Question

A vane 20 cm long and 10 cm in diameter was pressed into soft marine clay at the bottom of a bore hole. Torque was applied gradually and failure occurred at 2000 kg/cm, the cohesion of the clay in kg/cm² is:

• A. 5/(π+7)
• B. 7/(π+6)
• C. 12/(π+7)
• D. 7/(π+12)

Answer 1

Answer:

C. 12/(π+7)