If static head is 25 ft and friction losses are 10 ft with no minor losses, what is the TDH in feet?

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Multiple Choice

If static head is 25 ft and friction losses are 10 ft with no minor losses, what is the TDH in feet?

Explanation:
Total Dynamic Head is the sum of the static head and all head losses in the system. The static head is the vertical lift required, which is 25 ft. Friction losses in the pipe are 10 ft. with no minor losses, there are no other losses to add. So TDH = 25 + 10 = 35 ft. The other options don’t fit because they would imply subtracting losses, adding unlisted losses, or ignoring friction entirely. The correct TDH is 35 ft.

Total Dynamic Head is the sum of the static head and all head losses in the system. The static head is the vertical lift required, which is 25 ft. Friction losses in the pipe are 10 ft. with no minor losses, there are no other losses to add. So TDH = 25 + 10 = 35 ft. The other options don’t fit because they would imply subtracting losses, adding unlisted losses, or ignoring friction entirely. The correct TDH is 35 ft.

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