In case of a trapezoidal notch fall – McqOptions

MCQOPTIONS

1.	In case of a trapezoidal notch fall
A.	Top length of the piers should not be less than their thickness
B.	Splay upstream from the notch section is 45°
C.	Splay downstream from the notch section is 22½°
D.	All the above
Answer» E.

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