While deriving an expression for loss of head due to a sudden expansion in a pipe, in addition to the continuity and impulse-momentum equations, one of the following assumptions is made :

Head lost in eddies is neglected

Head loss due to friction is equal to the head loss in eddying motion

The mean pressure in eddying fluid is equal to the downstream pressure

The mean pressure in eddying fluid is equal to the upstream pressure

While deriving an expression for loss of head due to a sudden expansio

1.	While deriving an expression for loss of head due to a sudden expansion in a pipe, in addition to the continuity and impulse-momentum equations, one of the following assumptions is made :
A.	Head loss due to friction is equal to the head loss in eddying motion
B.	The mean pressure in eddying fluid is equal to the downstream pressure
C.	The mean pressure in eddying fluid is equal to the upstream pressure
D.	Head lost in eddies is neglected
Answer» D. Head lost in eddies is neglected

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While deriving an expression for loss of head due to a sudden expansion in a pipe, in addition to the continuity and impulse-momentum equations, one of the following assumptions is made :

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