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

300 and 500

180 and 300

45 and 75

5 and 10

300 and 500

180 and 300

45 and 75

5 and 10

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Process Equipment and Plant Design
Which of the following factors determine the amount of entrainment in a distillation column?

Vapour velocity in the volume between the plates

Plate spacing

Depth of liquid above the bubble cap slots

All of these

Vapour velocity in the volume between the plates

Plate spacing

Depth of liquid above the bubble cap slots

All of these

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Process Equipment and Plant Design
The distance between the centre of a rivet hole to the nearest edge of the plate is called

None of these

Back pitch

Pitch

Margin

None of these

Back pitch

Pitch

Margin

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Process Equipment and Plant Design
Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor.

35-40

30-35

15-20

43961

35-40

30-35

15-20

43961

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Process Equipment and Plant Design
Heat transfer co-efficient for a horizontal condenser as compared to a vertical condenser operating under similar conditions is

Same

About 3 times

About 0.33 times

Less

Same

About 3 times

About 0.33 times

Less

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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

Gas density

Gas viscosity

All of these

Fibre selection

Gas density

Gas viscosity

All of these

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Process Equipment and Plant Design

Process Equipment and Plant Design Which of the following factors determine the amount of entrainment in a distillation column?

Process Equipment and Plant Design The distance between the centre of a rivet hole to the nearest edge of the plate is called

Process Equipment and Plant Design Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor.

Process Equipment and Plant Design Heat transfer co-efficient for a horizontal condenser as compared to a vertical condenser operating under similar conditions is

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
Which of the following factors determine the amount of entrainment in a distillation column?

Process Equipment and Plant Design
The distance between the centre of a rivet hole to the nearest edge of the plate is called

Process Equipment and Plant Design
Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor.

Process Equipment and Plant Design
Heat transfer co-efficient for a horizontal condenser as compared to a vertical condenser operating under similar conditions is

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