1.

The partial differential of normal stress in y-direction in terms of effective stress is given by __________

A. ( frac{ _z{ }}{ z} )
B. ( frac{ _z{ }}{ z}- _w frac{ h}{ z} )
C. ( frac{ _z{ }}{ z}+ _w frac{ h}{ z} )
D. ( frac{ _z{ }}{ z}* _w frac{ h}{ z} )
Answer» D. ( frac{ _z{ }}{ z}* _w frac{ h}{ z} )


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