No.
of Printed Pages :4 180745
Roll No,
4th Sem. / CIVIL
Subject: Soil Mechanics &Foundation Engg.
Time:3 Hrs. M.M.: 100
SECTION-A
Note: Multiple type Ouestions. All Questions are
(10x|=10)
compulsory.
Q.1 "Talus"s the soil ransported by
a) Wind b) Water
d) Gravitational force
C) Glacier
Q.2 The fundamental relation between e,G,w and S is
a) E=wGS b) G=ew/S
c) eSFWG d) None
Q.3 Hydrometer analysis is appropriate for
a) Siltand Clay b) Sand and Gravel
C) Peat d) All soil
Q.4 The hydraulic gradient (i) is given by
a) hLA b) Lh
c) h/L d) None
Q.5 Effective stress is also knows as
a) Principle stress b) Pore pressure
c) Inter granular stress d) None
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Q.6 Effcctive stress is also knows as
a) Principal stress b) Pore pressure
c) Intergranular d None ofthese
Q.7 Vane shear test is used for
a) Sand b) Silt
c) Moderate clay d) Soft & Sensitive clay
Q.8 Core cutter method is suitable only for
a) Sand b) Soft cohesive soils
c) None ofthe above d) Alltypes of soils
Q.9 For ¢=0 case, Nc value according to Terzaghi is
a) 9.5 b 5.14
c) 5.7 d 5.52
Q.10 Areas-ratio should be
a) Less than 5% b) Less than 10%
More than 5% d) Morethan I0%
SECTION-B
Note: Objective type questions. All questions are
compulsory. (10x|=10)
Q.11 pioneered the concept ofSoilMechanics.
Q.12 The black cotton soil is an example of soil.
Q.13 For determining water content, temperature ofoven
is maintained at
Q.14 To determine coeflicient of permeability tests
are more accurate.
Q.15 Darcy's law is validfor type offlow.
O.16 Quick condition does not occur in deposits.
Q.17 The compression of saturated soil due to expulsion
ofwater is called
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0.18 In dircct shear test, the measurement of pore water
pressure is
0.19 Sheep foot rollers are suitable for compacting
soils.
0.20 Terzaghi's analysis is valid for foundation.
SECTION-C
Note: Short answer type questions. Attempt any twelve
questions out of fifteen questions. (12x5=60)
0.21 How soil is formed? Explain the process of physical
disintegration and chemical decomposition ofrocks.
Q.22 An fullyd l e d clayey sample has a volume of 185
cc of 33lg. If the specific gravity of soil
is 2.67, find out, (6) Void ratio (a) Porosity (ii) Water
content (iv) Unit weight (bulk).
Q.23 Write a note on plasticity chart.
Q.24 Define Darcy's law. What are its limitations?
Q.25 a) Define total stress, effective stress and neutral
stress acting on a soil mass
b) What is the importance of effective stress in
engineering problems?
Q.26 Explain the principle of consolidation with the help
of soil spring analogy.
Q.27 State the advantages and disadvantages of direct
shear test.
Q.28 Definc compaction. What is the difference between
ion and consolidation?
compaction
Q.29 Define Isobar and pressure bulb.
Q.30 Define area ratio and recovery ratio. What is their
engineering importance?
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Q.31 Define well foundation. Explain its nccessity.
Q.32 Define disturbed and undisturbed samples. State
their significance.
Q.33 Discuss the methods of improving bearing capacity
of soils.
Q.34 In a constant head permeameter. the following
observations were taken
Constant head=bem
Diameter oftest sample=10 cm
Quantity of water collected=350 ml
Duration ofthe test -270 sec.
Length of sample 1Ocm
Calculate the coefficient ofpermeability ofthe soil
Q.35 Calculate void ratio and porosity of a saturated soil
sample having water content of40% Take G=2.7.
SECTION-D
Note: Long answer type questions. Attempt any two
questions out of three questions. (2x10-20)
Q.36 (a) Giveconcept of shallow&deep foundation
(b) Explain types of shallow foundations with
diagram
Q.37 Explain the Standard Proctor Test used for
determining the optimum Moisture content and
maximum dry density of soil under normal
Compaction.
Q.38 Explain the plate load test to find out ultimate
bearing capacity of soils. State its limitations.
(2800) (4) 180745
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trne =(t)=2704ec
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sal ’ Jegoee of
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