

(kcal/hr. m. °C)⁻¹

(kcal/hr.m² .°C)⁻¹

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Process Equipment and Plant Design
With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases.

Running cost of steam for reboiler

Running cost of cooling water for condenser

Vapour & liquid load both

Fixed charges initially

Running cost of steam for reboiler

Running cost of cooling water for condenser

Vapour & liquid load both

Fixed charges initially

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Process Equipment and Plant Design

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

Process Equipment and Plant Design In packed towers provided with saddle packing, liquid redistributors are positioned at every __________ times column diameter or 6 metres whichever is less.

Process Equipment and Plant Design For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ).

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 Cooling water fouling factors vary in the range of 0.001 to 0.003

Process Equipment and Plant Design With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases.

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

Process Equipment and Plant Design
In packed towers provided with saddle packing, liquid redistributors are positioned at every __________ times column diameter or 6 metres whichever is less.

Process Equipment and Plant Design
For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ).

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
Cooling water fouling factors vary in the range of 0.001 to 0.003

Process Equipment and Plant Design
With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases.