An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by

Process Equipment and Plant Design
An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by

All of these

Decrease in gas solubility for absorbers

An increase in liquid viscosity

An increase in relatived volatility for rectification columns

All of these

Decrease in gas solubility for absorbers

An increase in liquid viscosity

An increase in relatived volatility for rectification columns

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

The minimum value of baffle spacing is 50 mm

The maximum value of baffle spacing is equal to the I.D. of the shell

The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these

Disk and doughnut baffle is the most commonly used baffle

The minimum value of baffle spacing is 50 mm

The maximum value of baffle spacing is equal to the I.D. of the shell

The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these

Disk and doughnut baffle is the most commonly used baffle

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Process Equipment and Plant Design
In a heat exchanger, shell side fluid velocity can be changed by changing the tube

Pitch

Both A & B

Layout

Neither A nor B

Pitch

Both A & B

Layout

Neither A nor B

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Process Equipment and Plant Design
Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate.

2

4

8

1/2

2

4

8

1/2

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Process Equipment and Plant Design
Spherical shaped pressure vessel is considered to be the most ideal, because it can

Be supported very easily

Withstand higher pressure for a given metallic shell thickness

Be fabricated very easily

Be designed without wind load considerations

Be supported very easily

Withstand higher pressure for a given metallic shell thickness

Be fabricated very easily

Be designed without wind load considerations

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Process Equipment and Plant Design
Baffle width is normally taken as __________ times the tank diameter.

0.45-0.6

0.1-0.12

0.2-0.45

0.4-0.5

0.45-0.6

0.1-0.12

0.2-0.45

0.4-0.5

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Process Equipment and Plant Design

Process Equipment and Plant Design An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by

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

Process Equipment and Plant Design In a heat exchanger, shell side fluid velocity can be changed by changing the tube

Process Equipment and Plant Design Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate.

Process Equipment and Plant Design Spherical shaped pressure vessel is considered to be the most ideal, because it can

Process Equipment and Plant Design Baffle width is normally taken as __________ times the tank diameter.

Process Equipment and Plant Design
An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by

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

Process Equipment and Plant Design
In a heat exchanger, shell side fluid velocity can be changed by changing the tube

Process Equipment and Plant Design
Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate.

Process Equipment and Plant Design
Spherical shaped pressure vessel is considered to be the most ideal, because it can

Process Equipment and Plant Design
Baffle width is normally taken as __________ times the tank diameter.