In a shell and tube heat exchanger, the 'tube pitch' is defined as the _____________________?
Correct answer: C. Shortest centre to centre distance between adjacent tubes
- A. O.D. of the tube for square pitch
- B. Shortest distance between two adjacent tube holes
- C. Shortest centre to centre distance between adjacent tubes
- D. None of these
Explanation
Tube pitch is measured from the centre of one tube to the centre of the adjacent tube, using the shortest centre-to-centre distance. It is not the clear gap between tube walls.
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