Civil Engineering MCQAE Level Civil Engineering
A venturimeter usually has a higher coefficient of discharge than an orifice meter mainly because:
Fluid MechanicsFluid Mechanics and HydraulicsHARD
Choose the correct answer
A
it eliminates all friction
B
it recovers pressure gradually in the diverging cone
C
it has a sharper edge
D
it has no throat
Correct Answer
B. it recovers pressure gradually in the diverging cone
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The gradual converging-diverging passage reduces separation and recovers pressure better, giving a higher Cd, commonly about 0.98.
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