Width and depth of grooves in the tube sheet holes normally are _______________ inch respectively?
Correct answer: A. 1/8 and 1/64
- A. 1/8 and 1/64
- B. 1/64 and 1/8
- C. 1/2 and 8
- D. 1/2 and 5
Explanation
The usual tube-sheet hole groove dimensions are about 1/8 inch in width and 1/64 inch in depth. The groove is shallow because it is used for tube expansion or sealing rather than as a deep channel.
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