Soil Mechanics - Soil Mechanics multiple choice questions and answers

41. Single-sheet pile coffer dams are suitable upto a height of

   A.5 m

   B.10 m

   C.15 m

   D.More than 15 m

42. The seismic refraction methods cannot be used if the wave velocity in the lower layer is ........... that in the upper layer

   A.Greater than

   B.Less than

   C.More than four times

   D.More than thrice

43. For diesel engines, the ratio of foundation mass to engine mass is

   A.Less than 2.0

   B.Between 2.0 and 3.0

   C.Between 3.0 and 4.0

   D.Greater than 4.0

44. Vaccum well points are generally used for draining

   A.Coarse sands

   B.Fines sands and silly sands

   C.Silts

   D.Clays

45. An isobar is a curve which

   A.Joins points of equal horizontal stress

   B.Joins points of equal vertical stress

   C.Joins points of zero vertical stress

   D.joins points of maximum vertical stress

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