Co-efficient of discharge () is defined as actual discharge/theoretical discharge and is equal to . ; where = Co-efficient of contraction and = co-efficient of velocity. of an orifice is usually about

Co-efficient of discharge () is defined as actual discharge/theoretica

1.	Co-efficient of discharge () is defined as actual discharge/theoretical discharge and is equal to . ; where = Co-efficient of contraction and = co-efficient of velocity. of an orifice is usually about
A.	0.42
B.	0.62
C.	0.82
D.	0.98
Answer» C. 0.82

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Co-efficient of discharge () is defined as actual discharge/theoretical discharge and is equal to . ; where = Co-efficient of contraction and = co-efficient of velocity. of an orifice is usually about

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