State the correct answer (True or False) in your ANSWER BOOK along with the Ques

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State the correct answer (True or False) in your ANSWER BOOK along with the Question number Have all your answers for Question 1 at one place 1 The angle of internal friction of normally consolidated clay determined fromTF consolidated drained triaxial shear tests is higher in comparison to the angle of internal friction value determined from consolidated undrained tests without pore water pressure measurements. 2 | At liquid limit value the shear strength of silty clay (liquid limit-42%) is the same | Y | F as the shear strength of a clayey silt (liquid limit 25.5%) 3 The pore-water pressure can be either negative or positive in an over consolidatedT clay depending on the applied normal stress 4 The angle of internal friction of an expansive clay tested under residual conditionsTF is lower than the peak friction value 5 The undrained cohesion value, cu determined from an unconfined compression tes on a saturated clayey sample is approximately the same as the cu value determined from an unconsolidated undrained test. 6 Vane shear test can be used to determine the shear strength of soft saturated claysTF under drained loading conditions. 7 Direct shear test apparatus can be used for determining the effective shear strength T parameters, c , and d' of a saturated clay 8 The strength parameters have to be determined under consolidated drained loadingTF conditions to estimate the long term stability of a homogenous earth dam constructed using homogeneous clay 9 Sand typicaly liquefies when the hydraulic gradient reaches critical condition 10. A well graded sand has a lower angle of friction value compared to a gap gradedTF so1l

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Question No Answer 1 False 2 True 3 False 4 False 5 True 6 True 7 True 8 True 9 True 10 False

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