Pressure drop due to pipe fittings can be estimated by the equation, ΔP/p = 4f.Le/D.V2/2gc, where, Le = equivalent length of straight pipeline which will incur the same frictional loss as the fitting and D = diameter of the fitting. The value of Le/D (dimensionless) for 45° elbow and 180° close return bends would be respectively around

Process Equipment and Plant Design
Pressure drop due to pipe fittings can be estimated by the equation, ΔP/p = 4f.Le/D.V2/2gc, where, Le = equivalent length of straight pipeline which will incur the same frictional loss as the fitting and D = diameter of the fitting. The value of Le/D (dimensionless) for 45° elbow and 180° close return bends would be respectively around

45 and 75

180 and 300

5 and 10

300 and 500

45 and 75

180 and 300

5 and 10

300 and 500

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Process Equipment and Plant Design
Value of Peclet number = 0, is the representative of

Eddy diffusivity = 0

Plug flow

Complete back mixing

Laminar flow

Eddy diffusivity = 0

Plug flow

Complete back mixing

Laminar flow

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Process Equipment and Plant Design
With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will

Increase or decrease depending on the nature of the dust

Decrease

Increase

Remain unaffected

Increase or decrease depending on the nature of the dust

Decrease

Increase

Remain unaffected

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Process Equipment and Plant Design
The ratio of lateral strain to linear strain is termed as the

Shear modulus

Bulk modulus

Poisson's ratio

Modulus of elasticity

Shear modulus

Bulk modulus

Poisson's ratio

Modulus of elasticity

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Process Equipment and Plant Design
Fouling factor must be included in the calculation of over all design heat transfer coefficient, when the liquid

Containing suspended solids flows at high velocity

Is of high specific gravity

Containing suspended solids flows at low velocity

Is highly viscous

Containing suspended solids flows at high velocity

Is of high specific gravity

Containing suspended solids flows at low velocity

Is highly viscous

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Process Equipment and Plant Design
The LMTD correction factor (FT) is defined as the

Differenced of true temperature difference and the LMTD

Geometric mean of the true temperature difference and the LMTD

Ratio of true temperature difference to the LMTD

Ratio of LMTD to the true temperature difference

Differenced of true temperature difference and the LMTD

Geometric mean of the true temperature difference and the LMTD

Ratio of true temperature difference to the LMTD

Ratio of LMTD to the true temperature difference

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Process Equipment and Plant Design

Process Equipment and Plant Design Value of Peclet number = 0, is the representative of

Process Equipment and Plant Design With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will

Process Equipment and Plant Design The ratio of lateral strain to linear strain is termed as the

Process Equipment and Plant Design Fouling factor must be included in the calculation of over all design heat transfer coefficient, when the liquid

Process Equipment and Plant Design The LMTD correction factor (FT) is defined as the

Process Equipment and Plant Design
Value of Peclet number = 0, is the representative of

Process Equipment and Plant Design
With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will

Process Equipment and Plant Design
The ratio of lateral strain to linear strain is termed as the

Process Equipment and Plant Design
Fouling factor must be included in the calculation of over all design heat transfer coefficient, when the liquid

Process Equipment and Plant Design
The LMTD correction factor (FT) is defined as the