Physics · Fluid Mechanics
The discharge (Q) through a large rectangular orifice is given by which of the following formulas, where b is the width of the orifice, H1 is the height of the liquid above the top edge, H2 is the height of the liquid above the bottom edge, and Cd is the coefficient of discharge?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Q = (2/3) Cd · b √(2g) · (√H2 - √H1)
- 2Q = (8/15) Cd · b √(2g) · (H23/2 - H13/2)
- 3Q = (2/3) Cd · b √(2g) · (H23/2 - H13/2)✓
- 4Q = (4/3) Cd · b √(2g) · (H25/2 - H15/2)
Correct answer
Q = (2/3) Cd · b √(2g) · (H23/2 - H13/2)
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