For high pressure process equipments/vessels, the connected nozzle should be

Process Equipment and Plant Design
For high pressure process equipments/vessels, the connected nozzle should be

Welded

Screwed

Flanged

Brazed

Welded

Screwed

Flanged

Brazed

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Process Equipment and Plant Design
In the case of a shell and tube heat exchanger, the logarithmic mean temperature difference

Is always more than arithmetic mean value and the geometric mean value

Is always less than arithmetic mean value, but more than geometric mean value

May be either more or less than geometric mean and arithmetic mean value depending upon whether the flow of stream is co-current or counter-current

Is always less than arithmetic average value

Is always more than arithmetic mean value and the geometric mean value

Is always less than arithmetic mean value, but more than geometric mean value

May be either more or less than geometric mean and arithmetic mean value depending upon whether the flow of stream is co-current or counter-current

Is always less than arithmetic average value

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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.

15-20

35-40

43961

30-35

15-20

35-40

43961

30-35

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Process Equipment and Plant Design
The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles?

To increase the residence time of shell side fluid

To reduce the induced vibration in the tubes

To provide support to the tube bundle

To increase the tube side heat transfer co-efficient by inducing turbulence

To increase the residence time of shell side fluid

To reduce the induced vibration in the tubes

To provide support to the tube bundle

To increase the tube side heat transfer co-efficient by inducing turbulence

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of the bubble cap tray of a distillation column to give stable operation and even vapour distribution.

Tendency towards stable operation is increased by increasing the skirt clearance of the caps, lowering the rate of liquid flow per unit plate width or increasing the spacing between the caps

The pressure drop due to the caps & slots and the static submergence should be as high as practicable for reasonable operation

None of these

The dimensionless ratio of liquid gradient to pressure drop head caused by the bubble cap assembly should be less than 0.4

Tendency towards stable operation is increased by increasing the skirt clearance of the caps, lowering the rate of liquid flow per unit plate width or increasing the spacing between the caps

The pressure drop due to the caps & slots and the static submergence should be as high as practicable for reasonable operation

None of these

The dimensionless ratio of liquid gradient to pressure drop head caused by the bubble cap assembly should be less than 0.4

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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.

4

8

1/2

2

4

8

1/2

2

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Process Equipment and Plant Design

Process Equipment and Plant Design For high pressure process equipments/vessels, the connected nozzle should be

Process Equipment and Plant Design In the case of a shell and tube heat exchanger, the logarithmic mean temperature difference

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 The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles?

Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of the bubble cap tray of a distillation column to give stable operation and even vapour distribution.

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
For high pressure process equipments/vessels, the connected nozzle should be

Process Equipment and Plant Design
In the case of a shell and tube heat exchanger, the logarithmic mean temperature difference

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
The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles?

Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of the bubble cap tray of a distillation column to give stable operation and even vapour distribution.

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.