Download VTU BE 2020 Jan Question Paper 18 Scheme 18CIV14 Elements of Civil Engineering and Mechanics First And Second Semester

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18CIV14/24

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First/Second Semester B.E. Degree Examination, Dec.2019/Jan.2020

Elements of Civil Engineering and Mechanics

Time: 3 hrs.

Max. Marks: 100

Note: 1. Answer any FIVE full questions, choosing ONE full question from each module.

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2. Missing data, if any, may be suitably assumed.

Module-1

1 a. State the scope of following fields of civil engineering. i) Geotechnical Engineering ii) Transportation Engineering iii) Water Resources and Irrigation Engineering iv) Structural Engineering. (08 Marks)

b. State and explain basic concepts of idealization of mechanics. (04 Marks)

c. Determine resultant force for the system shown in Fig.Q1(c). (08 Marks)

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OR

2 a. State and explain the effect of infrastructural facilities on social-economic development of a country. (08 Marks)

b. State: i) Principle of transmissibility ii) Resolution and composition of forces. (04 Marks)

c. Find the angle 'a' if resultant force of the system shown in Fig.Q2(c) is vertical, also find magnitude of resultant force. (08 Marks)

Module-2

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3 a. State and explain free body diagram with examples. (04 Marks)

b. Find tension in string if the system is in equilibrium shown in Fig.Q3(b). (08 Marks)

c. A uniform ladder weight 850N and length 6m rests on a horizontal ground and leans against a smooth vertical wall. The angle made by the ladder with horizontal is 65°. When man of weight 700N stands on the ladder at a distance of 4m from the top of the ladder, the ladder slides right side. Determine thermsframter Fortion between ladder and ground. (08 Marks)

OR

4 a. State laws of dry friction. (04 Marks)

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b. Find contact pressure at surfaces of contact for the system shown Fig.Q4(b) for two identical cylinders P and Q. (08 Marks)

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