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exam prepration for civil this paper contains all the questions which wll appeare for exam
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Model Question Paper-1 with effect from 2018- 19 (CBCS Scheme) First/Second Semester B.E.Degree Examination Elements of Civil Engineering and Mechanics (Common to all Branches) 18 CIV14/ Time: 3 hrs Max. Marks: 100 Note: Answer FIVE full questions, choosing one full question from each module Module – 1 Marks 1a Briefly explain the role of Civil Engineers in the infrastructure developmentof country. 8 m b Explain briefly the scope of Civil Engineering in: a) Water resources engineering b) Geotechnical Engineering. 8 m c State and explain principle of resolved parts. 4m OR 2a Determine the resultant of the four forces acting on a body as shown in Fig. Q. 2 (a) with respect to point “O”. Fig. Q. 2 (a) 8 m b A truck is to be pulled along a straight road as shown in Fig. Q.2 (b). i) if the force applied along rope A is 5kN inclined at 30°, what should be the force in the rope B, which is inclined at 20°, so that vehicle moves along the road. ii) if force of 4kN is applied in rope B at what angle rope B should be inclined so that the vehicle is pulled along the road? Fig. Q.2 (b) 8 m c What is the moment of a force? What are the various moments encountered in practice? Explain them. 4 m Module – 2 3a What is meant by equilibrium of a rigid body? State the conditions of static equilibrium for coplanar non-concurrent force system? 4 m b Find the reaction at the contact surface for two identical cylinders weighing 1000N each as shown in Fig. Q.3. (b) Fig. Q.3. (b). Fig. Q. 3. (c). 8m
c In the Fig. Q. 3 (c). The portion BC of the string is horizontal and pulley is frictionless. Determine tension in different parts of the string. Also find W 1 and W 2. 8 m OR 4a Explain briefly: 1) angle of repose 2) Cone of friction. (^4) m b What is the value of P in the system shown in Fig. Q.4 (b) to cause the motion to impend? Assume the Pulley is smooth and the coefficient of friction between the other contact surfaces is 0.2. Fig. Q.4 (b) 8m c A uniform ladder of length 20m rests against a vertical wall with which it makes an angle of 45°, the coefficient of friction between the ladder and the wall and ground respectively being 1/3 and 1/2. If a man, whose weight is one half that of the ladder ascends the ladder, how high will he be, when the ladder slips? 8 m Module – 3 5a With sketch explain different types of supports and mark reaction line. (^) 6m b A simply supported beam AB of length 10m carries the uniformly distributed load of intensity 20 kN/m over a length of 4m at a distance 2m from left support and two point loads 50kN and 60kN a distance 2mand 6m from left support respectively calculate the reaction RA and RB. 14 m OR 6a List the steps followed in the analysis of truss by method of sections. 6m b Find the support reactions and member forces for pin jointed plane truss shown in Fig. Q. 6 (b).By method of joints. Fig. Q. 6 (b). 14 m Module – 4 7a Derivation of expression for centroid of Rectangle. 6m b Locate the centroid of the shaded area shown in the Fig.Q. 7 (b).with respect to OX and OY Fig.Q. 7 (b). 14m OR 8a State and prove Parallel axis theorem 6m