Civil Engineering MCQAE Level Civil Engineering
For a sample of dry cohesionless soil with friction angle φ, the failure plane is inclined to the major principal plane by an angle equal to
Soil MechanicsSoil MechanicsMEDIUM
Choose the correct answer
A
φ
B
45°
C
45° + φ/2
D
45° − φ/2
Correct Answer
C. 45° + φ/2
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The failure plane is inclined at (45° + φ/2) to the major principal plane.
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This MCQ belongs to WBPSC AE Previous Years Questions Series. Full tests include timed attempts, rank comparison and subject-wise analysis.