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[Total Marks : 8O(3 Hours)

[1) Quesfion No. 1 is comPulsory'

(2) Atremts any three ftom -remainlng five questions'

(3) Figures to the right indicate the full marks'

(4) Assume any suitable data if not given and justify the same'

a;

C.l {A) Suggest shear test with drainage condition to be conducted to study the short term .c)v'.-\"

stability behavior of a siope made in saturated clay. Give compiete justiflcation for youq$

darswer. S(B) Lisi the field tests that are conducted during soit exploration at a site havi\FndY

.F ossTata. v"{C} Define Dro, Dso, and Deo, and then also explain their use' *3'

05

(D) Write a note on determination of in-situ permeability ,:)(j'' 05

e.Z {A} Vt'rite scope of Geotechnical Engineering iXdesiOn ot d""!#ation' Write five

coirts rYt{E) The in-situ unit weight of a medium to coarse sand used{+Y subgrade materialfor a

lignway was, 16 kN/m3. lt was decided to improve thats$ by mechanical stabilization'

Wten S.E kN of mixture of dry sand and silt was aOOqRb l m3 oi this subgrade material'

the volume was increased by 20%, How m,1$Yeuuction in porosity of soil was

achieved? Take G as2.67. "+"

10

(C) Write the use of flow net' . Cq " 05

3.3 (A) Deflne the following terms: ,(y{i) Liquid limit, plastic timit, shrinkrNffiit and piasticity index. 04

{lti Liquiciity lndex, consistency it(pux, and flow index' 03

itli)Toughness index, activpFda Sensitivitv' 03

B) Explain the primary rs$itioution by spring anatogy system' 05

(C) For two soils the $g}'is given as below. Classify the soit as per lS: 1498'

S p =qp)netained on 4.75 mm = 35o/o, C'c= 2'5' Gu = 7' LL = 15o/a and Pl =

gth' a9 - , - -^r.,-^4^r ^a,i

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Q 4 iA) A test @ri c.s m in diameter penetrates through a saturated aquifer 8 m thick

r.-cver.lyi;p{an impervious layer. A steady discharge of the well is 1872 m3lh1 The draw

c"*r$\*-, distance of R1 = 15 m from the centre of tast well is found to be 1'8 m' What

--b? the draw down at a distance of Rz = 50 m' if the permeability of soil is 3'8 x 104

S;=Z Estimate approximate drawdown at the test well atso' 10

i ,. -r ^L-... -rr a^^^^^-^r infnrmafinn nri if 05\\:- {B) Draw a bore log and show allnecessary information on it.

.?-- TTURN OVER-+L

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2 QP Gode I 3{{60(C)Write the assumptions made in derivation of Laplace Equation for seepage.

(A) Explain with diagram how to prevent the soil migration through graded soilfilters. 05

(B) By using data as given below deterrnlne the MDD and OMC. Vmouid = 1000 cc. 05

Observation No. 1 I J 4 E; 0

Water content (%) 8.7 1?.4 13.8 1s.6 184 20,2

Weight of vvet soil (gms) I qnc 2412 2Afr4 2434 1 992

maximum shear stress at failure is measured as 37.5 kPa, Draw Mohr's circle aQ&iure

and cietermine the magnitude and direction of principal stresses in the faiiure"q$. Whut

is the orientation of the plane of maximum shear stress at failure? $' 10

(A) The loading period for a new building continued frcm July 19€afo July 1967.

a

NvF:

Estimate the settlement in July 1975 if it was found that the averagd.settlement in July

1970 was 7 cm. t-rltimate settlenrent is expected to be 1OYm. For degree of

consolicjations 40%, 50% and 75o/o tfie c$.Jresponding vatue$time factor are 0.207,-x\

0.281, and 0.540 respectively. ,O 10x\-/

(B) Explain the efiect of surcharge and capillary rise opeffeciive pressure. 05

(C) Write the procedure to cjetermine the piastic timj!.*" 05.Q-\'

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-\.B: (1) euestionNo.l is compulsory" (3 Hours)

12) Attempt any three questions out of remaining five questions

(3) Assume suitable data wherever required and state it cleaily.'i't Figures to the right indicate full marks.

QPCode:31O34

(Total Marks: 80)

1. i a r Erp-ain the foilowing terms:

: Carr,v over factor and Distr-ibution tactor

r::'r Shape factor and loacl factor __\

::i; Relative stiffness and modified stiffness .1O'.V

:i t Flexibilify coefficient and stiffiress coefllciear f))vrl/, \ | Piastic hinge and rnechanism .,N,\)

i'b r Determine shape factor of diamond section of the beam as shoum kr$gure.

f\.r\-= I Vr

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-\' / d"srl De:eririne the degree of static and kinematigQ)"t"r*iruc1, of tJre follox.ing

::i.rlrres. Neglect axial d.eformation in 7{t1l1xat members anci inciicale joint.v::s:lacernent,

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2- (a) The members of a steel bent frame are subjected. to temperature variation as S6shown in fig. Determine-the vertical deflectjon at free end 'C' considering axialdeformation in member. Take depth of each member as 500' mm anda='!,2 x l0-6/"C. .T

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co-ordinates as shown in fig,

for prismatic

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b 2n t, arYl-S .,-'lAnalyse the beam loaded as shown ir fig. by ftsr$* of tluee moments. Drarr.BMD. , , cf

4o t=N ' ,9' /^\ ,l) /' 9^ Vil|.@ {?v*lm

3. (a) Analyse the beam loaded u, ,toS-,n fie. by Flexibiliry'method and drau,Bi\!]- 'L{i

OEN?a k*l*,

\-(l;) Analyse th{h}am loaded as sho*.n in fi.q b}, Stifmess rnethcd anC draiv ilVf;. I I\\

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1. (a) Anallse &e rigid joirted plae fro*e as shown fo fig,*", using stiffiress me{hod L2 *Co: by IrfDIuL AIso drarv SFD, BMD *nr] deflected shzp=.

^ S-

o# I*i-r,e s.'I atn I z^ @zm l': ;}tz+rrl | 2.'t \.-/ OfLn\ lm SS

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t\^'Ctbi Find the reactions A sqgports md draw BMD far a two hinged pffii" *.;, Oti'{y

ioaiaiashownmfigrre-

f, 1om tm5- (r) Caiqrate the plastic moment cffiJitrg *prgiryftqoi."a for tbe coutinpoas beam 0S

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*ith wo*ing load as shown in figue. .{9, t-=; --^..^dgsl*-.

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{a} J\nalfme the rigid jointed plare fr*mc es sbowa ia figsre, using Stope dCIfiecticn X'?

method. Atrso draw SllD, BMD a:rd c"iecl=C sl9Pgr

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v \\-/Using Force metho4 analyse the pin jointed plaue frane loadcd and sgqfrted as 08

r\'shornrr in fig1re. Take AE: Constant fcr all members-

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{4 Hours} (TotalMarks:80}

{1) QuestionNo I is compulsory. ^).-S(2) Attempt any &ree questions out of remaining questions. gr

(3)Assume suitabie data wherever required. ,Ay+*

v--'{4i Figures to &e right indicate full marks.

,

Q.1) It is proposed to construct a Post Offr.ce building in a town. The buiiding is (G+1) , p--

RC.C framed building. Following are the dirnensioiral requirements of various "ryS)Entrance & moving front space ----- 30m'. ;"'

Public Counters Fleight 1.6m.-1.8m & lVidlh 0.7m. - 0.9nAJPost Master's room -*--- l2m2 a*'S/orking area for staff ------*----- 28m2 C"Post sorting room ------- 30m2 .1tT , -,-- l a*a f't--/Treasury rocm ------- \2m2 .-\-Staffroorns (maielfemCe) ---*--* trzm2leadhi rIS

Provide Wate:: room, sa,titary u:dts, cloors & w'indcrvs, siair etc.{$ruitable sizes,

Drarv a) De.reloped plan of grounri flocr. ( t ---- 1 5 M.h\ T ino rian of first floor. =SJ ---- 05 M.u. Lu4v ylsrr vr

,q["Y,,l I Draw sectional view of the buiiCing piaru:eci in Q.No.l5((z" ---- 2A M.

f n\',Q ll a) Drarv foundaiion plan of ihe buililing pianled ip,QXo.f -----i0M.

b) Drarv site plan of the buiiding planr:ed fuQ.Nqq.lv -----i01v1.

, \-;Q -1; Drar.v'Iwo point perspective rvith the follo4frg details;- ---- 20M.

i) Size,rf Hall: 13 x i0m" .*2) Wall height (inciuding pzuapet)qf.2 rn

3) Plinth Fleigirtr 0.6m. .uAssune appropriate eYe ievej;*;Alsc assume suitable locaritt,& sizes of door, windows &enlrance steps.

v-'Q i) a) r,;nar is slun clearance?.Sllain the methods cf sium cieara:rce. ------10M.

-li ,i't rt is tr:r.\'n plamip$\&v it is rrecessan'? E:-piain ----05I"{'

.j n.fir.., "Master P{a{Ibxpiain how it is preparedl '----04lv1'

_(,,Q.6) \Vrite Notes on ffivings lAny four) -----20N4'

a; Green belt. - nJ b) Zoning.

"; eritt Envi.$rment. d) Massing & composition

e) Creen

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QP Code r 3{'l{9'(3 Hoors) [ Totrl M&rks I 80 . , ]Q,u.

Note: .i. 9,Nr 1 is compulsory. $"ii. Attempt any 3 out ofremaining. -b'iii. Suppon all theory and numerical uith oeal skerches. . ,.\rO-

l. a If the basic runway lenEh for an airport situated at elevation of 180 meter is tOO meter,Jff (Ol)the actual runrva; Iengrh reqr,ired if mean of arerage daily remperature and mean of maxdifrmdaily temperarurc is obrained as i60C and 42!C respecrivelv. Assurne the effeeivqd5oiientof 2olo on the runway. -\-\'b Calculate all the elements oF & tqmout sn B.G tack if N = 8.5, d = I3.3 crqqN angle of (08)switch is 10 8' 0". Assume any olher data ifJequir.d. ,. S(

'

c Draw Layout ofariificial harbour and explain purpose olieach component.{O (04)

2. s Explain various elements ofrailway iraek with fixtlres and iastenings. ,Ob Write I note on Dry docks. a\\'c Explain zoning lews for an airpon -\1"t'

3. a \\'ltat ae various air uaftic controi aids? Explain rnei, role in {J})y in aircrafi movements.b Explain consrruction ofnew railway iraek. . 9\-c Describe numbering and markings on runrvay. ^\

4. a t\hat would be the permissible spccd on curvc f f "pC*In.C

rack, average speed ofrrains is70 kmph aad allowable carr deticiency is half thalVmaximum canr deficiency.

b Describe special learL,res ofairpon d:ainage. ,-(-)-c Explain rvorking ofsemaphore signals ...rY^\l5. a What do you mean by Interlocking ofslg;al and points? llorv is it achieveJ?

b Explain various ractors affecting cappqir) ofan airport.c Exphin vc.rious Special Breakwatq,!

5. Write shon nole on (Any 4) \da1 tv,larshalling lard- _.*='b) Types ofsignats baseQ9rt locarionc) Theories of crecp_. o)"Q Turning radius o[ $flaircratl.e) Three conrolqOFircran.

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CBGS (3 Hours)

(1) question No.1 is compulsory

(2) Solve any thre€ qsestlons otthe remainirg questions .

{3} Assume suitable dbta if required.

{4} D'8W neal figu.es-

Answer any Fourout cfthe following.

QF Code: 3{O76

Max Marks :80

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al What arelhe methods of dimensional analysis and state re/elghs mg[S

b) Define and explain Reyrolds number and Mach number ,*Y''(,-

c) Define and cxplain the term jet propulsion ..--d) Draw and label the sketch of Francis Turbine , f

^\((JExplain working of hydraulic lift 1*

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what ls priming.and why it Is necessary -\y

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10q3) a) The pe rforma nElptsnillwav of a power project is to be studied by means of a model

constructed d_&'ale 1:9. NegledinB the viscous and surface lension effect, determine:v(i) Sie of flow irr the model for a prototype discharge oi 1000m3/s

(iiUp The dissipalion of energy in the prototr?s hydraulic jurnp, if the jump in ths

V\ model studies dissipaies 294.2 walts (0-4 metric horso power)<^\.'.V

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Lawn sprinkler has two nozzlet ofwater- The nozzles nre at distance of and 30 crn {rom the centre sftap, The rate of

water through tho iap is 100 The nozzle discharge wat€r in th€ downward

at which the sprinkler v/ill rotate lreedirections. Determine the

A 30 cm dia]lneter pipe unde: a head of 15 m wi.th. vek:eity of 4 m,/s. If the 10

a"tis of the pipe tums 450, fi:':d the magdtude and direction of resultant force at

re bend

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QP Code:3{O76a

b) The pressure diop 'Ap' in a pipe oi dinmeter D and len61h L deptnds ofl mass density 10

gand vis€osity f of the flowing ,luid, mean velocity of flow V and average height k of

roughness projections on the pipe surface .8"lp.AJ€t ofwaier having velocity ol30 m/s impinges on a series ofvanes moving with a 10 oii

velocily of 20mls. The jel m akes an angle of 300 to the direction of motion of vane when !"-entering and leaves at an angle o11200. Drawthe trianSles ofveloc,ties at inlet and out

^e\-and ;vfind, i) the an gle of vanes tiFs 50 thal water enters a nd leaves without sh ock ,. 9'ii) The work done per N of water entering lhe vanes iii) The efficlency.

,JtA turbine is to operat€ under a hend of ?oom at 2O0r,p.m tire cirscharge is s cumg5fthe f0efflciency ls 90%. Detennine the pedormance otthe tuibine under a head of 2\t'Write a shod note on OS 10i) Hydraulics intensiiicr .i\'iil Hydrarlic press

:'C-'^\

A4) a)

b)

As) al

b)

A6) a)

Describe the perforrnance character;stics o{ ccntrifugal pump. S.rq"

Two g*ometrically sinilar pumps are ruruing at san:e speeqf t000 rprn. Olle pump has 10

an impeller dinmeter of 0,30m and lifis u arer at the rate,pf" 20 litres's against a head of15m. Detee.nine the head ard impeilcr diameter of ;ly orher pump to deliver half the

discharge "9"b)

,{"1"A propeller reaction turbine of runner diameler$.Sm is rururing at 40 rpm. The guide

blade argle 3i inlsi is I450 and runaer bladeffuYc at outicr is 250 tc dre diection ofvale.?he axial flow area of water through .unpgh! :s m2. lf rhe rrlmrer blade angle at ir{et isradial dercrmine (i) Ilydraulic efiicieg:)'bf turbine (ii) Dischar8e through turbine (iii)power C*eloped by turbine a,ld (iv)$bcific speed of rhe turbi:re

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