Presence of tail-water in a gravity dam ____________________ – McqOptions

MCQOPTIONS

1.	Presence of tail-water in a gravity dam ____________________
A.	increases the principal stress and decreases the shear stress
B.	increases both the principal stress and the shear stress
C.	decreases the principal stress and increases the shear stress
D.	decreases both the principal stress and the shear stress
Answer» E.

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