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?

Sensible heat changes for vapour & liquid are negligibly small

Molar latent heat of the two components are equal

Heat of mixing of normal liquid is assumed to be zero

Reflux is not a saturated liquid

Sensible heat changes for vapour & liquid are negligibly small

Molar latent heat of the two components are equal

Heat of mixing of normal liquid is assumed to be zero

Reflux is not a saturated liquid

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Process Equipment and Plant Design
__________ dished head is the strongest of all.

Elliptical

Torispherical

None of these

Hemispherical

Elliptical

Torispherical

None of these

Hemispherical

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

Increases upwards

Remains same throughout

Decreases upwards

May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell

Increases upwards

Remains same throughout

Decreases upwards

May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell

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Process Equipment and Plant Design
In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.)

Z.H/L.ρ

Z.H.ρ/L

L/Z.H.ρ

H.ρ/L

Z.H/L.ρ

Z.H.ρ/L

L/Z.H.ρ

H.ρ/L

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Process Equipment and Plant Design
In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by

σh = σL/2

No relation exists

σh = 2 σL

σh = σL

σh = σL/2

No relation exists

σh = 2 σL

σh = σL

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Process Equipment and Plant Design
In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon

Baffle spacing

Clearance

Pitch

None of these

Baffle spacing

Clearance

Pitch

None of these

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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 __________ dished head is the strongest of all.

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

Process Equipment and Plant Design In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.)

Process Equipment and Plant Design In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by

Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon

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
__________ dished head is the strongest of all.

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

Process Equipment and Plant Design
In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.)

Process Equipment and Plant Design
In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by

Process Equipment and Plant Design
In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon