Mathematics · Fluid Mechanics Calculations
During the calibration of a rectangular suppressed weir in a laboratory channel of width 40 cm, the volumetric discharge passing over the weir was found to be 0.025 m3/s under a head of 0.1 m. Taking the standard discharge formula for a suppressed weir as Q = 23 Cd L √2g H3/2 and g = 9.81 m/s2, what is the coefficient of discharge (Cd) of the weir?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Cd = 0.75
- 2Cd = 0.66✓
- 3Cd = 0.89
- 4Cd = 0.92
Correct answer
Cd = 0.66
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