What is the co-efficient of contraction, if a fluid jet discharging from a
50 mm diameter orifice has a 40 mm diameter at its vena-contracta?
(A) 0.64
(B) 1.65
(C) 0.32
(D) 0.94
50 mm diameter orifice has a 40 mm diameter at its vena-contracta?
(A) 0.64
(B) 1.65
(C) 0.32
(D) 0.94