LT/C/03/2024 Exam 2024 Civil Engineering PDF

]V]S DO I![OT OPEN THE SEAL UNTIL INSTRUCTED TO DO SO No. 103039 Series A...

]V]S DO I![OT OPEN THE SEAL UNTIL INSTRUCTED TO DO SO No. 103039 Series A Question Booklet LTlCl0,3l20/24 EXAM. 2o24 I In u ig ilato r's Sig nature Candidate's Signature Time : 2 Hours Maximurn Marks: 1O0 ROLL NO. INSTRUCTIONS FOR CANDIDATES L Immediately after the commencement of the Examination, candiciate shoulcl check that this Bnoklet does NOT have an11 unprinterl, torn or missing pages/S1. No. etc. If any defect is found, candidates should not u,rite or mark anything on the OMR RESPONStr SHtrET ancj. imrnediatelv report it to the room Invigilator for replacernent by a Complete Question Booklet. 2 Candidate should carefully read the instructions on the back of the OMR RESPONSE SFIEET. They should NOT write Name, mark, make any stray marking or r,r,rite anything irrelevant on either side of the OMR RESPONSE SHEtrT. Remarks other than the Answers and requisite details will be treated as revealing your identity and upon physicatr verification if such remarks are found, the OMR RtrSPONSE SHEET will be invalid.ated and the candiclature cancelled. No rough work should tre done on the OMR RESPONSE SHEET. Rough work space provided in the 3. Question Booklet can be used for the same. Candidate should enter correct and complete digits of his/her Ro11 Number, Booklet Number J and other details in the apprclpriate boxes and darken the corresponding bubbles in the OMR IIJ 4. RESPONSESHEET, Candidate should NOT handle his/her OMR RESPONSE SHIIET in such a fflanner as to mutilate, o folcl etc. t,. This Question Booklet contains LOO questions carrying 1 (one) marks each. Each question contains four responses. Oaly one response/answer for each question should be rriarked appropriatelJ'in the bubble on the OMR RESPONSE SHEET. {f more than one response is marked, the anslver r,vi11 be considered lvrong. 6. Candidates are strictly prohibited to possess any book, notebook or loose paper, calculator, mobile phone, any electronic gadget, digital wristwatch etc., inside the Examination Hall, except his/her unique ID, Admit card and writing materials only. 7. knmediately after the fina1 bel1 indicating the closure of the Examinatjon, candidates shouid stop marking answers. Candidates should remain seated till the collection of OMR RESpONStr SHEET by the Invigilator. They wiil leave the Examination Hall after submission of OMR only after they are perrnitted by the Invigilator. 8. Violation of any of the above Rules will render the candidate liab1e to be expelled and disqualified from the Examination and according to the nature and gravity of his/her offence, helshe may be debarred from future Examinations and interviews to be conductecl bv the Commission and other such organizations. NB : CANDIDATES ARE ALLO1VED TO TAKE TIIIS QUESTION BOOKLET UIITH THEM ONLY AF'TER COMPLETION OT 2 (TT[IO)HOURS OF EXAMINATION TIME. DO NOT OPEN THE SEAL UNTIL INSTRUCTED TO DO SO LT / C I A3 ! 2C24 EXA[,r. 2A24 I 7 -A SEAL  5. A1lowable bearing capacity of the foundation depends upon lA] a11owable settlement onlY tAj air entrained soil tBl ultimate bearing capacity of the lB] partially saturated soil soil lcl dry soil IC] both allowable settlement and ultlmate bearing caPacitY of the tDl dehydrated soil soil lD] None of the above 2. The ratio of the volume of voids to the volume of soil solids in a given soil 6. Rise of water tabie in cohesionless mass is known as soiis up to ground surface reduces the net ultimate bearing caPacitY IAI porosity approximately by lBl speci{ic gravity IAI 2sah EHE tBl Sooh ICI void ratio ffi# icl 7 s% lD] water content iDl 9Oo/o 3. Water content of soil can ?. The maximum differential settlement in isolated footing on clayey soils IAI be less than Oolo should Lre lirnited to lB] be greater than 100% 25 mm [A] ICI never be greater than 100% IBI 40 mm ICI 65 mm lDl take values only from Ooh to 100% lDl 100 mm 8. A combined footing is generaily used 4. The bearing capacity of a soil depends when upon tAj nurnber of columns is more than two and they are spaced far aPart IAI internal frictional resistance of particies IBI nurnber of coiumns is two and they are spaced close to each other tB] shape of the particles ICI number of columns is two and they tC] cohesive properties of particles are spaced far apart IDI A11 of the above IDI there is only one column vt /cI CI3 I 2024 tr}(AM. 2A24 I ? -A I  9. Which of the following trees yields hard 13. Which of the following stones is best rvood? suited for the construction of piers and atrutment of bridges? tAl Deoda.r rilqEt IAI Granite iBl Chir ffiE tBl Sand stone tCl Shisham tcl Limestone tDl Pine lDl Quartzite 10. If fineness modulus of sand rs 2'5, it is graded as 14. The frog of the brick in a brick masonry is generally kept on IAI very fine sand tAl bottom face lBj fine sand iBl top face tcl medium sand tD] coarse sand tcl shorter side iDl k:nger side LI. Putty is made up of white lead and turpentine 15. Hydraulic lime is obtained by iAl lB] porvdered chalk and ranv iinseed lAl burning of limestone ^t1I r (.J tBl burning of kankar C :ci leaci ar:d iinseed oi1 lcl adding water to quickiime tDl zinc oxide and boiled linseed oil lD] ca,lcination of pure clay 12. The trunk of the tree lelt after cutting 16. Which of the following is the purest all the branches is known as forrn of iron? lAl 1os IAI Cast iron tBl batten tBl Wrought iron lcl plank tcl Mild steel tDl L,aulk tDl High carbon steel rx I c I os I 2024 BXAM. 2a24 I 7 -A., lP.T.o.  17. As compared to the stretcher course, the 2L. Modulus of rigidity is defined as the thickness of joints in header course ratio of shouid be tAl longitudinal stress to longitudinal lAl less strain iBj more tB] shear stress to shear strain ICI equal lC] stress to strain lDl equal and more IDI stress to volurnetric strain 18. In brick masonry the bond produced by 22. Far an isotropic, homogeneous and laying aiternate headers and stretchers elastic material obeying Hooke,s law, in each course is known as number of independent elastic constants is lAl Engiish bond tAl 2 IBj doutrie Flen:ish bond iBl s icl zigzag bond lcl e IDI single Fiemish bond ID] i 19. The height between the two floors is 23. Two trars of different materials are of the 3.0 m and riser is 15 cm. Assurning two same size ancl subjectecl to same tensile flights betw,een the flocrs, the numtrer force. if the bars have unit elongations of treads will be in the ratio of 4 :7, therr the ratio of moduii of elasticity of the two materials IAj 18 is lBl 7e IAI 7 :4 ICI 20 ffi tBl 4 :7 IDI 27 tcl 4: 17 IDI 16 49 2O. In the designation 10 DS 20, |ne letter D stands for 24. Maximum bending moment in a beam occurs where iAl single shutter lAl deflection is zero iBl double shutter lBl shear force is maximum lC] door opening tcl shear force is minimum lDl rvindow opening lDl shear force changes sign 1,tr / C. / G3 I 2024 l:lXAM. 2024 / Z -A 4.-r_  25" The sum of the normal stresses is 29. Principle of superposition is appiicable when tAl constant lAj deflections are linear functions of lBl variable applied forces icl dependent on the plane IBI materiai obeys Hooke's 1aw tD] None of the above tcl the section of applied forces wi1lbe affected by sma1l deformations of 26. Shear stress on principal plane is the structure IAI zero lDl None of the above lBj maximum 3O. Caissons are used for structure such tcl minimum S tDl None of the above bridge pier tAl IBI 1O-storeyed building 27. Rate of change of bending moment is equal to ICI river abutments [A] shear force tDl Both [A] and [C] tBl deflection lcl slope 31. Pneumatic caisson consists of tDl rate of loading lAl air lock IB] decompression chamber 28. The difference in ordinate of the shear cllrve between any two sections is equal to the area under lcl Both [A] and [B] lAl load curve between these two [D] None of the above sections 32. Well foundation is the name given to lB] shear force between these two sections IAI box caisson IC] bending moment cr-lrve between lllr-Ill these two sections tB] open caisson ilstr tD] load cur..,e between these two tcl floating caisson sections plus concentrated loads applied between the sections IDI None of the above Lr I C I A3 I 2024 EXAM. 2024 I 7 -A c lP.T.O \ rn{  33. Negative skin friction on pile is 38. Trenching machine cannot be used dominant in for lAl friction pile in soft clay IAI rocks tBl friction pile in sands iBj hard clay tcl friction per bearing piles ID] piles resting on hard sands ICI muddy clay tDl loose material 34. Chances of settlement is more in tAl cohesive soil 39. Which of the following is nof an excavating equipment? tBl non-cohesive soil lcl Both [A] and [B] lA] Power shovel [D] None of the above lBl Scraper 35. The nature of the cofferdam enclosure lcl Dragiine is generally iDl Hoe tA] permanent tB] temporar5r 4O. Economic span of a bridge is the span at which the correct relation between icl aknost permanent the cost of substructure and cost of IDI semi-permanent superstructure is 36. Foundation settlement is not always iAl equal dangerous if it setties throughout iBl more lAl uniformly ICI less tBj within desired limit Icl Both [A] and [B] ID] Cannot be predicted in advance tDl None of the above 41. The unit of measurement for steel works in trusses and its parts is 37, Sand is produced by crushing in IA] hammer miil IAI quintal IBI ball rnill IBI cm rct srrator fr+# IC] numbers lDl jaw crusher {Di kilograms LT / c I CI3 I 2024 trxAM. 2A24 / 7-A 6 +.ire I  42, Th.e unit of measurement of concrete 47. One brick thick wall is measured work in RCC is in tA] square meter tAl cubic rneter lBl cubic meter IBI square meter tC] meter lDl quintal tcl running meter lDl All of the above 43. The unit of measurement of wood work in door and window frame, rafter, beams, roof trusses etc. is 48. It is required to plaster a wa11 of 4 m long, 3 m high and 30 cm thick. The tA] meter cost of plastering at the rate of { 8.50 IBI sq.m per square meter would be tcl quintal lAl ( 102 iDl cu. m tB] < 2o4 44. trstimate expected to be least accurate icl { 304 is lA] supplementary estimate iDl < 4o4 tBl plinth area estimate 49. The Damp Proof Course is measured tcl detailed estirnate in tDl revised estimate lAl cu" lrl 45. The useful part of a livable area of a sq.m building is also known as tBl iA] carpet area rnqrit lcl metres IE#.S tB] circulatory area EFJ# tD] None of the above iC] horizontal circulation area lDl plinth area 50. Due to change in price level, a revised estimate is prepared if the sanctioned estimate exceeds 46" The ratio of cost of labour to the total cost of the building is lAl 2.o % IAI 1:1o lBl 2.5 % lBl 1 :4 tcl 1:1 lcl 4.a o/o tDl 6: 1o iDl 5.a % Lr I c I a3 I 2024 EXAM. 2024 I 7 -A 7 IP,T.O r- li  I 51. \\rhich of the follow'ing types of riveted 55. Lacing bar in a steel column should be ioint is free from bending stress? designed to resist ok iAj Lap joint IAI bending moment due to 2'5 of the column load tBl Butt joint u,ith single cover plate lBl shear ftrrce due to 2'5 7o of the column load icl Butt joint with double cover plate ICI 2'5 % of the coiumn load tDl None of the above tDl Both [A] and [Bl 52. Bolts are rnost suitable to carry 56. Gatrtry girders are designed to resist IAj shear tAl lateral loads I;lqm lBl longitudinal ioads and vertical lBl hending.ffifi loads lcl axial tension 1atera1, longitudinal and vertical tcl IDI shear and bending loads lDl lateral and longitudinai l.oads 53. A circular column section is generally not used in actuai practice because 57. Normally the angle of roof truss with asbestos sheets should not he less than tAj it is uneconornical tAl 26.5" tB] it cannot carry the load safelY tBl 30o lC] it is dif{icult to connect beams to the round section lcl 35" of the above IDI 40" lDl A11 54. The use of tie plate in iaced column is 58. To minimize the total cost of a roof tttlss, the ratio of the cost of truss to the iAl prohibited cost of the purlins shall be IBI not prohibited iAl 1 lcl permitted at start and end of the tBl 2 lacing system onlY IC] 3 ID] permitted between two parts of the lacing ID] 4 w I c I a3 I 2024 trXAM. 2a24 I 7 -A 8  59. Strength of concrete increases with 63. In working stress design, permissible bond stress in the case of deformed. bars IA] increase in water cement ratio is more than that in plain bars by tB] increase in fineness of cernent iAl 1o'yo tC] decrease in curing time IBI 2jak tD] decrease in siee of aggregate icl 30% lDl 4a% l 60. The compressive strength of 100 mm cube as cornpared to 150 mm cuhe is 64. Half of the main steel in a simply aiways supported slab is bent up near the support at a distance x from the center IA] less of slab bearirrg, where x is equal to tBl more IAI t ls ICI equal IBj 1ls tDl A1i of the atrove icl 1 /7 IDI 1/\o 61. For walls, columns ancl vertica_l faces of all structural mernLrers, the form work is generallv removed after 55. The minimum cover to the ties or spirals should not be less than iAl 24 ta 48 hours IAI 15 mm IBI 3 days IBI 20 mm tcl 7 days ICI 25 mm iDl 14 days lDl 5O mm 62. For a cantilever of effective depth of 66. While designing the pile as a cotrurnn, 50 cm, the maximum span to satisfy the end conditions are nearly vertical deflection iimit is IAI both ends hinged tAl 3'5 m lBl both ends fixed tBl 4 rn EHE ICj one end fixed and another end hinged ICI 4'5 m ffif;H tD] one end fixed and another end IDI 5m free 1:T I C I A3 I 202.1 E)aAM. 2024 / 7 -A I lP.r.o. l-  67. The diameter of needle used in 7L. A sawer that receives the discharge of Vicat's apparatus for the determination a number of house sewers is cal1ed of initial setting time is prescribed a- lAl house sewer IAI o'5 mm lB] iateral sewer lBl 1'0 mm lcl intercepting sewer lcl 5'0 rnm lD] submain sewer lDl 1O'0 mm V2. A pipe conveying sewage frorn plumbing system of a single buiiding 68. Increase in fineness modulus of, to common sewer or point of immediate aggregate indicates disposal is calied lAl finer grading tA] house sewer lBl courser grading IB] lateral sewer ffi tcl gap grading lC] main se\Mer IDI None of the above ID] submain sevv'er 69. The partiai safety factor for steei as per 73. As per CPHEEO Manual, the design IS 456 is taken as period for Sewage Treatment plant is tAl f is lAl 15 years IBI 1.so IBI 30 years ICI 1.Bs {C] 45 years lDl 2'20 [D] 60 years 7O. According to lndian Standards, the 74. The suitable system of sanitation for pozzol.ana content in portland area of distributed rainfatl throughout pozzolana cement is the year with iess intensit5r is IAI lOo/o to 25o/o lA] separate system IBI 25a/o to 35oh lBl combined system lcl 35% to 50% lC] partially separate system lDl more than 50o/o IDj partially combined system LT I C I 03 i 2024 EK{tur. 2024 I 7 -A 10 75. The slope of sewer shall be 8O" Disinfection of water results in lAl given in the direction of natural tAl removal of turbidity slope of ground iBl removal of hardness lBl givenin the opposite direction of natural slope of ground lcl killing of disease bacteria IDI compiete sterilisation lcl zero tDl steeper than 1 in 2O 81" in highu'ay constrrrction roliing starts from ?6. The minimum and maximum diameters of sewers shall preferably be lA] sides and proceeds to center iAl trS cm and 100 cm IB] center and proceeds to sides lBl 15 crn and 300 cm E]SE] tcl one side and proceeds to other iff-tifi side ICI 30 cm and 450 cm trf#t iDl bottom to top tDl 6O cm and 300 cm 82. For the construction ol water }:ound 77. T}re veiocit-v of flovu' does not depend rnacadam roads, llne eorrect sequence orr of operation after spreading coarse lAl grade of sewer aggregates is iBl length of sewer iA] dry rolling, -wet rolling, application of screening and appiication ol lcl hydraulic mean depth of sewer filler tDl roughness of sewer tB] dry rolling, application of {i11er, wet rolling and appiication of access for inspection screening AS lC] dry rolling, application of screening, wet rolling and tAl intake application of {i1ler rnanhole lBl lDl dry ro11ing, application of screening, appiication of fil1er and catch basin wet roiling tDl 79. 83. When the bituminor-rs surfacing is done on already existing black top road or over existing cernent concrete road, the IAI aerobic only type of treatment to be given is lBl anaerobic only lAl seal coat lC] aeroi:ic in lower compartrnent and anaerobic in upper comPartment iBl tack coat anaerr:bic in lor,ver cornpartment IC] prime coat lDl and aerobic in upper compartment tD] spray of emulsion ur I c I a3 I 2024 EXAM" 2a24 I 7 -L 1.1 lP.T.O. freqr L 84. Which of the following premix methods 88. The wails which are necessary on the is used for base course? hill side of roadway where earth has to be retained from slipping is known as IAI Bituminous carpet lAl retaining wall lBl Mastic asphalt IBI breast wall tcl Sheet asphalt ffi# icl parapet wail lDl Bituminous bound macadam {Dl None of the above 85. The suitable surfacing material for 89. In hill roads the side drains are bridge deck slabs is provided lAl sheet asphalt {Al only on the hill side of road lB] bituminous carpet IBI only on the opposite side of hili ICI mastic asphalt icl on both sides of road tDl rolled asphalt lDl None of the above 9O. For sandy soils, the most common 86. The thickness of bituminous carpet method of stabilization is I varies frorn I lAl soil cement stabilization IAI 2 to 2.5 cm {Bl mechanical stabilization IBI 5 to 7.5 cm tcl soil lime stabilization ICI 7'5 to 10 cm ID] soii bitumen stabrlization lDl 1O to 12 cm 9L. On ahorizontal curve if the pavement is kept horizontal across the alignment. 87. The drain which is provided paraliel then the pressure on the outer rvheels to roadway to intercept and will be divert the water from hill slopes is known as lA] more than the pressure on inner wheels tAl sloping drain IB] less than the pressure on inner IB] catch water drain wheels IC] side drain ICI equal to the pressure on inner wheels ID] cross-drain iDl zero LI / C I 03 I 2024 trKAM" 2A24 I 7 -A 12  92. The transition curve used in the 96. Air valves are generaliy provided in horizontai alignment of highways as pressure pipes of rvater supply per IRC recommeridations is IAI at pipe junctions lAl spiral IBI at summits tB] lemniscate ICI at low points lcl cubic paraboia lElqIEI lDj near service pipes fDl circular ffiffi 97. A centrifugal pump is required to be primed hefore starting if it is located 93" In case of hill roads, the extra widening tA] at higher level than the water level is generally provided clf the reservoir lAl equaliy on inner and outer sides lBl at lower level than the water leve1 of the curve ofthe reservoir tB] fu1ly on the inner side of tfre curve ICI Both [A] and [B] IDI Neither [A] nor [B] ICI fuily on the outer side of the curve tD] one fourth on inner side and three 98. Underground water is obtained from fourth on outer side of the curve iAl rivers tBl 1a.kes 94. The maximum design gradient for vertical profile of a road is tcj reservoirs tDl springs IAI ruling gradient IBI limiting gradient 99. For a well-pianned city, the iayout of distribution pipes generally adopted is lcl exceptional gradient tAl grid iron system IDI minimum gradient iBl ring system [C] radial system 95. If ruling gradient is 1 in 20 and there is also a horizontal curve of radius tDl dead end system 76 m, then the compensated grade shouid be 1OO. The most widely used pump for lifting ser,vage is tAl 3% IAI centrifuga-l pump IBI 4oh IBI reciprocating pump lci 5% icl pneumatic pump IDI 60/0 lD] air pressure pump L:r I C I a3 I 2024 EXAM. 2A24 I 7 -h 13 lp.r.o. rrry--  SPACE FOR ROUGH WORK l I I : fl# Lr/c/ffi/2A24 trxAM. 202417-A 1.4