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Civil Engineering - GATE Exam Questions - Discussion

Discussion Forum : GATE Exam Questions - Section 5 (Q.No. 22)
GATE Exam Questions
22.
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 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
Head lost in eddies is neglected
Answer: Option
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