Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is ___________________?
Correct answer: B. Less
- A. More
- B. Less
- C. Same
- D. Either A. or B.; depends upon the I.D. of the pipe
Explanation
For the same nominal pipe size, schedule 80 has a greater wall thickness and smaller internal diameter than schedule 40. Therefore, schedule 40 has the thinner wall.
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