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

180 and 300

5 and 10

300 and 500

45 and 75

180 and 300

5 and 10

300 and 500

45 and 75

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of a basket type evaporator.

There is no central downtake

The tube bundle is suspended on bracket

Downtake is formed by the annular space between the bundle and the shell

It is used for high viscosity liquor having large rate of scaling

There is no central downtake

The tube bundle is suspended on bracket

Downtake is formed by the annular space between the bundle and the shell

It is used for high viscosity liquor having large rate of scaling

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Process Equipment and Plant Design
Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.

1/2 and 5

1/8 and 1/64

1/2 and 8

1/64 and 1/8

1/2 and 5

1/8 and 1/64

1/2 and 8

1/64 and 1/8

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Process Equipment and Plant Design
Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter.

1/50th

1/10th

1/30th

1/20th

1/50th

1/10th

1/30th

1/20th

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Process Equipment and Plant Design
Removable connection of tubes to tube sheet is called

Socket

Saddle

Nipple

Ferrule

Socket

Saddle

Nipple

Ferrule

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Process Equipment and Plant Design
Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle?

Flat plate extending across the wall

Helical type baffle

Segmental baffle

Disk type baffle

Flat plate extending across the wall

Helical type baffle

Segmental baffle

Disk type baffle

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Process Equipment and Plant Design

Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a basket type evaporator.

Process Equipment and Plant Design Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.

Process Equipment and Plant Design Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter.

Process Equipment and Plant Design Removable connection of tubes to tube sheet is called

Process Equipment and Plant Design Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle?

Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of a basket type evaporator.

Process Equipment and Plant Design
Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.

Process Equipment and Plant Design
Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter.

Process Equipment and Plant Design
Removable connection of tubes to tube sheet is called

Process Equipment and Plant Design
Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle?