No.
ofPrinted Pages:4 220744
Roll No.
4th Semn / Civil Engineering
Subject: Soil Mechanics &Foundation Engineering
Time:3 Hrs. M.M. : 60
SECTION-A
Note: Multiple choice questions. All questions are
compulsory (6x l=6)
Q.1 The fundamental cquation of Void ratio (e), Specific
gravity (G) Water content (w) and Degrcc of
saturation (S) is
a eFWGS b e-wG/S
c) G=ew/S d) S=ew/G
Q.2 Constant head permeability test is preferable when
soil sample is :
a) Sandy b) Clayey
c) Silty sand d) Sandy grovels
0.3 Effective stress is also known as
a) Principal stress b Pore pressure
c) Intergranular stress d) None ofthese
(1) 220744
Q.4 The ratio ofthcorctical lengthof recovered samplcto
the actual length of rccovered sample is called
a) Length ratio b
Recovery ratio
Arca ratio
d) None ofthese
os For-9=0, Nc valve accordingto Terzaghi is
a) 9.5
) 5.14
c) 5.7
d) S.52
0.6 Area ratio for soft sensitive clay soil i
a) <10% b >10%
c) <20 % d >20%
SECTION-B
Note: Objective/ Completion typc qucstions. All questions
arc compulsory. (6x1=6)
Q.7 A constant head permeameter is used
for graincd soils.
Q.8 Darcy's law is valid for turbulent flow. (True/False)
Q.9 A well graded soil has cocfficient of curvature
between
Q.10 direct shear test, the measurement of pore water
pressure is
Q.11 Unit ofpermcability expressed in
0.12 Quick condition does not occur in deposits.
(2) 220744
SECTION-C
Note: Short answer type questions.
qucstions out of ten questions, Allempl (8x4-32)
any cight
Q.13 Discuss the origin of
soils with reference to
geological cycle.
Q14 Establish relation
between void ratio and porosity.
Q.15 Explain quick sand
phenomenon.
Ql6 Dcfine coulomb's law?
Also
represcntation ofcolumb's law. draw diagramatic
Q.17 Dcfine arca ratio and
rccovery ratio. What is their
engincering importance?
Q.18 Calculate Void Ratio
and Porosity of a
Sample having water content of 40 saturated Soil
%.Take G=2.7
Q19 What is the
importance of cffective stress in
cngineering problems?
Q.20 Define compaction. What is
the difference betwecn
compaction and consolidation?
Q.21 Define well foundation.
Explain its neccssity.
0.22 Explain thc plate load
test to find out ultimate
bearing capacity of soils.
(3)
220744
SECTION-D
Note: Long answer typc qucstions. Atempt any two
questions out ofthrce qucstions. (2x8--16)
Q.23 Calculate the void ratio, porosity, degrce of
saturation of a given sample of soil ifit is having wet
density 2.1 gm/cc and dry density I.85 gm/cc Take
G=2.69
Q.24 Explain the standard proctor Test used for
determining the optimum Moisture content and
maximum dry density of soil under normal
compaction.
Q.25 Explain falling head perneability Methods with ncat
& clean diagram.
(3220) (4) 22074
Boluthoy 2. 6oMars
Sechon 4
2) 3) Rato
5) 5-7 a6)- 2ioo ) ) Coayse goaed Sorl ) tae
h) clotey garcl dechn-c
13 Drow.Gelo1cap for m
atori Drag an
By Defn ation = e=
Vð= Va+ Vw
V= Vat VutVs
e
e
same queotn
14) LAbedy Do Cwnd
I3) GNeml Wateo con+emt{ w)= Y0o
%peab guoviy (6)= 2?
el n.
K n that
We Knon fr
fr satv ated so)
S=|
9goee
foorn = es= W
e:
e |·0
|+08 ‘1=0-5L
e fomd athm
Pselrcatzon
quetm,
fom dahem, Pe of fondatton -Diagoorn
Mus go wtn +hese two est
Pl ate load tet tn Pg9m
) SpT tet wth
echon
(e: Wet Den sity = YeulK
G= 2:69
find= e, m&s
Blton
|te
2.64 X|
269-&S
|8Se o-84
=ezo 454>O
e
14e |4 045y o32
(G+ Se)Yw
9.1= 264 +(SX o 4 S = (Q69+ 0-4s4 S)
(9-\x usy )= 264+ 04SYS 4sove t |454
