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UPSC Civil Service Exam Questions - Engineering

Q1:

A footing is resting on a fully saturated clayey strata. For checking the initial stability, shear parameters are used from which one of the following ?

A Consolidated non-drained test

B Unconsolidated drained test

C Unconsolidated non-drained test

D Unconsolidated non-drained test with pore pressure measurement

ANS:C - Unconsolidated non-drained test

I think option C is correct because, in the undrained conditions, we use total shear parameters not effective.