1.

Assertion A: Loss of head at a sudden expansion of a pipe is larger than that at a sudden contraction.Reason R: Separation of flow occurs at sudden contractionsWhich of the following is correct?

A. A is false but R is true.
B. A is true but R is false.
C. Both A and R are true, but R is not a correct explanation of A.
D. Both A and R are true, and R is the correct explanation of A.
Answer» D. Both A and R are true, and R is the correct explanation of A.


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