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Hydraulics and Fluid Mechanics
Coefficient of contraction is the ratio of
actual velocity of jet at vena contracta to the theoretical velocity
loss of head in the orifice to the head of water available at the exit of the orifice
actual discharge through an orifice to the theoretical discharge
area of jet at vena contracta to the area of orifice
Correct Answer:
area of jet at vena contracta to the area of orifice
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