Sie - GRR GOVERNMENT OF INDIA : : 3fetfkar FEBHTET DEPARTMENT OF SPACE. DIAN SPACE RESEARCH ORGANISATION weher caer sister Se ar, arePerrer } SATISH DHAWAN SPACE CENTRE SHAR, SRIHARIKOTA : aercirhr were (fafea goiterah) 2017 se oe srt Sy fafa wher Written Test for Recruitment to the post of Technical Assistant (Civil Engineering) 2017 ‘ter gear i ) a Technical Assistant (Civil Engineering) wage les Post Code No. LE ‘rr April 08,2018 eT \sinhicaad efter 1 Sunday) | | SET = ‘BAe / Time + | 143080 Hrs, #0 1600 58 Hrs. a D [rey wher & ara ered | | gg hes | Test Duration (Minutes) weet wo No.of Questions i aa es Gor ete aa) 1 No.of Pages (Other | + | 18 than cover sheet) cod Wee kent 1. weer a athe Greer we AB) aaa seat a a area ar apps far oreo ‘The question paper is in the form of test booklet. All candidates will be assessed on identical questions. 2. sere Reh ey aah avait ate re WA A ANT Soe Swe; aherNT she TUNA TE “area we Hace Fa er tee dey se A afer she a arweT AY eT aT _wt ae dat fre ar-az ae eat iy via a TA / A separate OMR answer sheet with carbon impression copy is provided to all candidates for answering. After completion of the test, the carbon impression of the OMR sheet will be detached and handed over to candidate by the invigilator which should be carefully retained by the candidate lor all future reletence,se weet seer i SATISHE DHAWAN SPACE CENTRE SHAR | GFT aaah agrees (fSfaer goiferaftar) / TECHNICAL ASSISTANT | D (CIVILENGINEERING) | 1 vena ar by arerat Go) A atarg $y orien A och 8 ‘The width of carriageway for a single lane is recommended to be @ 753m © 653m (© 375a/m @ 554m afte & ast aq want GAA A ae A aT ewe at gate Par AT cafe Nominal mixes may be used with permission of engineer charge for grades of concrete of (@) M10 31 2r/M10 orlower () Mi51 #37/ M15 orlower (© M20™1 H/ M20 orlower (6) M2521 #HT/M25 orlower eat ema a sae AR ETA ae een aera —___ ftw ft em Under transient wind load the lateral sway at the top of RCC structure shall not exceed (@) Hyso0 ©) H/250 (© H/400 @ 25mm (ret 11a A Seg & / where His the height ofthe structure) eM aureetet ater A oreker ore saeT wear Per omen Ba ter A ares —— sift eit 81 Iman RCC beam side face reinforcement is provided if depth ofthe web exceeds @) 300 / mm (©) 500 et / mm (© 700% / mm (@ 750 / mm 3 Post Code No. UsAnn aaah wera (FARR gaAeIaPeT) / TECHNICAL ASSISTANT CIVIL ENGINEERING) aR Path caret ant aper eat Rigait se meet gta &, ct eT GT Ifa material's properties are identical atall points, tis said to be (@) BAHAY /Homogenous (0) AREA / Isotropic (o) WEITER / Blastic @) FT /Ductile fea 8 8 oe a ara ate aT Out ofthe following which isthe unit of strain? (@) #eERE No unit © Nmm © N/mm (N/mm ew ata Ry wer ot ae Fe & atte gt ote wt aati wer aa B, RT aTAT FI ‘Abeam which s fixed on one end and simply supported on other end iscalled (a) Baee Barier Mar / Simply supported beam () Stag syptectere / Propped cantilever (©) Hetata MA / Continuous beam (@) frre ater / Fixed beam 1 ore —_ & aa 1 Pascalis equal to (@)1N/sqm (® 1N/sqem ( 1kg/sqmm (9 1N/sqmm 4 ost Lode No. us10. 1. [ao irae ate ecomisimwncreoR] ge | he [eater aeeAta Tera (FARIA SaArealea) / TECHNICAL ASSISTANT D _ _ (CIVILENGINEERING) ag ete an sre siege Young’s Modulus of mild sto! is @ © © @ 2x 106kg/sq em 24 10%kg/sqmm 241 108kg/sq m 241 106N/sqem ite 3 sou ae RRs aga asorTeT t1 Higher water-cement ratio in concrete results in 1 2. 3 4 @ ©) © @ “ase fet / stronger mix ‘gat de fem / better workable mix serrate emt /a woak mix ‘5H efi loss bleeding 1 shes WA / 1 and 3 are correct ae 3 a8 /2 and 3 are correct 1 af 2w@h 4/1 and 2are correct 1 shea wi / 1 and 4 ae correct ah Patoraat ty wad aeae Rete ata ar el For marine work the best suited cement is o } © @ fra areal atéds FRAT / ow heat portland cement a eho Rete rapid hardening cement rata chéals Rte ordinary poriand cement ‘arcarsrdt Bar FRAT /blast furnace slag coment ware areieit gals vies ode om ty Per sane fare ont ah at gra ‘ora ete For a simply supported RCC folded plate roof which is cast the form work is to be removed from @ » © © ‘em Aras wd sea AY ait HB / one support and proceed towards centre tat apres we Hea A aft a, both supports and proceed towards centre wea wd aeTas ait aE/ centre and proceed towards supports aafea #8 AAS aéH/ none ofthe above 5 Post Code No. 05pense ‘ea iRe i 1 /SATISH DHAWAN SPACE CENTRE SHAR |g peop ae hy era (ae Gara) / cuca ASSISTANT | py (CIVILENGINEERING) _ | 13, sae (Fo AE way, afte A aes op a a A ae By Pow eT ‘Slump testis used to measure which ofthe following property of concrete? @ Rare /Durabtty @ rerraT/ Workabilty (©) RTE / Permeability (Hew eae / Compressive strength 14, pe (wR Aare) sar seh ey rer ware & Abe a gar Par sre ‘Which typeof following cement is use for mass concreting work? (Wa dyer RAT /ttigh alumina cement © wafer Afar RAT / Quick setting cement (3 wow RAE /Rapld hardening cement to) est smtta Rte / Low heat cement 15. 83 ds arenyor widely fate a fates wae —____ @ ae aft tar erfter Specific Surface of 53 grade ordinary Portland cement should not be less than. (@ 2500 sqem/g (2000 sqem/g () 225Sqm/kg (8) 2250Sqm/kg 16. RURUT chet fate a wee sift mew F —___ Largest constituent of ordinary Portland cement is (@ cao © Sid: (©) Ak: (@) Fex0s 6 Post Code No. 651. 18, 19, 20, s ah tet afar e/ SATIHDHAWANSHACE CENTRESHAR | Gy wills L ASSISTANT, ato a esr FABIA SRY few ara OT ea BI Ina beam cross section the bending stress is zero at (ahd wIgae qT/ top bre ‘Fa WERT I bottom fibre ‘Pref He TT) neutral axis (BA AF AE one ofthese ahear taet Serer a Gator Rare 1 A doubly reinforced section is used when (@) xfaRect qrer A sree additional safety is needed (da A sea dee amet at A aT / beam has to resist high bending moment (ater A sud she of ad aner A ae Ea A TACT beam has to resist tension at top and bottom face (ater a are aa BY size of beam is restricted Sea aaa edie 8 ag ee & ota A ar sitggE aT Seu ‘The ratio of Young’s modulus of high tensile stel to that of mild steel is about @ 05 @ 10 @ 15 @ 20 aifeeror & sed det are ee ae Oat ox Repia vie &, wy fen Rear rar ‘The material in which large deformation is possible before rupture is termed (@ SaRAT/ Brite (o) EAE Elastic (Sera! Ductile (@ CaniRem Plastic 1 Post Code No. 05eter ae ft Be / SATISH DTAWAN SPACE CENTRESHAR |G peor sti. | see erry (fof Gta) / TecuNIcAL assistant | py (CIVILENGINEERING) 21. stat er sree; Ear ae eta Initial setting time of OPC shall be (ww at & gar aff / notless thand hour (0) UH HE & sete ae notmore than 1 hour (9 30 fie & war agt/notless than 30 min (6) 30 fire & sift et /not more t 9 30 min 22, eake Ros qt A a fee ar ay Breit ae & fae at defer Ra ar oT fear ra Le Chatelir’s method is used to determine which ofthe following properties of cement? (e) Mor Aare / seteing ime (0) UETHT/ consistency ©) Rrefwar /soundness (8) Bet (a) 3H) both @) ana (4) 23, eet ary renee ART amr water —____ freer are 3 rar rar #1 Blaine's Air permeability method is used to determine (a) faz & falter wag / Specific surface of cement Rae A afwaT / soundness ofcement (9 ear waa Setting time (9) Seda HB aE AEE /None ofthe above 24 aan a PAY At ge aT aE steer Them aed Par a ae ae ata unite ‘The minimum average compressive strength of common burnt clay bricks shall be not less than @ 35 Ke/sqmm () 35N/Sqmm ( 75N/sqmm (@ 10N/sqmm 8 Post Code No. 05° [ 7 seer tt sft ik WE/ SATIS DHAWAN SPACE CENTRESHAR |g pop on ester ear (ae aA) / TECHNICAL AssistaNT | ~ py | (CIVIL ENGINEERING) 25, Soc 3 ape averaT are Agh Fae Be wile COT det ar aera rete FReheT Ri Maximum allowable deflection of gantry girder supporting EOT crane of capacity less than S0t (®) #a/span/2s0 () a/ span/s00 (@ Ba/span/750 (@ ®a/ span/1000 26, Frat wet wr te ats Fes00 Ba A oRanfes Bat seat A aa BI A particular grade ofstee is termed as FeS00 when its value of (a) Ber war 500 N/mm? E/ compressive stress is S00 N/mm? (o) _sfetarer afer 500 N/mm yield stress is 500 N/mm* Co) 3if8aF-SFRaRT 500 N/mm? / ultimate stress is $00 N/mm? (6) ae wea $00 N/mm? / tensile strength is 500 N/mm? 27. MPN qa Brot a & freer a BI MPN indexisa measure ofone of he fllowing (a) eneret Aeefar/ Coliform bacteria (by @3t8t/ BOD (ashe cop (@) #éaT/ Hardness 28, aay owt —___ gener: sangeet ra Flexible pavements derive stability primarily from (oe Sevan, aoher exfor wet Gaiswr/ aggregate interlock, particle friction and cohesion (©) ara waist / cohesion alone (Paget amefaet eiataer erfFa/ binding power of bituminous materials (Bergh aE wr Te eRT/ flexural strength of the surface course ° Post Code No. 057 ‘ater at Safar Be I! SATISH DITAWAN SPACE CENTRE SHAR SET hn | ae era (eRe gahferahiay J vecuncaL assistant | ~ py (CIVIL ENGINEERING) 29, are fare & $e a ster seeitwor —____ fares & afte gh lar efter ‘The water absorption of bricks shall be not more than ~9% by weight. @ 5 ® 10 @ 2 © 30 30, Seer airy 3 StERE ATT stat Paton at ge a orem arene eo eae ‘sper IS the standard modular size of common building bricks shall be (230% 110% 70feh/ mm (&) 200% 100 100 Sat mm (9 190% 90 908mm (230% 115% 75 Fet/ mm 31.7 Rt ate 28 far ater Fete aire AY arereet —__ ser segura Approximate ratio between the strengths of cement concrete at 7 days and 28 days is @ 3/4 © 2 © 12 @ 13 32. 18456-2000 yx are M25 afte A scare a Algae Modulus of elasticity of M25 concrete as determined by formula of I$ 456~ 2000 is (@) 25MPa (®) 250MPa (28500 MPa (@ 25000 MPa 10 Post Code No. 05| sce rar afte ir e1¢/ SATIS DHAWANSPACE CENTRE SHAR | Fey Jars | aerate eras (FRfRer sctrafeay / recHNcaL assistant | py (CIVILENGINEERING) 23, dag L & aioe @ sant sag, Gad get ok ot ere oe wa Foy pin atta at ‘The effective length of a column of length L. with both ends effectively held in position but not restrained against rotation is @ 051 om. @ 2b @ 15L 24. ar er RRR argu’ so aq har Vold ratio of sols the ratioof (a) Rar ar afTOT & or TRAMUT/ volume of voids to total volume (Refer ar Sawer & ater ar GRATET/ volume of voids to volume of solid (o) Set @r GATT A Pear st GAVATUT/ volume of water to volume of voids @ BHT AE HET/ none ofthese 28. age aH am A se ETE ash she (EE) er A a Poe sae aE (crite sera Pra oT -eraT BI ‘Which of the following type of foundations can be provided when the soll at shallow depth is having very poor bearing capacity? 1. qearga sear PET) Isolated column footing 2, SIgaT WHSSerT/ Pile foundation 3. Ae qS8ert/ Mat foundation 4, dat SBT Well foundation (@ 2ate/and 4 () 3ate/and 4 fo 2ate/and 3 (@ tste/and 3 “1 Post Code No. 05y _wae aa sipar dh E/ SATISH DHAWAN SPACE CENTRE SHAR | GET ohlors | aaatét aera (RRte sohtmatiay / FeeweAL ASSN D (CIVIL ENGINEERING) 36, feat RCC Fae aT Ly dae wr Ay Sag FAC Lx TAT eA class 8, ah ata eae PRsregs Par sre & a Ly/Lx Bra Lyis the length of larger span and Ixis the length of shorter span of an RCC slab. Ifthe slab is tobe designed as a two way lab, Ly/Lxshall be (@) 05 & aBr/ greater than 05 (0) 10 & Br) greater than 1.0 (©) 20% agt/ greater than 20 (20 Bter/lessthan 20 37. ave be vere Ay Aorah fae afew gra ew ee Partial safety factor for material strength for concrete shall be @ 415 @ 10 © 20 @ 145 38, Sater at ater a afar reper a I Maximum allowable concentration of ron in drinking wateris (o) 1.0 fm. rer/ mg/litre (be) 0.05 . mi. feret/ mg/litre (©) 0.30 fa. m. feret/ mg/litre (@) 003 Rim, Ree! mitre 39, aréter Sat H 100 pd 10000 sear TH ITGe Re Beit wt FE Sue qatta a 20 vfaea feafter ast & feta Arat #1 2 ppm react #1 ‘The amount of bleaching powder containing 20% available chlorine needed to chiorinate 2 ural water supply coveringa population of 10000 at 100 pda the rate of2 ppm is, (@) 10%. kg (oS FR a. / kg (© 02% m.Ikg (@ 20%.51./k 2 Post Code No. 05ater tat aie 7 SATISH DHAWANSPACE CENTRE SHAR | Fey (GIVIL ENGINEERING - 40. arch ara apr at Rigen & Gas tq Ben wae af BT ‘The predominant mineral responsible for shrinkage and swelling n blaek cotton soil is (0) FeNgC/ illite (b) #rafenge / kaolinite () *1/ mica (o Bferiteatenge / montmorillonite 41, 05/25,95/40 game as a Pager pis aetlneor Par aver Bi seer gear after eet sorer: aiafiter Prat aa 1 BIS Classifies bitumen into grades 85/25, 85/40 etc. The first and second numbers respectively refer to (0) ART ig a AUAT/ softening point and penetration (dear Ud Age Pag penetration and softening point (wer ig ath Bent lash point and penetration (9) her fg athe agar Ag fash point and softening point 42. daar by Ret @ ater an Reino RA Which ofthe following sa disinfectant method for drinking water? (steerer oxidation (©) A/ Aeration (9 HaaTest/ Sedimentation (9 FAARETT/ Chlorination 43, seer Her Hare FR er ath, ore ore & saRRog-way Barer ge sand ara dene era am age ore t, Ft — wet ore tH Afiow condition occurring within a cohesionless soll when its effective pressure is reduced to zero due to upward flow of water is known as, (@ Iga Yay Fine sand @ fam Ya Quicksand (Afar a/ Medium sand (@) FAB RE AE None of these 1B Post Code No. 05ap | Sater eae afta 4% UH / SATISH DHAWAN SPACE CENTRE SHAR SET |" a. este aera (Rafa FARA) / TECHNICAL ASSISTANT | Py 44, 45, 46. 47. 48 (CIVIL ENGINEERING) BE a 456 & sree carer after a are Bg EUSA a set gh eT ‘As per IS 456 Splicing shall not be used for bars larger than —— dia (25 fn/ mm (©) 26 fy mm (©) 369) mm (© 32 fy mm apracar fe bq set ar her ary aff har ibe The PH value of water for quality concrete shall be not less than @ 2 o4 © 6 @ 12 RCC RY stor A sea sags A flr septa aa elt Maxinsum permissible limit of chlorides in water used for RCC shall be (@) 2000 fm. fer/ mgflitre (o) 500 f. ar, /feret/ mg/litre (©) 3008%.m./Rre/ mg/litre () 400 ff. an, /ferex/ mg/litre 15 456.2000 & agare see armen fe RAT ene As per IS 456:2000 high strength concrete shall be (©) Mgostte 3302/M40 and above (b) | M503 SX/M50 and above (©) M60 38 54z/M60 and above (9) B03 5/80 and above 15 456:2000 & aegare aT air Rae ara eT TACT ‘As per 15 456:2000 Maximum cement content in RCC shall be fo) 450. m/s kg/m? . (o) 400 Fan. /AA? / kg/m? (©) 600 F&. an. /=f* / kg/m? (500 Rm /389/ kg/m? “ Post Code No. 05etry are (FARR ghia) / TECHNICAL ASSISTANT | Fry (CIVIL ENGINEERING) 49, fies & a te ar svar ow A weer at eT aT HH Which ofthe following treatments reduce the salinity of water? e ‘wcher Geer afefer ie Ve / SATISH DHAWAN SPACE CENTRE SHAR. SET an (@) HeTRTE / sedimentation (BRT filtration (9) Sane RERMT/ reverse osmosls (@) -FatheeTUT/ chlorination 50. 20 atewits AY ax 216000 Mee ere ae oe A es gt ay A aa wae rm ‘The time required to fila water tank of eapacity 216000 liter at arate of 20 liter/secis (@) 2 Wer! 2hours (©) 3 Wer 3hours (©) 144 Bes / 144 seconds (6) 144 Fra 144 minutes Si, fret Gam a er eC aT Praia Sm ae20 ma ANY A ETE oe B, at wT RG A site & da sates ara ar qa 1 ‘The ratio of pressures between the point A and B located respectively at depths 5 mand 20 m below a constant level of water in a tankcis @ 18 @ 12 14 @ 136 52. 30m Aw der aver & ater 0.05 m Boker GAT sem aE AMA mg gE 300m Res fear sar t at areas aft eh ‘4.30 m metric chain is found to be 0.05 m too short throughout the measurement, If the distance measured is recorded as 300 m then the atual distance wil be @ 29950s8/ m () 30150:8/m (© 30050x8/m (31050 54/m 1s Post Code No. 053s 55, ‘ache rae afatar 5g a / SATISH DHAWAN SPACE CENTRE SHAR ‘aaah werrn (fafaer giatta) / TECHNICAL ASSISTANT (CIVIL ENGINEERING) frat arene wala ater ar sins Reataor a8 L, steer yeh 1, si aligaeT e, bg A Rig ane Pa seta & Maximum Deflection of a simply supported beam of span L, Moment of inertia J, Young's Modulus E, subjected to a point load of P at centre is () PLI/361 @) PL/A@E () PLE/3EI (@ PIE/ABBL aH wife are pa rer Peet Taree ala tor or vf daw aroha safer BI Maximum bending moment in a simply supported beam of span L loaded with a concentrated load P at centre is (@ PLZ PLA @ PLS @ Peys ‘wifter sme & afte p, ardtetae Ata A afer dat amaph ar EMAL 8, at eae are The maximum bending moment in a cantilever beam of span I, subject to a concentrated load Patfree end is ) PL/s PLB f PLya @ PL ‘wifter are & after pa arr Pe erATea walle dr a ae ape at TOT wR grat Bi ‘Maximum bending moment in a simply supported beam subjected to a concentrated load occurs at (@) geter/ midspan (©) #§ UH STETT/ one of the supports | (©) et see both supports (@) Bilger ane & Feet W/ at the location of concentrated load 6 Post Code No. 559. 60 | cher aor safer iq #/ SATISH DHAWAN SPACE CENTRE SHAR "| [ae att apres (FAfRar gahteraPe) / TECHNICAL ASSISTANT (CIVIL ENGINEERING) - | SET | DE} 15 456:2000 % argent smear ah bg tate A aaa de ermaT at afer As per IS 456:2000 Minimum grade of concrete for RCC work shall be (M15 &) M20 (M25 (@ M30 SrAET (ghee) sare At afc Bet & arftter agi ete (irs: ote Pr sere eerg d ®) ‘The maximum spacing of shear reinforcement shall be not more than (Note: dis the effective depth of bear) @ 03a ©) 075d @ lod (6) BAA Bw ART /None of these 15.456 3 siepare aloo A aes water ar eaprarH caret FI ‘The Minimum diameter of longitudinal reinforcement in a column as per IS 456 (@) 12 fh) mm (be) 10h) men (©) 16 f/ mm (@) 8 fift/mm feat Rcc Ha ar cag wd dts 1.3 8, at ete a Boner —— FF ‘ear oer & ‘The length to width ratio ofan RCC slab is 1.3. The slab isto be designed as (a) WHATHT FAA, One way slab (0) @aewT aay Two way slab (Q) Yete Feta Flat slab 3a HB AE AB None ofthese” 7 Post Code No. 05‘wate ra sitet hy WIC SATISH DHAWAN SPACE CENTRE SHAR |G FT sollrs | aac agree (FR otfraftay / TECHNICAL ASSISTANT | py (CIVIL ENGINEERING) we ord fq BAF / Space for rough work w Post Code Wo. us‘edt tae softer ST/SATISH DHAWAN SPACE CENTRE SHAR |G poy aaah agren (faa sohaitT) / TECHNICAL ASSISTANT D _{CIVIL ENGINEERING) ‘wah werd & feng =A / Space for rough work 19 Post Code No, 05ES 10, .ATISH DHAWAN SPACE CENTRI | er ae aa ee “| SET t. rath eran (RAR Gata / TECHNICAL ASsisraNT | ~ py _{CIVIL ENGINEERING) Be ey we a oT TST test Fe TCI, eT PARAL TTT RSET (0), (0) (0) TT (o aeLRTA sath ew Gr seat WEE / Each objective question is provided with a text and/or figures wherever applicable with multiple answer choices (a), (b), (&) and (2). Only one of them is correct. sthemane the or ee ae sega ay comet VEL are seenh at Fae eet ser ster he oe FRG by Bae wep aren sits ater ie aT a eT Tat HE / Read the instructions on the OME sheet carefully. Use only Blue or Black Ball Point Pen for writing on OMR sheet and marking your answers, ‘att ages were & weet ae Sea by ware ar ahs et, SNE see at Bat ee Te rae SEE Ee as aT TCA | wae see AMON seme BY aE Soa AT TET Al objective type questions carry equal marks of THREE for a correct answer, ZERO for n0 answer and minus ONE for a wrong.answer, Multiple answers for a question will be regarded as a wrong answer. sor gfrer & art ste suit att A AmB atc at me fegiaa fr mar fot shomae ahe # few me ates at gaae a Sw a Rae swans Bh te a aC oe Se ‘fear # si et # Tea / Question booklets have been marked with A or Bor C or D or E on the right hand top corer, which is mandatory to be written on the OMR sheet inthe box and bubble appropriately, failing which, the answer shect will not be evaluated. area a4 oe Uw art bg Gta He we Rear eee wr Sahar we TAS EL TTT a ANE the aE & sre / Space available in the booklet could be used for rough work, if required. No separate sheet will be provided. Sh weer rer 8 Fae aga er wor ab eh, Sa OT ane wa ache wh a Se gw Ear are A wey HT Ew A THA Bl / Do not waste time on questions, which are too difficult for you. You ean go on to other questions and come back tothe difficult ones later. sate & aes eh ae (1) teh Arar ge AR har wr we ee eT (2) ateoTE SE gftaer Setters at ate & ser Psat st gars A emt yee TT a ATE / At the end of the test (1) Written test call Letter(s) with photograph pasted on it and (2) OMR Answer Sheet shall be returned to the invigilator and shall not be carried by the candidate under any circumstances, carer Pero raf we Hate a, iB fear err win case of any doubt in any question between the language versions, English version will prevail Post Cole No. 05