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)

Correct Answer :   tan² (45° + φ)

Recently Updated in Soil Mechanics Questions
The property of a soil which allows it to be deformed rapidly without rupture, elastic rebound and also a volume change, is known______.
A)
ductility
B)
porosity
C)
permeability
D)
plasticity

Correct Answer : Option (D) :   plasticity

During seepage through a soil, direction of seepage is always_______.
A)
perpendicular to stream lines
B)
parallel to equipotential lines
C)
perpendicular to equipotential lines
D)
None of the above

Correct Answer : Option (C) :   perpendicular to equipotential lines

The ratio of the weight of water to the weight of solids in a given mass of soil, is known_______.
A)
porosity
B)
water content
C)
void ratio
D)
specific gravity

Correct Answer : Option (B) :   water content

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