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Engineering :: Soil Mechanics and Foundations


91.  The consistency index is also known as relative consistency.
A. True B. False

92.  When the consistency index is zero, then the soil is at its
A. elastic limit B. plastic limit
C. liquid limit D. semi-solid state

93.  A soil is in a semi-solid state, if the consistency index is
A. zero B. one
C. more than unity D. none of these

94.  A soil with consistency equal to one is at its
A. liquid B. plastic

95.  Toughness index is the ratio of
A. flow index and plasticity index B. plasticity index and flow index
C. liquidity index and flow index D. flow index and liquidity index

96.  A sample of soil has liquid limit 45%, plastic limit 25%, shrinkage limit 17% and natural moisture content 30%. The consistency index of the soil is
A. 15?20 B. 13?20
C. 8?20 D. 5?20

97.  The shear strength of a soil in the plastic limit is
A. higher B. lower

98.  The liquid limit exists in
A. sandy soils B. gravel soils
C. silty soils D. clays

99.  The plastic limit exists in
A. sandy soils B. gravel soils
C. silty soils D. clays

100.  The liquid limit minus plastic limit is termed as
A. flow index B. plasticity index
C. shrinkage index D. liquidity index




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