Soil and Foundation Engineering, Question Paper of Civil Engineering 4th Semester, Download Question Paper 2

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SOIL AND FOUNDATION ENGG.

4^th Exam /Civil/5109/Dec’10

                                                 2004-06 syllabus     

Duration 3 Hrs.

1.     Fill in the blanks

a.     Aeolin deposits are formed by ______

b.     The water which cannot be removed by oven drying at 150 ˚C to 110˚ C is ________

c.      The pies having one or more bulbs are called ___

d.     For purely cohesive soils, the angle of shearing resistance is ______

e.      The ratio of D₆₀ to D₁₀ is called _____

State true of false

a.     Black cotton soils have high baring capacity

b.     The plasticity index of sand is zero.

c.      Darcy’s law is valid for turbulent flow.

d.     Due to lowering of water table, settlement increases.

e.      A block sample is a disturbed sample.

Choose the correct one

a.     Plasticity index of clay soil is

a.     0  

b.     <7

c.      Between 7 and 17

d.     Greater than 17

b.     The value of k in constant head permeability test is

a.     QA/Lht

b.     Qh/Alt

c.      QL/Aht

d.     Qt/Ahl

c.      The maximum size of plate for plate load test is

a.     30 cm²

b.     45 cm²

c.      60 cm²

d.     75  cm²

d.     Which is not engineering property of soil?

a.     Shear strength

b.     Compressibility

c.      Permeability

d.     Grain size

e.      Area ratio should be

a.     Less than 5 %

b.     More than 5%

c.      Less than 10%

d.     More than 10%

Section – B

Note : Attempt any ten questions:

2.       

a.     Explain the term ‘Soil Profile’

b.     Prove e.s.= WG

c.      Write a note on Index properties

d.     Explain limitations of Darcy’s law.

e.      Differentiate between compaction and consolidation

f.       Define relative density.

g.     What is differential settlement?

h.     Explain particle size distribution curve.

i.       Explain three drainage conditions for performing shear test.

j.       What is importance of neutral stresses?

k.     Differentiate between laminar flow and turbulent flow.

l.       What are under – reamed piles?

Section –C

Note : Attempt any three questions

3.       

a.      Define pile. Give the necessity of pile foundations.;

b.     Give the classification of piles according to (i) function of pile and (ii) method of installation.

4.       

a.     What is the practical utility of compaction test

b.     Explain the sand replacement method for checking the dry density of soil in the field.

5.      

a.     Define swelling and creep

b.     Explain the process of consolidation with the help of soil spring analogy.

c.      Define ‘Tilt’

6.       

a.     Define coefficient of permeability

b.     Explain falling head permeability test in detail

c.      What is seepage velocity