The fluid jet discharging from a 2" diameter orifice has a diameter of 1.75" at its vena-contracta. The co-efficient of contraction is

The fluid jet discharging from a 2" diameter orifice has a diameter of

1.	The fluid jet discharging from a 2" diameter orifice has a diameter of 1.75" at its vena-contracta. The co-efficient of contraction is
A.	1.3
B.	0.766
C.	0.87
D.	none of these
Answer» C. 0.87

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The fluid jet discharging from a 2" diameter orifice has a diameter of 1.75" at its vena-contracta. The co-efficient of contraction is

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