Download VTU B-Tech/B.E 2019 June-July 1st And 2nd Semester 18 Scheme 18CIV14 Elements of Civil Engineering and Mechanics Question Paper

Download VTU ((Visvesvaraya Technological University) B.E/B-Tech 2019 July ( Bachelor of Engineering) First & Second Semester (1st Semester & 2nd Semester) 18 Scheme 18CIV14 Elements of Civil Engineering and Mechanics Question Paper

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First/Second Semester B.E. Degree Examination, June/July 2019
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.
2. Assume missing data suitably.
Module-1
1 a. Briefly explain the role of civil engineers in the infrastructure development of the country.
(06 Marks)
b. Explain briefly the scope of civil engineering in (i) structural engineering (ii) geotechnical
engineering. (08 Marks)
c. A 200 N vertical force is applied to the end of the lever which is attached to a shaft as shown
in Fig.Q1(c). Determine: (i) Moment of force about '0' (ii) Horizontal force applied at 'A'
which creates same moment about '0' (iii) Minimum force which creates the same
moment about '0'.
Fig.Q 1(c) (06 Marks)
OR
2 a. Determine the resultant of the force system acting on a body as shown in the Fig.Q2(a) with
respect to point '0'.
tin es
300 to.
Fig.Q2(a) (08 Marks)
b. State and prove Varignon's theorem of moments. (06 Marks)
c. 2 kN force is the resultant of a system of forces acting along positive y-axis as shown in
Fig.Q2(c). Determine the value of F and 0.
Fig.Q2(c) (06 Marks)
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First/Second Semester B.E. Degree Examination, June/July 2019
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.
2. Assume missing data suitably.
Module-1
1 a. Briefly explain the role of civil engineers in the infrastructure development of the country.
(06 Marks)
b. Explain briefly the scope of civil engineering in (i) structural engineering (ii) geotechnical
engineering. (08 Marks)
c. A 200 N vertical force is applied to the end of the lever which is attached to a shaft as shown
in Fig.Q1(c). Determine: (i) Moment of force about '0' (ii) Horizontal force applied at 'A'
which creates same moment about '0' (iii) Minimum force which creates the same
moment about '0'.
Fig.Q 1(c) (06 Marks)
OR
2 a. Determine the resultant of the force system acting on a body as shown in the Fig.Q2(a) with
respect to point '0'.
tin es
300 to.
Fig.Q2(a) (08 Marks)
b. State and prove Varignon's theorem of moments. (06 Marks)
c. 2 kN force is the resultant of a system of forces acting along positive y-axis as shown in
Fig.Q2(c). Determine the value of F and 0.
Fig.Q2(c) (06 Marks)
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Module-2
3 a. What is meant by equilibrium? State the conditions of static equilibrium for both coplanar
concurrent and non-concurrent force system. (05 Marks)
b. State and prove Lami's theorem. (05 Marks)
c. Determine the force `P' required to cause the motion of the blocks to impend. Take the
weight of A as 90 N and weight of B as 50 N. Take coefficient of friction for all contact
surfaces as 0.30 as shown in Fig.Q3(c) and consider the pulley being frictionless.
Fig.Q3(c)
OR
4 a. Briefly explain: (i) Angle of friction (ii) Cone of friction.
b. Calculate the tension in the strings. Also calculate '0' in Fig.Q4(b).
evor-).
Fig.Q4(b)
c.
Prove that angle of repose is equal to angle of friction.
(10 Marks)
(04 Marks)
(10 Marks)
(06 Marks)
Module-3
5 a. What are the different types of beams? How do you differentiate them? (06 Marks)
b. List the steps followed in the analysis of truss by method of joints. (06 Marks)
c. Find the length 'X' so that the reactions at both the supports are equal for the beam as shown
in Fig.Q5(c).
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Fig.Q5(c) (08 Marks)
OR
6 a. List the assumptions made in the analysis of trusses. (04 Marks)
b. What are the different types of supports and mark their reaction lines. (06 Marks)
c. Analyze the frame and tabulate the member forces for the frame shown in Fig.Q6(c).
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Fig.Q6(c) (10 Marks)
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