ies civil engineering paper 1 2003

8/15/2019 IES Civil Engineering Paper 1 2003

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CIVIL ENGINEERING IPAPER-I)

A w e s c a s on ~ d timber hlls • motstur•con tent of abouta. 15 lo20 b. iO to 12c, 5 to 85d 2 to 3o i>

Dry rot in timb er is caused bya. Lack of ventilauonb Latk of I ghtc Immersi on in waterd. Ahemate wet and dry a u n o s p h e r ~

Wood is rmpregnatcd wi th creosote oil inorder toa Change its colo urb. Protec t agmnst ~c. Protect tl1e rumular In) rsd Fi ll up the poresConside r tbe fo lio\\ mg sta tementsBricks are soake d In water before use in

\asonty workI to remo, •e dust2 to remo\•c ai r voids3.. so tha t they do not absorb \\'


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a. Ligltt weight mortarb. Fire resistant mortarc. Gauged mortard. \)laberresisbmt mo rtarIn order lo improve lhe worknb1lily ofharsh cement mortar wllich of thef o l lo \ ~ n gitems is/are ailded I

I. wnler2. Pla.-ter of Paris3, LimeSelect the correct an. Wer u ~ i n gthe codesgiYEmbelow .a. 1 onlyb. J and 2c. 3 onlyd. I and 3Bleecling of concrete leads of w.hlcll of d1efoll()Wli'S 'I

L Dry ing up )[ c:oncrete •UJ·face2. Foouation of pores i n s i d ~ 3. Segregation ase:instrenglhS.elecl tl1e cotrec l mU


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21.

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u. Uil w which stress is proponional tos1rain

b At which clongatJon takes placewilhoul applicntionllf addit1o•rdl load

c.. Up lo which 11 the loml i:. rcmctcd.original volumc and sh aped arcregaili1 rib ution lor u

r e c U I J J • L ~ n rsectiQn under lhe notlo.n ofshe a r ~three S is s hown below. 1 her>:c tangular secciun is ~ d Selecc t h ~correc1 s h ~ a r stress distribution fomt chetolluwing

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d.T o co-axial s p r i n g . ~nre • u~ c c d 10 nIoree o r 1 kN . '' ring c•lnstanl o f largerdiameter spring is 80 N/m 1 lnd lhnt ofsmaller d iamcccr 511fing is 120 N/mm. ' J11 edd b rmnho.n in the ~ p r i ng combinution wi llbe equal toa. Smmb. 15mmc. 12516 mmd 13517mm

Mmch List I (MeU()d of m ~y ; , i s )withLise II(IJnknown Being Evaluaccd and~e k c tchc oorrcct answerLis t IA Flexibility methodB. Stiffi1csSMethodC. K ~ n is methodD. Moment di$1rihucionmochudList 11I. Degreesof freedom2. Redundan t forces3 Rocations by incremcnttll itermion undunknownsways of plane frames4. Displacement rocations ;md owoy; or

ab.cd.

plane framesA B2 I3 ~2 4J

c4

I4

D323l

The principa l strains at a puinl uro + 800 -.1o


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d. Mlnimum load value of sheari ng. •b ~ a r i n gor karing fai lure

Tite radlu> of Mohr"s ci rCII.' is z ~ r owhenIhe stm.eof mess is such thatn. Shear >tress is zerob. There is pure shea rc.. "here is not shear stress but identtcnl

direct stresses il'( two tnutuall yperpendicu lar directionsd. There is LlO shear suess but equul direct

s tr.-sscs, opposi te in nmw·e, iu twomutually perplr'


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tvlatQb list I(End condjtions of Co lumn s)1 ~ i t hl, isl II(Efl'ec.tive Leng lb. I nnd se lectthe CO rrc:C l t t n ~ w c r.Li st 1A. Both ends fiXedB. Both ends h ngcdC. O ne end xe d . other free

D. CJnee nd fixed. o ther h ingedl , i , t III. I, = J. I2. I = 23. 1 l f i

· I, Iwhere I is Ute lenglh I, .. the effectiv"len,glh of th e co lumn )

h.c.tL

A B C2 4 1::; I 2

2 44

D24.

I2

A s y mm e t ri c a lp n r ~ bo li o l'l b or span I •ndrie s b ill hinged Jt bolb Ute s uppon; . Titarch carrie s o uniforml y distribut ed load ofWUnil len g th alon g the entir e lij>OO.Whic h om: o f dt e follnwing is c \V I 2 c. }./.; \Vd. 413 \\ htFr


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c. I und2tl 2and3Which of tl>e fo llnwine conditions ore tobe sa tisfied by an ideal plastk 'atcria l 'II. It should folio Hooke's lnw up to the

limit of propomonalil y.~ S uain s up to tl e str;Un harden ing m

t ~ n . si o n and cornpressi(>n nre 10 be thesame.3 The material propert y s hould be

different in ICII.SiL>nund c om pr c ~ si o n4 . The values o f yicltl stress m tension an

com1m:ssion sh(>uld be d i f f c r ~ m elec t the correc t answe r usmg t he t odes

g1veu beu>w :a land 2b . I and 4c. 2and3

d.2 .3a nd4

For a Jixcd beam sho' ·ahovc, il has beendecided to weld coverp lntes a t ends so thatmoment capaci ty doubles al the ends. Ifnmximum advan tage hru; lo he


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Ute IOilu unifom tly uistlibuted tood t•n t h ~beam is I0 MN/rn. the tksign shear forcelor h ~bcnm isa. S MNb 47 .5 MNc 7 5 MN

d. 43 MN

l'vhuQh Lis t I whh I ist II ond select t h ~correct answerU st lA Loss or pre- stress

End blliCkC. I ransmiSsion leng thD. r•nrt]a lly prc-stn:; scd SlmCturcsL i~ t

I Class 31 Predeter mined n1euth

IL 3 < I lb. 4 3 I ~c, J 4 1 Id. 4 3 2 IIn pre-tensioning p r o c e~ s •>f p r ~- s t r . : . < ; s i n g.the tendons nrca Bonded to Ute o n c r ~ t . :h Purtinlly bonded tothe concretec, Not bonded to the ctmcrete

II Gcnera ll} hondcd ll llt m c t i l l t C sremain tonboondcd to tllc concreteA rdnfurccd o n n c r ~ t ch (1(.1{whercd

ts thcdi )Jthof

the beam)A simply supponed RC beam carries UDLand is t-eferrcd Il l as beam II, A sim ilarhcam is pru-m esscd and camcs the s a m ~liD I as the beam \ . Thts beam is r c f c r ~ dto as beam 1.1.The mid-s pan dcncctlon ofbeam A w tll bea More than that of hcrun Bb Lcs.s ~ 1 n n~ t a lof beam 1J

. l he ;amc us that of )cam B

76

77.

78.

79


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The bending moment f or wl1ich the beamshown obo\'e is to he d e ~ i g ne l10n. 21) )k Nmb. 800 k:Nmc. 600 k.Nmcl 640 kNn 1/\ reinforced co ncre te beam is s ub jcc lod to

the follow ing bendin g mom ent• :Dead food 2() kNml,rve load 30 k.NmScismi.: load tOk.NrnTI1edes ign booding moment for limit sUitenf co Uu1 c is:c. 60 k.NmII 75 ~ N c. 12kN md. 81) kNmIn llle Lim it ; t;JtSSum ed to ben Lineo'lr1>. Non-lin"'"~ . Paraboliccl . Parabolic anJ r.:ctangulao·CoMi dcr (be following • wt c m t ~ \ 1 ;:l1utlur-t ..,iuforcod ooncru te n ~ xu r n lmemb ersI. nre dee1p

2 are stiller

3. con unde rgo large r ckll ee tionWhich of hese sta tements ish t·e oorrect '' ~ 2 ~ n d3

b . I nnd 2c. 2 onlycl I and 3l.ong term elnstic modulus m terms ofcreep c:oejflci"n t tl) an ' 2 . ~- d aycl:wacter i• tic stn:: nglh ( / ~ Jis given by

SUIXI.JT. ,0,

jl 1 I C \v - :l

b. soooo JJ:: .MP•I • 0

5000 / , . YIPc. L+ .Jii ' a

cl ¥. MPnA si mply suppor ted pos Ht1 1 Wncll pn;.stres cd conomore beam of span L is prestres•cd by a >traig hr tendon nt a uniJb rm

85.

86 .

81

10v l1 4eccentric .itv e below lhc eenl.roidal n.xis. 1(the m ~g n l iu de of pre;;lressing force is Pancl l lc ~ u r n lr i g i d it ~ f bCJJm ;, E l. thelll;txi mum t c otr:tl d cl]ect ion o f l h e b c ~• m ill

PoL'a downWilfd )Sill

bl'eL' I Is)

· 48 El upwanPeL'

c . downwards )8El

PoL1d . u p w llnls)

8ElMAttb Lis t 1 wub List II and •e lec t th ecorrect o nswer ·Lisr IA. ~ e n ~ c eabi litvA. Shear l,e y

C. Sluink.1geD. Conort:tespalliu gList l i

I Sliding'2. deflection3. Crutki ng4. t ooTQslon

A B-a b..:.

d.

I2

1

'2

3

••

3

2

...

D

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4

· os t o f req uir ed ma teria ls for co nstruction

has been esrim>ted by contractor and nnex iJ'11Cl llrereof indic.1tes Rs. 80.000 fOI'mondt·l , Rs. 1.'20.000 for month· 2,1.0(),()()() for monlh-3 and IU. 1,40.000 formonlh-.1. He has nJTonged wil h s uppliers lopay 4 0~ b ioruucdial el) on pu rd ta• e . 41l0 uo m: mouth lntc.r a nd bo hw ce 20 'b twom o n ~ 1s lat e r. Hjs payment toward.• cos t ofmaterial in mon lh-3 wi ll ex ceed that in1 1 1 1 1~ \ b ya. R .. 20.000b. Rs. 16 ,000c. R>. 12,tl00d. R• . 11.000The vihrblOnl are til led lb ra. Compa c1ing concreteh. l'mpc:rmixing ~ f c o n t ' T < > l ec.. Re moving excess wn lcr _r om co ncn: t cd. Obwinin g m o ot h~ u 1 i• ' - '

www.examrace.com


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88.

89.

90.

n t~ h List l( M aterial \.lse din [ndh idu:tlHat.. hing C>f Concrete) with l.is1ll(tolcrunec \'.1lcn Bn tch Weight E x ce e d .~3 0 ~ bof ScAle C' 'p11city) ~ n d sd cd theOO n e\.: l tiAAWC r :

L i~ t IA. Ccmcmt

s.w ~t c r

C. A g g r t g l tt ~D. AdmixturesLi • t uL ~ 0.3 o of sca le capa city2. L I I of ,.,...]c pac it)'3 L 2 °o of sc ale ca ciry~ . _ _ 3 ° u of sc a le c4 pac il) '

••b.c.d.

A B C

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W hid t olle of the fo llowing s ta t~ e n l s i•CO ITOO t 1

a . G r ule res istance i ~ pusit ive \ Vh ~ n th euni t lrnvel• do wn g rad e and neg at ivewhco t r~ v el li l \ 8upgrode.

b . G rad e . . ; .~ 1 JIC : Cdepends Oil u . ~ typ«o f eq uipm ent or th e b a u ls u c f . lc ~ t3Jld isin odditio.n to ro lling res i•tonce

c. Gnod re>


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c. Ove:J:head gantry craned. Derric craneA cer(am cc,mcreting job can be starte


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,,, Both A un ci R nrc ll\le Md R ; . thecorrect explanation of A

b . Both A and R are 1rue but R s NU 'J'U 1 ~c o n· "xplnnntion of A

.:. A true but R ~ fnbcd, A is fa lse bu t R is tru eAs•eotio n (A) A n y

pr•c tica l y be ~ u i h to th etlteoretica l •J\:11.

O>Ch C.1nnOI

• hal) e u t' the

Rc.solt (R) . The s hopo of h ~ lhooNticaJ:l c h is llfl'eoted by loods moving on iLil Bmh A : ~ n e tR nrt: tnu; mttl R i H1t:

L'(lrrcct eJq>lan•ticm •> Ah. Both A u nd R are lrue but R is NU'l'

U1e r r ~~ x p a D Jt o n of Ac. A is true but R is liolocd . A is fn lo sible ·to build • perfectly o ~ i a U ylo•d•dcol umn in practice .a. Bo th A Md R ore true and R ls th e

eoorect x pl ~ n Mi o nof Ab . Botl1 t •nd R 3ro true but R i.s NOT

the eonect explu t;l(ion Q f \c. A is lnte b 1 ~R L f:llsed . A is f ~ l s ehut R is lrne

119 . Assertio n (A) : t •nder wod;:in.g loads, i n are-iuforc.ed c.oncJ e[e beam tbe lever arm••c : ~ i n . sunchange

Rc;••o n (R) . As d1 e bending n•umcnlincreo. A on

ies civil engineering paper 1 2003

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