Presence of tail water in a gravity dam_____________?_x005F_x000D_1) i – McqOptions

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1.	Presence of tail water in a gravity dam_____________?_x005F_x000D_1) increases the principal stress_x005F_x000D_2) decreases the principal stress_x005F_x000D_3) increases the shear stress_x005F_x000D_4) decreases the shear stress_x005F_x000D_The correct answer is
A.	(1) and (3)
B.	(1) and (4)
C.	(2) and (3)
D.	(2) and (4)
Answer» E.

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