The passive earth pressure of a soil, is proportional to (where φ is – McqOptions

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1.	The passive earth pressure of a soil, is proportional to (where φ is the angle of internal friction of the soil.)
A.	tan (45° - φ)
B.	tan (45° + φ)
C.	tan² (45° - φ
D.	tan² (45° + φ)
Answer» E.

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