A stepped notch is – McqOptions

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1.	A stepped notch is
A.	A notch of varying shapes along the line of flow
B.	A combination of triangular notches of different sizes
C.	A combination of rectangular notches of different sizes
D.	Semi-elliptical in section
E.	A combination of triangular and a circular section
Answer» D. Semi-elliptical in section

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