Process Equipment and Plant Design
In which of the following evaporators, steam is fed inside the tube while the liquor is outside the tube?

Short tube vertical evaporator
Long tube vertical evaporator
None of these
Horizontal tube evaporator

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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 reduce the induced vibration in the tubes
To provide support to the tube bundle
To increase the residence time of shell side fluid
To increase the tube side heat transfer co-efficient by inducing turbulence

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