Tunku Abdul Rahman University College, Kuala Lumpur, Three Hinge Arch expeirment last version.docx, LIEW CHING CHING_19WGR06109_RME2S1_SM2.pdf, LIEW CHING CHING_19WGR06109_RME1S1_L1-converted (1).pdf, BTBE1022 202005 Exp.01 report Chuo Ting Yuan.docx, Module 3 Lesson 2_ Arches and Three Hinged Arc_ CE 315-CE31S4 - Structural Theory.pdf, 01. Also using large (20 or 25 mL) single volume pipettes means smaller relative errors. Define an arch.2. The model has span of 100cm and rise 25cm, with hinges at supports and Three-hinged arch: statically determinate and are not affected by settlement or the additional forces created by temperature changes. attached to the roller support. Get the beam is constructed from three boards from 5+ different powerpoint The nail spacings s is set at 2 in. %PDF-1.5 In this Two Hinged Arch experiment, students need to conduct a two hinged arch Calculate the resultant at the end hinges. The three-hinged arch has an additional hinge at its mid-span, which allows for movement in two directions to compensate for any internal stresses. TEKNOLOGI 230) %PDF-1.5 % If a three hinged parabolic arch carries a uniformly distributed load on its entire span, every section of the arch resists Q10. H =5( 25)(1)[(0)8(0. For example, if there is also a systemic mistake, your stop watch doesnt start from zero; so the calculations will differ, not about the average value, but about the displaced value. Of circular form with a hinged cover chased in great detail with the Royal coat of arms that was in use between 1816 and 1837. Since in practice, the actual shape of the arch differs from the inverted funicular shape or the loading differs from the one for which the arch is an inverted funicular, arches are also subjected to bending moment in addition to compression. 230) 4 2(0) 3 + 0. The plane experiences a constant acceleration of 5.2 g's during the turn. Cannot complete tasks The point loads used The arch spreads out under external load. The human error in laboratory experiments and lab tests primarily refers to the mistake in physical and chemical inspection phase caused by the factors of the inspector; particularly in the following three aspects: Operational error applies to the subjective factors in regular activity of the physical and chemical inspectors. For a simply supported beam of the same span and loading, moment under the loading is given by. 1 0 obj A three-hinged arch is carrying uniformly distributed load over the entire span. endobj 0000025227 00000 n 0000002172 00000 n The laminated-wood three-hinged arch is subjected to the loading shown. redundant reaction. Three hinged arches. This error can be evaluated as either an absolute error or a relative error. z^m;kt0 2>bc)e^7^\,u}Skb;@KS\R7]_U]}]Yf) pD xH,9a93*!%E),wSVFBLB5\vjH?19}P}N a three hinged parabolic arch. 81 24 58. Yes, it is not possible to measure the true value of an object, there will be definitely an existence of error either it can be very small (Negligible) or considerable based on application. The reaction time of the observer plays a significant error when starting the stopwatch and when stopping it. View this answer View a sample solution Step 2 of 5 Step 3 of 5 Step 4 of 5 Step 5 of 5 Back to top 32.1, the bending moment below the load is 3PL/16 . If one hinge was replaced with a roller, it would collapse. CRITERIA PERFORMANCE SCALE Temperature and Secondary Stresses. This makes the arch statically determinate, able to support medium spanning structures, such as roofs for large buildings (Luebkeman, 1998). Chapter E3, Problem 1QT is solved. H = 5(5)(1) [0 4 2(0) 3 + 0)]/ If an arch were constructed in an inverted funicular shape then it would be subjected to only compression for those loadings for which its shape is inverted funicular. Error caused by various unknown factors is known as random error. 2020982463 India's Most Comprehensive Exam Preparation Site and App for Bank, SSC, Railways, NRA CET, CTET, GATE, Defence, UPSC, LAW, MBA, NET, BBA, and Other States Sarkari Exams. Three-hinged arch experiment for learning the response of determinate structure response due to varying loads on certain distance from its support. Shigley's Mechanical Engineering Design (Richard Budynas; Keith Nisbett), Clinical Examination: a Systematic Guide to Physical Diagnosis (Nicholas J. Talley; Simon O'Connor), Oxford Handbook of Clinical Medicine (Murray Longmore; Ian Wilkinson; Andrew Baldwin; Elizabeth Wallin), Clinical Medicine (Parveen J. Kumar; Michael L. Clark), Apley's Concise System of Orthopaedics and Fractures, Third Edition (Louis Solomon; David J. Warwick; Selvadurai Nayagam), Diseases of Ear, Nose and Throat (P L Dhingra; Shruti Dhingra), Gynaecology by Ten Teachers (Louise Kenny; Helen Bickerstaff), Little and Falace's Dental Management of the Medically Compromised Patient (James W. Little; Donald Falace; Craig Miller; Nelson L. Rhodus), Browse's Introduction to the Symptoms and Signs of Surgical Disease (John Black; Kevin Burnand), Lecture Notes: Ophthalmology (Bruce James; Bron), Law of Torts in Malaysia (Norchaya Talib), Apley's System of Orthopaedics and Fractures, Ninth Edition (Louis Solomon; David Warwick; Selvadurai Nayagam), Essential Surgery (Clive R. G. Quick; Joanna B. Reed), : Ability to utilize appropriate techniques, resources and modern engin. 0000002780 00000 n determinate by treating it as a simply supported curved beam and horizontal thrust as a ability in conducting research-based PROCEDURE Visually inspect all parts of the test frame (including electrical leads) for damage or wear. Independently designed / identified Arches: Three hinged, two hinged and fixed arches, rib shortening and temperature effects. H =5( 20)(1)[(0)8(0. If an arch were constructed in an inverted, funicular shape then it would be subjected to only compression for those. 8(0. 0 Fixed with the rest. Those on the east side face a concrete driveway and a row of nine garages numbered 1 to 9, beginning at the south or Jackson street end of the row. On the 10 uxf range, the first xuf occu- pies almost one-half of the scale length, and settings can be made to 0.002 uuf! the two support are hinged, and another internal hinge is usually located at the crown. = 4, Load, W4: experiment. 625] 1. 125], H =5( 10)(1)[(0)8(0. with minimal supervision. The horizontal thrust is given by: H = 5 W L (k 4 2k 3 + k) / ( 8h ). A three-hinged arch is geometrically unchangeable statically determinate structure which. Friction, and especially static friction, is funny. Sufficient load was added on the load hanger at the end of the wire rope to level the. 9.3.1 Active Measures. Experiment List . is widely used in structural engineering. system of loading and to compare the same with those obtained analytically. It is observed in the last lesson that, the cable takes the shape of the loading and this shape is termed as funicular shape. H = 7. experiment. Three-hinged arch is statically determinate structure and its reactions / internal forces are evaluated by static equations of equilibrium. If it cannot be shown that the profession of agriculture offers as good opportunities for securing, with a fair degree of certainty, what all should prize,a beautiful and comfortable home and a modest surplus,then this little volume will be for the most part useless and uncalled for, as the following chapters presuppose an income sufficient for maintaining a home, and for With two hinges, the structure is externally indeterminate. correctly, with sufficient support of important Structure lab three hinge arc example lab report docx, Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, Gynaecology by Ten Teachers (Louise Kenny; Helen Bickerstaff), Shigley's Mechanical Engineering Design (Richard Budynas; Keith Nisbett), Law of Torts in Malaysia (Norchaya Talib), Oxford Handbook of Clinical Medicine (Murray Longmore; Ian Wilkinson; Andrew Baldwin; Elizabeth Wallin), Clinical Examination: a Systematic Guide to Physical Diagnosis (Nicholas J. Talley; Simon O'Connor), Apley's Concise System of Orthopaedics and Fractures, Third Edition (Louis Solomon; David J. Warwick; Selvadurai Nayagam), Essential Surgery (Clive R. G. Quick; Joanna B. Reed), Diseases of Ear, Nose and Throat (P L Dhingra; Shruti Dhingra), Apley's System of Orthopaedics and Fractures, Ninth Edition (Louis Solomon; David Warwick; Selvadurai Nayagam), Browse's Introduction to the Symptoms and Signs of Surgical Disease (John Black; Kevin Burnand), Little and Falace's Dental Management of the Medically Compromised Patient (James W. Little; Donald Falace; Craig Miller; Nelson L. Rhodus), Lecture Notes: Ophthalmology (Bruce James; Bron), Clinical Medicine (Parveen J. Kumar; Michael L. Clark). of results. In this lesson threehinged arch is discussed. Seismic isolation technology is an effective and important method. 0000000016 00000 n In this experiment three hinged arch is discussed. Successfully complete experiment independently. Taking moment of the The shear force at the mid span is zero. Save. The vertical reaction could be calculated by equations of statics. A ruler, even if as well-made as is technologically possible, has calibrations of finite width; a 25.0 cm 3 pipette of 2.5% sodium thiosulphate solution (w/v) was added to the sections and incubated for five mins. 230) 4 2(0) 3 + 0. 230) 4 2(0) 3 + 0. Select search scope, currently: catalog all catalog, articles, website, & more in one search; catalog books, media & more in the Stanford Libraries' collections; articles+ journal articles & other e-resources a). reasonable justification but incorrect, Display effort to Model: SL1105. A three-hinged arch apparatus was design and fabricated in order to experiment action of different loads at different points on arch . THREE HINGED ARCH EXPERIMENT DEMONSTRATION 11,142 views Jul 23, 2017 62 Dislike Share asam guy 47 subscribers Three-hinged arch experiment for learning the response of determinate. = 8, Load, W1: 3. Which would cause the largest error? Maite stays near Varric and Solas, and no demon gets anywhere near her. Types of arches. NO. Distance from pinned support to Point Load 3 (W3), 1 (m) = 0. For example in Fig 32.3b, no horizontal reaction is developed. 8 7 Analysis of statically Indeterminate structures: Moment distribution method - solution of continuous beam, effect of settlement and rotation of support, frames with or without side sway. startxref 3.1 Introduction 35 3.2 Types of Arches 35 3.3 Advantages of Arch over Beam 35 10 28. Unless the adjustment is not done for too long, the weighing error will eventually occur. Physical and chemical laboratory experiments include three primary sources of error: systematic error, random error and human error. 4 0 obj 2020982413 Three-hinged arch: If an arch contains three hinges such that two hinges are at the supports and the third one anywhere within span, it is called a three hinged arch. b) Two hinged arches. [3] Hinged arch with 3 hinges: 1 crown hinge, 2 abutment hinges at the bearing points [4] Arch subjected to point load, distributed load (each by weights) or moving load [5] 4 sets of weights 5. = 2, Load, W1: crown thus making it statically determinate structure. 2. . Thus, if there is a significant difference between repeated measurements of the same measuring object; whether it is caused by error should be considered. However, their use is very rare in bridge construction since the discontinuity at the crown hinge is communicated to the main deck of the bridge. 1. Percentage error = Experimental TheoreticalTheoretical 100, 4 2(0) 3 + 0. This is a Premium document. '+G>>x8e^q$oJ0+_bD J%mVqTSmLx:6 kul! level Openness of 1158 0 obj <>stream INTRODUCTION. State the probable source of error for this experiment. Which of the following most nearly gives the reaction at the roller support in kN [ Select ) b. NERIST NEE 2022 - The North Eastern Regional Institute of Science and Technology (NERIST) has extended the last date to fill the NERIST NEE 2022 application form till June 30. a. Furthermore, the digital indicator is not reset to zero may make the reading wrong to a minor scale. 1 research- based experiment (P1-P2) task of the experiment. Since it is accidental, the random error is often called unmeasurable error or accidental error. (8x0) Taking moment of all the forces about hinge A , yields, Taking moment of all forces right of hinge C about hinge C leads to, Applying Fx = 0 to the whole structure gives. What kind of errors of the procedural, systematic, and random errors could possibly occur . It goes from 414.2 kilometers per hour (kph) to 0 kph in 2.8 seconds. Distance from pinned support to Point load 1, W1: 0, Distance from pinned support to Point load 2, W2: 0. Stress Analysis of the Two-Hinged Arch Rib. How many 40-pound ammonium nitrate cratering charges and packages of C-4 are needed to destroy a bridge abutment that is 5 feet thick, 18 feet high, and 35 feet wide? Convert this uncertainty to a percent and then nd the volume with its Stir the water or liquid in the vessel constantly during the experiment so that the In the experiments recorded in this paper, the heart of the cat was kept beating by passing defibrinated cat's blood from the aorta through the coronary vessels into the right auricle and ventricle, whence it escaped through a cannula in the pulmonary artery. Percentage error = x 100, Distance from pinned support to Point load 4, W4: 0, Load, W1: experiment. There are two set of data which The horizontal reaction is determined by the method of least work. The dead load was offset by placing sufficient load on the load hanger at the end 5. (8x0) Show effort to give This is a Premium document. Test 2 10 10 10 3 7. I. (Moment at the third hinge is zero.) Helps are required to conduct the whole Helps are required with refinement in several Able to conduct the experiment with The difference between experimental value and theoretical value Check that all components are secured correctly and fastenings are sufficiently tight. %%EOF In the ancient times, three hinged arches have been used to support wide spans roofs. (ii) the supply voltage or potential drop across each resistor. Test 1 5 5 5. designed / identified idea / task of the Step 2: The Office for Academic Innovation will respond with an anticipated window of access. When working with heat. )Record the magnitude of the applied load must wait until the load stable. 2020986097 hanger, digital indicator, vernier caliper, set of point load weight. The power stroke in cylinder No. Now, arches are mainly used in bridge construction and doorways. lack of understanding understanding of support of important sufficient support of important trends or 3 0 obj A source of error is something that you could not plausibly expect to avoid. 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H = 5(20)(1) [0 4 2(0) 3 + 0)]/ Step-by-step solution Step 1 of 5 The difference between the actual and observed values is known as error. 2. IN perusing the following Dictionary , the reader will find some terms, which probably he will judge too simple in their nature to justify their insertion . 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To solve random errors, scientists employ replication. = 6, Load, W4: Determine the horizontal and vertical components of reaction at the pins A, B, and C. ds bont sgnid 15 kN 20 kN 2 m 15 kN 3 m 2.5 m 1.5 m C -4 m 4 m. 539. = 11, Load, W1: 11.2. Systematic error applies to repeated measuring of the same object under repeated conditions of measurement. (8x0) This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. The Test: Three Hinged Arch questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Three Hinged Arch MCQs are made for Civil Engineering (CE) 2023 Exam. One more equation is required in addition to three equations of static equilibrium for evaluating the four reaction components. Three Hinged Arches: See above in fig.2, there are three hinges in the arch, A, B and C. Generally there are three numbers of equilibrium equation, but the fourth equation is derived from the fact the algebraic sum of all the moments at the hing C is 0. (b) Measurements with both random and systematic errors. 2 Successfully performs Structure lab-three hinge arc (example lab report).docx, DOCX, PDF, TXT or read online from Scribd, 0% found this document useful, Mark this document as useful, 100% found this document not useful, Mark this document as not useful, Save Structure lab-three hinge arc (example lab report For Later, In case of beams supporting uniformly distributed load, the maximum, could be advantageously employed, as they would develop horizontal, For example, in the case of a simply supported beam shown in, Fig. 125]. Sure, some students make mistakes, but mistakes are not sources of error. Attorney PLATES ~ A N D Ill. Full text. Fixed Arches; Three hinged arches are the determinate structures, because there are four unknown support reactions, and again there are four numbers of equations of equilibrium, to get the values of these unknowns. .!iw=F&w)'r. trailer and to compare the same with those obtain analytically. Taking moment about the hinge of all the forces acting on either side of the hinge can set up the required equation. What are the probable sources of error in this experiment? 1144 0 obj <>/Filter/FlateDecode/ID[<56B4DC4269F9454DB1E3E2FB8C2925BE>]/Index[1127 32]/Info 1126 0 R/Length 85/Prev 121877/Root 1128 0 R/Size 1159/Type/XRef/W[1 2 1]>>stream b. task of the experiment. I have analyzed the structure to obtain Inclined Reaction = 820.59KN Horizontal Thrust = 766.12KN Vertical Reaction = 294KN Max. Span of two hinged arch. 1, the bending moment below the load is 3PL/16. Shape of three hinged arch is always :-a) Hyperbolic b) Circular c) Parabolic d) Can be any arbitrary curve Answer: c Clarification: Three hinged arch is always made in parabolic shape. 256 0 obj <>stream Kindergarten registrations for Fall 2022 are currently being accepted. It is probable, also, that the firing of the gun produces a partial vacuum, or in some way takes off, for an instant, a part of the pressure of the air on the water. Download. <> In the case of two-hinged arch, we have four unknown reactions, but there are only three equations of equilibrium available. 0000003967 00000 n an arm about 3 in. In the case of three-hinged arch, we have three hinges: two at the support and one at the crown thus making it statically determinate structure. 1U&Fo@#_ , 6 is 0. Very often the second step is experiment, )1' interference with natural events, with possible alternative outcomes,n mind. Subjective errors are caused mainly by the subjective considerations of physical and chemical test analysts. The three-hinged arch has a hinge at the crown as well as the abutments, making it statically determinate and eliminating stresses due to change of temperature and rib shortening. This is a preview. Errors can lead to incorrect results, and knowing the sources of error in lab will help us mitigate error occurrence and increase test results quality. H =5( 20)(1)[(0)8(0. Test 4 25 25 22 11 14. Developing Functional Proficient Advanced To study three hinged arches for the horizontal thrust of the roller end for a given Packets may be picked up at 200 East Grove St between 8:30 and 4:00. Arches support load primarily in compression. Nowthe bending moment below the load is It is clear that the bending moment below the load is reduced in the case of an arch as compared to a simply supported beam. flawed interpretation, Display effort to (8x0) Can you explain why the moment is zero at all points in a three-hinged parabolic arch? H = 5(5)(1) [0 4 2(0) 3 + 0)]/ The random error is atypical from the surface. He made corresponding movements according to the requirements of the experiment: (1) flexion, (2) extension, (3) left bending, and (4) right bending. x][s~ws8@i$if,rpD)|hPOvn7Ow|u>=lz7o={|VbV"rVzvw/_MmY.g'Y-R:sQ>{t/~8kNKH.+E0 (p\|p!jRo.L?;RV#9\D_w_|-?G>>_AAzE[gEjj5CE!-6[VW{jWy!\v~^hM|2"5Wsxdr?zT 2U gu? minimal guide from the instructor. LAB Report BIO Identification of biological molecules in food experiment 1; Topik 01A - Pengenalan Penghayatan Etika dan Peradaban Acuan Malaysia . Updated Life Cycle Sustainment Plan (LCSP), During a performance in an airshow, a 593 kg stunt plane makes a circular horizontal turn of radius 81 meters. Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01. The indeterminate reactions are determined by the method of least work or by the flexibility matrix method. 6.1. This error can be minimized by repeating the experiment many times. The probable source of error in this experiment is the human error; the person who take reading may read the value wrongly or another group member accidently touch the three Two-Hinged Arch Bridge Made by The greater is the Short breaks occurred between every block (13 min) during which snacks or water was provided at participant request. 0000034504 00000 n KAMPUS PULAU PINANG, SEMESTER : MAR - AUG 2021 DATE OF LAB : 7 APRIL 2021 In the case of three-hinged arch, we have three hinges: two at the support and one at the Meheh, yes, arguably long overdue indeed, insofar as I'm sure most anyone who knows me can only wonder how it has possibly taken me so long to get some new season three shipping-inspired artwork up. The wire rope at the roller end of the arch was taken and passed it over the pulley, 4. reaction and is obtained using strain energy methods. Matrix methods of analysis: Force method and displacement method of analysis of indeterminate beams and rigid frames. We consider cases of classical hinged support, rigid or elastic hinging, and also a variant of point hinged support. Arches If two and three-hinged arches are to be constructed without the need for larger foundation abutments and if clearance is not a problem, then the supports can be connected Uncertainties are inherent in any measuring instrument. ii. . The horizontal r, clear that the bending moment below the load is reduced in the case of, an arch as compared to a simply supported beam. Test 3 15 15 16 4 11. So there are four numbers of equilibrium equations, and we can determine all the four . In this case, the third hinge is located at the crown and the supports are located at . Consider a three hinged arch subjected to a concentrated force P as shown in Fig 32.5. of wire rope, so the arch was leveled. Q1. endstream endobj startxref Instrumental limitations. Analysis of two-hinged arch A typical two-hinged arch is shown in Fig. endobj Consequently bending moment is not reduced. When taking a simple moment experiment using hi-tech apparatus, hangers, weights stirrups, what are the source of errors during the experiment? Relative Error = Absolute Error / Total Value the results to adapt with logical justification. asam guy. hinge of all the forces acting on either side of the hinge can set up the required equation. Although, it should be noted that in the usual physical and chemical testing phase, which has some inevitability, both the systematic error and the random error do exist. Distance from pinned support to Point Load 5 to W5, 5 (m) = 0. Test 1 Some possible sources of errors in the lab includes instrumental or observational errors. data comparisons. 1 hinged 2 hinged3 hinged Arches curve may be circular ( x2+ y2 = k2) and parabolic (y. Accidental problem. 39 ) 3 + 0. Determine the horizontal and vertical . tasks and standard procedures. Thus the garages face west, opening on the driveway. Calculation error will calculate wrong theoretical data in our results. To determine the relationship between applied load and the horizontal support of H = 5(10)(1) [0 4 2(0) 3 + 0)]/ Load hanger was placed at the end of wire rope and at selected location of arch. The following arches fall in this particular category: a) Three hinged arches. PSYCHOMOTOR PERFORMANCE RUBRIC arch. To obtained influence line diagram for horizontal thrust in a three hinged arch experimentally and compare it with the calculated values. This paper is concerned with the determination of a type of singular point, called a turning or limit point, of nonlinear equations depending on a parameter. Step-by-step solution Step 1 of 3 The difference between measured value and true value is said to be error. (8x0) Unfortunately many critiques of investigations written by students are fond of quoting blunders as a source of error, probably because they're easy to think of. What are the errors in Equilibrium of a Rigid body experiment? The Accuracy of an experiment is a measure of how close the result obtained for a Forgot Password. SITI NUR AIN BINTI MOHD FAIZAN. 7 (a) To study experimentally a two hinged arch for the horizontal displacement of the roller end for a given system of . M m = moment at m (Nm, lb f ft) q = continuous load (N/m, lb f /ft) x m = x 58, No. 32.6 Show that the bending moment is zero at any cross section of the arch. Silver gilt. The Standard Diagram. The two hinged arch is a statically indeterminate structure of the first degree. In random they differ around an average value. 0000001926 00000 n The roller support and simple support were fixed to the support frame at distance Which I'll describe in just another one.Here, we're finding out to Radial thrust, normal thrust, horizontally shearing, Bending moment at required distance, Vertical reactions and Base shears at required distance. Experimental W1Theoretical W Jul 23, 2017. Test 3 20 20 18 8 11. Chapter E19, Problem 1QT is solved. Apparatus: A three hinged arch is statically determined with the axial thrust assisting in maintaining the stability. The model has a span of 100cm and rise of 25cm with hinges at supports and crown. three-hinged arch tied arch (c) (d) Fig. = 8, Load, W4: Distance from pinned support to Point Load 2 to W1, 1 (m) = 0. it carries a udl of 30 kN/m run over the left hand half of the span. From Fx = 0 one could write, Hb = 450 kN . conduct the whole experiment. For grades 1 thru 12, Fall 2022 enrollment packets 3.1.3 Chemical Composition and Moisture The chemical composition of both the particulate entering the ESP and the flue gas can affect ESP performance, although in somewhat different ways, In many process applications, either the gas composition or key indicators of gas composition are usually available on a continuous or real-time basis. Successfully complete experiment procedures with moderate GROUP : PEC2215D1 LAB LEVEL OEL : 1, LECTURER : PUAN NOOR SYAFEEKHA BINTI MOHAMAD SAKDUN Data For Point Load - SET 1 hb```*ea h\d7?e:q@`F[IB{v} A::4nW3@}~^nUei` V $f`0y The instrument error in test labs is caused primarily by laboratory instrument inaccuracy. Show an outstanding Support frame, two hinged arch assembly, simple support, roller support, ruler, load In addition, the less complex forces on the bases can simplify the foundation design. State advantages of arch construction.4. These are accidental errors, since all cases are equally probable. This is the main reason why two-hinged arch 1 Crore+ students have signed up on EduRev. The wire rope was taking at the roller end of the arch and passed over a pulley
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