USN

1f p,- cv

Fourth semester B.E. Degree Examination, June / JuIy z0l4.,r., Goncrete Technology ,.,1

'..{a:,.'n }tiE::,..",i$,t'ffirye:3 hrs. Nrf ov r\rf orL, tv,aii n

-#* Note: l. Answer FIVE full questions, selecting ;.#. tt:..\ at least TWO questions from each part ..a*, ,,,,,.,,,,.o€i()r

E n.+.o 2. Use of 13-10262-2009 is permitted. ,:: : .* """' "' ' ^ "' ::stlhqE

{ I a' Expldi$ manufacturing proces, oftffiToin by wet and dry p ; (using flow chart

H :n'yt. (10 Marks)

* X b. Explain any two tests on cement in detail. ito nlart<gaJxbp: -l6=o;5 2 a Whaf ic crarlin,\r.iS -^^*^-^+^q D,...r^:- :+^ ^:^-:c-- l.'.-%- .g: 2 a' what is gradin8#.*gg..gute? Explain its significrrpq;iift" improving the properties off"? L .":l:ltt:. ^-, ,

-*'', - . ,..r.: (05Marks)

ry + b' What are flakiness and el,o4gation index? Explain tt4ir effects on properties of concrete.'Es]av r .^r^:,- 1 , (05Marks)E qa c. Explain impact and abrasion,#x*pn coarse a$Sgate. (10 Marks);n, --:--

E E 3 a. Explain measurement of workability ofqon*,. uring,'fr A i) ComPaction factor method.

; E , :) vee-bee consistometer metrrffi,,t'. (10 Marks)t 51 b. Explain manufacture ofconcre& i4detail.- !

r^r.*rerevlurv \ "'-.,1 { :i (10 Marks)

(do ;;

$! 4 a' what is the role of adryixtures in concrete? Menfion any three chemical and mineralF 5 admixtures : (05 Marks)E € I |Iplrl, factors affectiug.the workability of concrete by *rsing admixtures. (r0 Marks)5 r c. Explain the role of fly ash as a admixtuie. ' ,u (05 Marks)5!+E PART_B5 d 5 a. Explain"fa.cf.grs affecting strength of concrete . ..:1,,, ... ..1, (10 Marks)

e fr b. t.i,1"i+l#l;."irtr**fl, ana slprt tensile strength rests on concrete. .,..,,,,t ,* (10 Marks)iO a r,?htE e! J

.tr

EE 6 a'.'Plllutl briefly the relationship between modulus of elasticity und.o.piess[ve strength ofg.f concrete

.FE u, F "

Ilrrrin the method of measurement of creep of concrete. -'';

ffill3E * c. Explain factors affecting creep of concrete.

iOS efu.r.riB9Xo: ; 7 a. oefi19 durability of concrete and explain its significance. (05 Marks)Oj/ r r: : b' Explain the effects of freezing and thawing onih" durability ofconcrete. (or *rri.i ,_

_N:: c' What is sulphate attackon concrete? Explain methods of controlling it. 1to tuart<sytzE 8 a. Explain the concept of concrete mix design. (05 Marks)_sE b' Explain the procedure of concrete mix design using I.S.code. (10 Marks)g c. nxplain different variables in proportioninf of conirete. (05 Marks)

t0cY42

1OMAT41USN

respectively. (07 Marks)c. State and prove Cauchy's integral formula and hence generalized Cauchy's integral formula.

(07 Marks)I of2

IOMAT41

5 a. obtainthesolutionoftheequation *.-Yr+*+*f.'-+)y=0. (06Marks)' dx' dx \ 4)'

,,,r;,,,r b "",:l_::;H:;:,ril.ffilI'sdirrerentiarequation, ,07_-

., ,

'1.:- r. State Rodrigue's formula for Legendre polynomials and obtain the expression for P from

- r {"

f:'p,1xya*. {t*.u*' (07 Marks)J +\ '-l ::q,q*,"

" h6 a. Two faifdtery".are rolled. If the sum of the numbers obtained is 4, fifit[ flhe probability that thenumbers btryad on both the dice are even.

, .'," ,. (06 Marks)

1_l-b. Given that r@$El =;, P(AnB; =;=P(AnB):. Pd&e that A and B are neither

,,.,,.,. i:

independent nor mu disjoint. Also compute P(A/BJ=: flWR; and P(A / B) + P(B / A) .

x \'% (07 Marks)c. Three machines Mr, Mz e#,4-Ml produces iderticdl-items. Of their respective outputs 5Yo,

4oh and3o/o of items are faultyrOn a certain$+3r, Mr has produced 25%o of the total output,Mz has produced 30o/o and Mr tli'e.t"emaqd$ An item selected at random is found to befaulty. What are the chances that if"r?"agJgfficed by the machine with the highest output?

..,i"';"" 1 107 Marks)

7 a. In a quiz contest of answering'rYus' or 'Nd"nliwfrat is the probability of guessing atleast 6

answers correctly out of 10 queffiions asked? ftlqq, find the probability of the same if there^-^ i ^^+;^^- c-- ^ aa*aat ;-.;;^* ^: .nt rr^-r-^\are 4 options for a correct er. ' (07 Marks)

I !n -

b. Def,rne exponential djsttWution and obtain the @p and standard deviation of the.r '1exponential di

PART _ B

*****

exponentul dmtnbu[tt{p. fi,; (07 Marks)c. If X is a normalr*{fid6te with mean 30 and standard der}idiop 5, find the probabilities that

(i) 26 < X < 4&Mi,) X> 4s, (iii) lx * 301 > 5. [Give that 0S#]:0.2881, 0(2.0) :0.4772,

O(3.0):0:p8ryb(1.0; : 0.34131 ryl1 , (06 Marks)

a. Certa4m6es manufactured by a company have mean life time ;fl..8pQ. hrs and standardde.$iaiion of 60 hrs. Find the probability that a random sample of 16 t$bes-taken from the

Bi6,up will have a mean life time (i) between 790 hrs and 810 hrs, (ii) tdss than 785 hrs,

N{iii) more than 820 hrs. tO(0.67) :0.2486,0(1) : 0.34!3,0(1.33) : 0.40321. '. *,{06 Marks)

='E" A set of five similar coins is tossed 320 times and the result is:No. ofheads: 0 I 2 J 4 5

Frequencv: 6 27 72 tt2 7t 32

" .;, ;= Test the hypothesis that the data follow a binomial distribution. [Given that ryfror(5) = 11.07Jff

' ' ij:"'-'': '(07 Marks)*" .

c. It is required to test whether the proportion of smokers among students is less than thatamong the lectures. Among 60 randomly picked students, 2 werc smokers. Among 17

randomly picked lecturers, 5 were smokers. What would be your conclusion? (ol Marks)

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MATDIP4OlUSN

I of2

MATDIP4Ol

/ r\6 a. Find Laplace Transform if tn and hence find Ll t' | . (06 Marks)tt

b. Find L[e" cos3t + e-' sin 2t + tsin t] . (07 Marks)J.i- *. q\'

*sq .* [e'

(cos 3t - cos t)-l .

" .ry*" c. Find Ll - '-"""' """'' | . (07$qftg'{ffiLt.l *q'n w'- ,';t:)z#5'ffi&i"al-[sint sin2t tt"]'r,

A zt 1 **"" ouMarks)

It o<t<l "q"*-ffi* l' v\!i^ ,,""

b. riii*gp<t)l where f(t) = ] t | <t<2. q\. (07 Marks)

& lt' t>z u!'w"s Jv-I{ L \#* #w Lt- t>z fl\"\. f ",;iffi,'l q* $*i "{N_".

c. Findur{;@lL-V%J

##

\* se&, 'q.

* (07 Marks)

( 2", - osY#- ]8 a. Findr't@

-kd-^\

\&d \1

W# (10 Marks)LD vD , t to "9{$.* . #}_* *

b. Solve by Laplace transforma,fim*. ?ffiffy = 4e-3', given y(0) = 0,y'(0) = -1.'*?*-,tr

2 of2

l0cv43USN

Fourth Semester B.B. Degree Examination, June/July 2Ol4

Structural Analysis - I

.,,;Time: 3 hrs. ax- Markstlqrgl:'tr11',. Note: Answer FIVEfull questions, selecting 4-::"1i"'

% at least TWO questions from each part.

* =,u

*

dj . PART-A r*:'\;€ t arupirrerentiate between' , , , L- -1._--L---.-- #*=tl*$ \$"]peterminate and indeterminate structures i- *

E(ii)"Degreeofredundancyanddegreeoffreedom

E at l** .==P^ BohN.n

E (ll1 ll,*{Fgree or reounuarruy aru uegrsc ur rrt;t;(tuur 1rg (iii) Yiclear structure and non-linear structuro ,,.= '::

Hfr::

.,1@ggree

ffipar r13 r' : Deifran" and deformation (10 Marks)H (tv) Iormattonii b. Determine the:ptrain energy stored in a member when it is sBb{eeted to an axial load and

$C strain energy rtoigA in beam subjected to bending moment.,Qs6**tandard notations.8.E r-ui" 1+ (10 Marks)wlwg i '-,". 1", t

(ru rvrarKs,

A f 2 a. Find the maximum rW q"9 deflection for the beam shown in Fig.Q2(a) using moment areaE ? 2 a. Find the *u*i*un ii@_3rra deflection for the bearnsh$Wn in Fig.Q2(a) using moment areaoo ll

.E ? method. Take EI: 10.ii;'ffiftkNm2. ";'4 (10 Marks)

.E A *e'r'a + frorrrlrn +

eC ^ ! ^b

E.E Fig.e2(a) ,;- '-. Fie.e2(b)eHH ii b. Find the slope and deflection ffi&ffe_.i1.9++cantilever beam shown in Fig.Q2(b) usingE f b. Frnd the slope and detlectton %;ftee end.ol*,,,*:!antrlever Deam snown m rlg.qz(D., usrng

i t conjugate beam method. Takd'EI :2.5x10'kN4. (10 Marks):$E:fJ

F b 3 a. Determine the deflectia&fttf a simply supported behm*pwn in Fig.Q3(a) at midspan using

E E strain energy method.$rike EI: :rrb4 kN#. t* *o (10 Marks)

BE J€E tEB o' o W;5 ---*---+==--q ffig E . s*,* Fig.e3(a) rie.Q3(u;F E b. ffi"*nine the deflection for a simply supported beam shown in Fig.Q3(blH E -. **r* Fig.Q3(a) Fie.Q3(U

_

F'E b. ffi"*nine the deflection for a simply supported beam shown in Fig.Q3(b)' d_er the point

a E e-drd by strain energy method. Take E : 200x 106 kN/m2 and I : 25xl0a m4." ' .1-?"#0 Marks)>f : -

-- -' -J - eJ ,";Es;, v.;d,d!F

=(t$ fi - , . I a. Analyse the fixed beam shown in Fig.Q4(a) by strain energy method. Also draw B.M.b:'- .,,.'i ;' (10 Marksi; a (ru lvrarKs,O { r9Btr--.:$i . tr2EulmE n' e A bZ " Et aco$e^ffit ; lU c.Z I atn J an .l 'k- 'tm *-g Fie.Q4(a) Fie.Qa@)

b. Analyse the fixed beam shown in Fig.Q4(b) by strain energy method. Also draw B.M.D.(10 Marks)

Ef r corrg.En\

I of2

5a.

&,*,.. .

;idg...._ .,.,..,,r,,..,0r,b.

'' u,,**

10cv43

PART _ B

A three hinged symmetrical arch of span 20 m, hinges are provided at supports and crown ofthe arch. The rise at crown is 5 m and arch is subjected to a point load of 200 kN at 6 m fromthe left support. Find the reactions at supports and calculate normal thrust and radial shear at6 m from left support. Draw the bending moment diagram and also indicate the position oi'maximum positive and negative bending moment. (10 Mar[gA cable is supported on piers at 80 m apart at the same level has a central 4mr6f 8 m.

Calculate maximum tension in the cable, when it is subjected to UDL ofl, S kN/mrout the length. Also determine the vertical force on pier, if the back stay is inclinedto the vertical when (i) the cable passes over a pully, (ii) the cpble passes over a

$h * (10 Marks)

6a. \"r; /e qL

Analyse ff,mropped cantilever beam shown in Fig.Q6(a), ufficbnsistant deformationmethod, if @ut B sinks by 10 mm. Take EI :40000 kN" '?'{'{lso draw the BMD and

i2ot5rl tgohNB o{ :J $ U*

-'*hFig.Q6(a) "n \ ffi"- Fig.e6(b)*.{_}* *

b. Analyse the fixed beam shown in ,-Fjdmrc) using consistent deformation method. Draw theBMD and SFD. (lo Marks)

* t'+' ' si:':

"k/

Analyse the continuous beamStrfrvn in Fig.Q7 usingdhee moment equation and draw bendingmoment diagram and sheadq=ide diagram. Also indicaie thB.position of maximum positive andnegative bending mompffithe span AB and BC. '# *"". (20 Marks)

I (10 Marks)

I 'IZOHl.l-a

t a"n I a'-t I 'a"tt ;!

Nl* r'

rr".o7 I |

:

''&$* Fig'Q7 tr

:i:::::::::=: q d :

a'"-," '-' 1

8 .. A'two hinsed oarabolic arch of soan24 m and rise 3 m is uniformlv loaded over the'8 + H'two hinged parabolic arch of span24 m and rise 3 m is uniformly loaded over the hfr half of.-U-" - - -^ -- -.

.", :* the span with 30 kN/m and a concentrated load of 70 kN at the crown. Determine the hb al.. ; r* thrust assuming secant variation for moment of inertia. (20 Marffi)-Q \ .

T,'::::i'+ **{<** .:}.+*...+.itw

tat = const .\t

Fig.Q7

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\

USN t0cv44

Fourth Semester B.E. Degree Examination, June/July 2014Surveying - Il

*{-*Time:3 hrs. Max. Marks:100i1,,."r;1r.. 11_ "

i3""a'* "

*.@-|i, Note: 7. Answer any FIVEfull questions, selecting l**,, %

"*?,, stleast TWO questionsfrom eachpart. f '?qr

.g fl%." 2. Assume missing data suitably. ==..r.",,'*6 : , rr--^-.. --^^t -r-^t^l- ^^(B ,,d.e,. 3. Draw neat sketches. t +.r-'!aah(d

- ^ --E ' d{ PART-A r'.,,

€ 1 a. ExpH"ih$&r.q following tenns: ''''. "'''"'O'\'r,t,E t) Fac'b{d"and face right observatir:rs ,,".,o1'',, I

. E ii) Traniif,anrl non transit theodolites (04 Marks)I ' -^.^^i+ +L^^.J^lir ^^a : ii) Transittditd,non transit theodolites"

:,:,1,.,, ,,., (04 Marks)

$= b. With neat skerch-and tabular column explain measurement of horizontal angle by reiterationX-9'=E B method. (10 Marks)

straight il'i; a trreoaoute in adjustl"eil"Hi.i0.1, theodolite not in adjustnrent. (06 Marks).-I

E i'r

H ; 2 a. What is spire test? With neat sketoh, explain how it is carried. (10 Marks)

E ; b. A dumpy level was set up atL1, exartlv rnidway between A and B which are 50m apart. The

E E readings on the staff when held on A and B were respectively 2.40m and t.40m. The

A A instrument was then shifted and ser u1, at point L2 on the iine AB produced at 10m from A.

; .: The readings on the staff hcld at A and B were respectively 2.5m and 1.40m. Determine the

H t staff readings on A and B to give a horizontal,line of sight. Determine the R.L. of B, if that

; ; of A is 200.0m. (lo Marks)

. E If thete'ad

f E Hne# sig

E ! or A rs zuu'um'

$E 3 a. What is a total station? List out the a<ivantages oftotil station.E I L T- E-^) Lt- ^ - t- --- L:- -- -f rr-^ r^-- -t - r.:rr - n-- -.-m -c ^---

t--.&, F 3 a. What ts atotal statton'/ Ltstl0Ut the aovantages ot-tdtal statron. (06Marks)

; € b. To find the elevation ofthe top of elit\ a flag staff of 4m height was erected with its top at

€ € Q. Observations were rnade from t,r,rc stations M and N, 60rn apart and not in line with Q.

A g The angles of elevation to the top of the flag staff from sffi6,ns,M and N were measured as

E ; 10o50' and 11o28' respectively. T'he hor"izontal angle measurcd$:M between N and the top

f fr of the flag staffwas 56o30'arC thrt !,r,rrsured at N between M and the top of the flag posto.v{"6^ d was 62'*'04.:'t4.9 * "^. ..

i 'rr :r'i:".vas 62o10'.f tk#k'aaing on B.M. with an elevatron of 400.0m when the instrurwt*;rvas at M and theireof sight was horizontal is 1.785rn, determine the elevation of the t4 ofjhe hilL If the

H € *.-,$dff readlng on the ts.M. When the mstrument was at N, was l.7g4rfldetgrmme th

E * 4 .;. Derive the expressions flor distance errd elevation when the staff is held vertical ari4., ,line

H H . of sight is inclined. tos MarkslE : , , L A a^^L^^- ^L^-- ---^^ ^^, -,-^ ^)" ^+--+:^-- A ^-^) rl^^ f^ tl^---:-^^ -^^):-- ^Lr^i.^^-I ^a, i; A - b. A tacheometer was set up at station A ard the following readings were obtained on at, { vertically held staff:YWr ltw@Ily llvlu Da4Il.

;^ @l v"'t!qe,efsJc-2 I I B.M. | -2" 18' | 3.22s,3.ss, 3.87s I RL of B.M. :

IE I a I I I | 437.655m IE lffi-"E Calculate the horizontal distancr: liom A to B and the R.L. of B if the constants of the

Station Staff station Vertical a

AB.M. -27q',

B + go36'

1e Cross-hair readinss in m Remarks3 .225 , 3 .55, 3.87 5 RL ofB.M. :

437.655m1.650, 2.515,3.380

instrument were K: 100 and C :0.4. (12 Marks)

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t0cY44

(06 Marks)5a.b. What do you mean by degree of curvei' Derive the relation between degree and radius of a

simple curve based on chord definition. (05 Marks)

Two tangents intersect at chainage li9 ; ti0, the deflection angle being 50o30'. Calculate tfu.

,r...rrui! data for setting out a curvc; of 15 chains radius to connect the two tangents-i&fi.ft

intended to set out the.,i*. by offsers iiom chord produced. Take peg interval eqqa{frliltOO

links, length of chain being equal to 20m (100 links). ;,,ry-"tu$t

-^.c^- +^ ^ ^nffih^rrilrl ..rr^re rrrhinh heqrc fn the riohf' l'"'',,t',,.'u]o-lTlk-., following data refer to a compoLtt'rd curve which bears to the right: . ",1

- , ''

Tqdtdeflection angle 93o ;t\e,

Degf'#f fust curve:4o n. w

o"greltf.s*cond curve : 5o i'-''' "'..". t, tPoint of irsbiseption at 45 + 61 (20m '"rnits). .'t r*'Determine ii;.)om units the runrring distance of the taqe*\trpoints and the point ofcompound curvaryre, given that the iatter point is 6 + 2}SQtrrthe point of intersection at a

back angle of 290"351.from the first tapgent. ;+, - (10 Marks)

b. Two straight AB and""eD intersect at \r. BD is thetoffion tangent of length 200m. It isproposedio introduce a reverse clrille 0r)nsisting of two arcs of equal radii between them.

(10 Marks)

rllrh.'i' l v l ,gtu*E' I ital F ::'{\ | vm1*tt ltl

-)- I qtaEI oP lztaE

F'A{{.T - BWith neat sketches, explain different types of curves.

6 lgo

{ r{aI

tq0

Fig.Q.8(a)

2 of3

The angles ABD and CDB aro 150o30' s',..d 43"42'respectively. Calculate:

i) The common radius;ii) The chainage of P.C., P.R.C, and P.T.'if that of B is9245-2m-

7 a. What is a transition curve? Discuss the purpose of introducing transition curve between a

straight and a simple curve. (06 Marks)

b. What is a vertical curve? With sketch briefly explail different types of vertical curves.

, ..,i (05 Marks)

c. A transition curve is requi$ed for a circular curve of 200m radius, the gauge being [.5m and

maximum super eleva{ion restricted to iScen. The trar,sition is to be designed for a velocitysuch that no lateralpressure is impr,or.'ui oil tite rails and the rate of gain of radial acceleration

is 30cm/sec3, calculate the required lengrh of the transition;eid;e and the design tr?ifr""u,"' ' 'tt "''"

't!\; '

r..'!':- !.-rt q-"4'";q

a. Plot the "following cross-staff SUrv.r) of a field ABCDEFG =ffi46alcu1ate its areas.:al"'RefcrPiA.Q.S(a). ii%f (05 Marks)

25d F

,::: ::::'

'ri&lt,J ,.

l/i"',,:,:,,"

t0cY44

b. The following observations were made with a planimeter:

Sl.No .r\r'ea I.R. F.R. NI Knowrr area of 60cm' 2.326 8.286 0

2 Unknown area 8.286 s.220 +lrr{=h1" The anchor point was placed outside 'che figure in both the cases with the same setting.'S#=@''

L - L ^,1 - t- L' - :\ rl, - -----la:-^7:^-- -^-^^L^-^a. ::\ Tl^^ --.^l-.^^- zn< **A-ri-r

d-" The anchor point was placed outside 'che figure in both the cases with the same setting6#.@'

,'--,*t tracing arm. Calculate: i) the multiplier constant; ii) The unknown area. (05it{arks)......*;.; * i.'..q

*dc^The following areas within the contour lines at the site of a reservoir aqd, -ffi of thel*) u#"'et*ipqoposal dam are as follows: ffiE**qt*; *'f/gr#qu

4. !Qog1qi11 I tuea enclosed in sqm I hh -

de'.\*. I loom i tooo | ru

\d.,r*, l---.-:j::- | ::";"x; I fF

118 m as the water level, calculatethe reservoir. Use trapezoidal and

(10 Marks)

{i t} *:* *

q,*'! !1,

-.: rl

l33rn i 12800-ro6in l- t66oo

3 of3

Fourthii'tll"

,1,,Time:3 hrs.

""''".''t ..-

': -::

,,. ,rrrr)rir:,..-;

b.c.

PART. Aii) Prototype iii)

:='t-'&nttd*

Model,ffitVsis

10cv45

iv) Hydraulic(06 Marks)

USN

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qd

q)

doLE9bo-

-

-ooll.s?.E 6J(d!f,

ETol-co

Ee

aj

bU

EoE6(il5>e,G6t!(3hts5t9=q5-tritoj;5vdS.)ati

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tsoq

Semester B.E. Degree Examination, June / July 2014Hydraulics and Hydraulic Machines B,*

Max. M"rk.,#.

't'-':''Note: l. Answer any FIVE full questions, selecting .^,"{5,,""''atleast TWO questions from each parl '

2. Missing data if any may be suitably assume&,. "",

at'" .*i) ,na. Define thdderus : i) Model

b. State and explaiqiBttckingham n - theorem citing an exosrple. Also explain its advantagesover Rayleigh's method of dimensional analysis. ,,,,.r.,,

\ (06 Marks)c. A pipe of diameter l.8m is required to transport an ol1of sp.gr 0.8 and viscosity 0.04 poise

at the rate of 4mtls. Testg were conducted on,a*?0cm diameter pipe using water at 200C.Find velocity and rate of flow in,130et. Visco&il{lif water at200C is 0.01 poise. (08 Marks)

a. Differentiate between : D HviKtr rrl;iio hydraulic mean depth ii) Steady anduniform flow iii) Altemate de;*ifr'ana conjugate depth iv) Open channel flow andpipe flow. r (06 Marks)

b. Prove that for a trapezoidal channel ofmost economical section :

i) Half of top width : lengttr"of one of sloping$hes ii) Hydraulic mean depth = /, depthof flow. (o6 Marksl

llr r[. .,:,, . J* (UO Marks)Expfu,ia blassification of surface profiles in open channels with neat rtd@s. (08 Marks)ffi specific energy for 6m wide rectangular channel is to be 5 kg - "/kd

ifihe rate of flow

:' :::' !r

Derive aa.e@ation for gradually varied flow in open channels. Ako state assumptions madein it. 1 'r' "' n*l'' w /06 Marks)m tt. ,,',- (06 Marks)

r/kg. i$*tre rate of floweeTr,tof water through channel is24m3ls, determine alternate depths ofchannel. ',*ry*[ou Marks)

4".

,,,,,,,,,,,n,,',:::,. -f''ll,

'a. Explain impulse momentum principle and mention its applications. (0tgdark9b. Show that maximum efficiency of jet striking on series of flat vanes mounted on prBffiery

of a wheel never exceeds 50olo. (08 Marki)c. A 50mm diameter jet having a velocity of 25m/s, strikes a flat plate, the normal of which ig,i.,..,

inclined at 300 to axis ofjet. Calculate the normal force exerted on plate i) when plate isstationary ii) when plate is moving with a velocity of 10m/s in the direction ofjet. Findwork done and efficiency when plate is moving. (10 Marks)

PART. Ba. Explain the concept of velocity triangles. Also obtain an expression for work done per

second by jet striking unsymmetrical moving vane tangentially at one end of the tips.

r of 2 (10 Marks)

10cv45

b. A jet of water moving at 20m/s impinges on a symmetrical curved vane so shaped to deflectthe jet through 1200. If the vane is moving atSm/s,find the angle of the jet so that there is no

.j . shock at inlet. Also determine the absolute velocity ofjet at exit in magnitude and direclig,'' 6r*.., and the work done. (10 v.lnffi'

t":@., a. Differentiate between : i) Impulse and Reaction turbine ii) Radial and Axial no#hriUine

iii) Kaplan and Propellor turbine. ,.".. @3 Marks):t-....;

b.=ffiqw that maximum hydraulic efficiency of Pelton wheel is equal ," 1ll;ry*s''in which $:t' ?t-

diameter of *i.eG#*d the quantity of water required. ,tnrru*. co-eff of velocity as 0.98and speed ratio as O.ffi_, ffi (10 Marks)

*,'7 a. Explain different types of dud&tutes with neat*gk$hes. Also explain their functions.

:,,.. i ., ne\.:,:, .. (04 Marks)b. Draw neat sketch of Kaplan turbir€ qqd exptain its different parts. (06 Marks)c. A Kaplan turbine produces 60,000{$ffiundbr a net head of 25m with an overall efficiency of

90Yo.Tak,rng the value of speed tuti"ffi f.5, flow ratio as 0.5 and hub diameter as 0.35 timesthe outer diameter, find diametet Sebd bf turbine. (10 Marks)

-

B::t.;':"t * *'"q,

a. Explain the following : r)flE$uction head " /i) Delivery head iii) Static headiv) Manometric head. I

' (06 Marks)

canix*W equal to zero for increasing efficiency. (07 Marks)c. A Pelffiffiheel has to be designed for following data : Power to*be$veloped ; 6000 kW....,, "dlrh - t4{6 \'

Net head,-dfailable : 300m ; Speed : 550 r.p.m. Ratio".,jf-',iet diameter to wheel-. l* { .

diameter : $"*; and overall efficiency : 85Yo. Find nuqfueT tof jets ; diameter of jet ;l0 ip

lv) Manometnc neac. *trullj (tl6l\{arks)b. Derive an expression ffiMinimum speed for startiffi a centrifugal pump. (06 Marks)c. A centrifugai pump,Uaving outer diameter equal to trvo"tinces thi inner diameter and running

SCgainst a total head of 40m. The vrilocffi of flow thro.ugh the impellerual to 2.5m/s. The vanes are set back at am ansle of 400 at outlet. If the

at 1000 r.p.mis constantouter di

ilial to 2.5m/s. The vanes are setback ad*arqpgle of 400 it outlet. If thethe impeller is 500mm and width at outlet is Sflfu determine :

le at ininlet ii) Work done by impeller on water iii)il',-, iii) tTo_T.fi::aaa" "a:::..

(08 Marks)

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10cv46USN

Fourth Semester B.E. Degree Examination, June/July 2014

.,.,,i,,,,,,, Building Planning and Drawing ,{,r,a

;Max. MarkS:"fOOi '

4 hrs' Note: l. sECTroN-r is compulsory and answer ,*-s{'1r

u "'"." any TWofull quesfionsfrom SECTIhN-II- ,* l" -'''d '"."" any TWOfull quesfiootfirr* SECTION-II. *.l""ll'-'9 ": 'j a Assume suitable dota wherever necessarv. 'i-"',,t"l

"'

E L. llJJUIIae SUaaUUae UUaU WrueI€VCI ltvCvrourJ.

q,EtH SECTION-I (Compalsory)! 1 The line diagram of a residential building is given in Fig.Ql. Draw te4 scale of 1:100.t

.. g b. Front elevation (15 Marks)?? o -.;-

$= c. Section along A-A (15 Marks)

; t d. Schedule of openimg* (05 Marks)

E fi Note: All load bealiag,walls are 230 mm thick and.partition walls are 115 mm thick. All:'+ walls are in BBM of CM 1:6. The foundation is made of SSM in CM 1:6. The depth of the

E + foundation is 1.2 m below gtound level. The t4ikkness of plinth bed is 150 mm, thickness ofE ry RCC 150 mm. the clear heighGffie roof fromffor level is 3.1 m, and lintel are provided atE 6 2.1m. ,r'*EEoB igA o'laI

b6OEootr

>€266-Ed5o)6 .lJ

EO=c90tro-=doi.^avo:toqti

IE {i.,' 1 4x+ lo{4,-))) i ;j,ryg \^'z l,i =V- ./'

IJc{

E Fig.QlE Wr:1.2mx1.5m Wz:I.2mx1.2m W::.1.5mx1.2m Wd,:12mx0.75mE Ws:1.2mx 1.5m Vr:1.0mx0.6m Yz:0.4mx0.6m Dr:l2mx2.lm.E Dz: 1.0 m x 2.1 m Dr :0.9 m x 2.1 m

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.k)_, ' l-D,DrtlNc ! I BEDRooM+x+ f--_J I 4x4

r0cv46

SECTION.II2 a. Draw cross section of a S.S. Masonry foundation to be provided for a load bearing wall of

230 mm thick brick wall. Use following data:

i) Width of foundation: 1.2 miii) width of P.c.c. : 1.2 m

ii) Depth of foundation: 1.5 miv) Thickness of P.C.C. : CM 1:3:6: 100 mmlt"

,,f.a,

4

a.

b.

[:

*ri<**r.

v) Width ofplinth beam:0.45 m vi) Thickness ofpli!')r,*r. Y ) YY lulrl Ur yuulu uw4ur v.TJ ur 't - " " ^----^ :1.,. ,1r

t:;,,.{ ,- vir) Height oiplinth above ground level0.6 m excluding the thickness of plinth beam. !.;'.,,:"',: ,,',(IO ilIa,:,'' (IO,ilIarks)

bubble diagram and develop a line diagram for a primary heahh centre to a

ile. The primary health centre should consists of =, i:,t,

D nec'a$$rn ir) D,octor's car*Sultation room

iir) Lady @gr's room iv) Minor opEf{tibn theatrevi) Div) Nurse roofrq""]r, vl) DtsPq

vii) Store room ''{i viii) L@ri:::rtr,ix) Toilets for ladies@gents separately. .:,:, . '" (20 Marks)

dPrepare a bubble diagram fq?.lh office building and draw a single line diagram to a suitable

scaie for the followirg t"q,il#6dpt.. ' yi) Reception " ,,rl;ii) Exbcfrtion office chambers - 2 Nos

iii) Office staffroom '\ i6tl Record room

v) Small meeting hall ,, .,ffi6ilets for ladies and gents separately. (20 Marks)

t.The line diagram of a residentiaflbuilding is s[tbriln in Fig.Qs. Prepare:

Water supply layout """..,,h

Electricaiiayout. ,"*,ft,r"''' t (20 Marks)

,*dfffr=

Fig.QsAssume suitable dimensions for doors and windows.

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