Physics · Fluid Mechanics
The head loss due to a sudden expansion in a pipe flow is given by which of the following expressions (where v1 is initial velocity, v2 is final velocity, and g is acceleration due to gravity)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(v1 - v2)2 / g
- 2(v1 - v2) / 2g
- 3(v12 - v22) / 2g
- 4(v1 - v2)2 / 2g✓
Correct answer
(v1 - v2)2 / 2g
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