Overall distillation column efficiency for most of the refinery columns can be given by (for μ = 0.07 - 1.4 cp and relative volatility < 4) (where η = overall column efficiency, % μ = molal average viscosity of feed at average column temperature and pressure, cp Δp = pressure drop per tray, psi)

Process Equipment and Plant Design
Overall distillation column efficiency for most of the refinery columns can be given by (for μ = 0.07 - 1.4 cp and relative volatility < 4) (where η = overall column efficiency, % μ = molal average viscosity of feed at average column temperature and pressure, cp Δp = pressure drop per tray, psi)

Η = 1.66 - 0.25 log μ

Η = 17 - 61.1 log μ

Η = 24.6 (Δp/μ)

Η = 0.25 log μ - 1.67

Η = 1.66 - 0.25 log μ

Η = 17 - 61.1 log μ

Η = 24.6 (Δp/μ)

Η = 0.25 log μ - 1.67

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

None of these

Modulus of elasticity

Modulus of rigidity

Bulk modulus

None of these

Modulus of elasticity

Modulus of rigidity

Bulk modulus

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Process Equipment and Plant Design
In the design of a bag filter, the gas temperature is an important consideration, as it affects the

Fibre selection

All of these

Gas density

Gas viscosity

Fibre selection

All of these

Gas density

Gas viscosity

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Process Equipment and Plant Design
In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter.

1.25-1.50 times

2.5 times

Less than

One-fourth of

1.25-1.50 times

2.5 times

Less than

One-fourth of

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to shell and tube heat exchanger.

Tie rods are fixed at one end in the tube sheet by making blind holes and the minimum number of tie rods is 4 with at least 10 mm diameter

Baffles are supported independently of the tubes by tie rods and positioned by spacers

Bracket supports are used for horizontal shell, while saddle support is used for vertical shell

Clearance between shell & baffles and between tube & baffles should be minimum to avoid by-passing of the fluid, but it should be enough to permit the removal of tube bundle

Tie rods are fixed at one end in the tube sheet by making blind holes and the minimum number of tie rods is 4 with at least 10 mm diameter

Baffles are supported independently of the tubes by tie rods and positioned by spacers

Bracket supports are used for horizontal shell, while saddle support is used for vertical shell

Clearance between shell & baffles and between tube & baffles should be minimum to avoid by-passing of the fluid, but it should be enough to permit the removal of tube bundle

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Process Equipment and Plant Design
In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D₁ and D₂ are I.D. of inner and outer pipes)

(D₂² - D₁²)/D₁²

None of these

D₂ - D₁

(D₂² - D₁²)/D₂²

(D₂² - D₁²)/D₁²

None of these

D₂ - D₁

(D₂² - D₁²)/D₂²

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Process Equipment and Plant Design

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

Process Equipment and Plant Design In the design of a bag filter, the gas temperature is an important consideration, as it affects the

Process Equipment and Plant Design In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter.

Process Equipment and Plant Design Pick out the wrong statement pertaining to shell and tube heat exchanger.

Process Equipment and Plant Design In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D₁ and D₂ are I.D. of inner and outer pipes)

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

Process Equipment and Plant Design
In the design of a bag filter, the gas temperature is an important consideration, as it affects the

Process Equipment and Plant Design
In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter.

Process Equipment and Plant Design
Pick out the wrong statement pertaining to shell and tube heat exchanger.

Process Equipment and Plant Design
In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D₁ and D₂ are I.D. of inner and outer pipes)