Download VTU ((Visvesvaraya Technological University) B.E/B-Tech 2019 July ( Bachelor of Engineering) First & Second Semester (1st Semester & 2nd Semester) 18 Scheme l8CIV14 Elements of Civil Engineering and Mechanics Question Paper
2 a. Explain briefly,
i) Law of physical independency of forces.
ii) Law of superposition of forces. (06 Marks)
b. State and prove Varignon's law of moments. (06 Marks)
c. Find the moment of 100kN force acting on a rigid body ABC as shown in Fig.Q.2(c), about
point A. (08 Marks)
itrn o4
e
0 0 0 N
30
Fig.Q.3(c)
1 of 3
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18CIV14
First Semester B.E. Degree Examination, Dec.2018/Jan.2019
Elements of Civil Engineering and Mechanics
Time: 3 hrs. Max. Marks: 100
Note: Answer any FIVE full questions, choosing
ONE full question from each module.
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Module-1
1 a. Briefly explain the scopes of branches:
i) Transportation Engineering
ii) Geotechnical Engineering. (10 Marks)
b. What are the effects of infrastructural facilities on socio-economic development of a
country? (05 Marks)
c. What is the role of a civil engineer in infrastructural development of a country? (05 Marks)
OR
A
Fig.Q.2(c)
Module-2
3 a. Define Free Body Diagram, with the help of at least two examples. What is the importance
of drawing a F.B.D (Free Body Diagram) in Engineering Mechanics? (05 Marks)
b. What are the laws of dry friction? (05 Marks)
c. A mass of 580 kg resting on a rough inclined plane is acted upon by a 6000N force as shown
in Fig.Q.3(e). If the coefficient of friction is 0.25 at point of contact, check whether the body
slides up or down. (10 Marks)
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2 a. Explain briefly,
i) Law of physical independency of forces.
ii) Law of superposition of forces. (06 Marks)
b. State and prove Varignon's law of moments. (06 Marks)
c. Find the moment of 100kN force acting on a rigid body ABC as shown in Fig.Q.2(c), about
point A. (08 Marks)
itrn o4
e
0 0 0 N
30
Fig.Q.3(c)
1 of 3
?04
18CIV14
First Semester B.E. Degree Examination, Dec.2018/Jan.2019
Elements of Civil Engineering and Mechanics
Time: 3 hrs. Max. Marks: 100
Note: Answer any FIVE full questions, choosing
ONE full question from each module.
? ?,
to
C
o II
oc
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a) 4
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- cNi
Module-1
1 a. Briefly explain the scopes of branches:
i) Transportation Engineering
ii) Geotechnical Engineering. (10 Marks)
b. What are the effects of infrastructural facilities on socio-economic development of a
country? (05 Marks)
c. What is the role of a civil engineer in infrastructural development of a country? (05 Marks)
OR
A
Fig.Q.2(c)
Module-2
3 a. Define Free Body Diagram, with the help of at least two examples. What is the importance
of drawing a F.B.D (Free Body Diagram) in Engineering Mechanics? (05 Marks)
b. What are the laws of dry friction? (05 Marks)
c. A mass of 580 kg resting on a rough inclined plane is acted upon by a 6000N force as shown
in Fig.Q.3(e). If the coefficient of friction is 0.25 at point of contact, check whether the body
slides up or down. (10 Marks)
0
z
ct
0
ta4
Sockst".
?
CHIKODI
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70.- A
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OR
4 a. State and prove Lami's theorem.
bee
....-
(04 Marks,
,
b. Find the reactions developed at contact points A, B and Csupporting two identical rollers
each of weight 1000N as shown in Fig.Q.4(b) (06 Marks)
Fig.Q.4(b)
c. A ladder 4m long and weighing 200N is placed, against a vertical wall and rests on a
horizontal floor making arC angle 60? with the floor: The coefficient of friction betwe--1
ladder and floor is 0.3 and that between ladder and wall is 0.2. The ladder in addition to its
own weight suppOrts a person weighing 600N at a distance of 3m from the floor along the
ladder. Calculate the minimum force `P' to be applied horizontally at the floor level on the
ladder to keep it in equilibrium. (10 Marks)
Module-3
5 a. Deterniine the support reactions in case of a simply supported beam shown in Fig.Q.5(a).
(06 Marks)
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Fig.Q.5(a)
b.
Analyze the truss shown in Fig.Q5(b) to find member forces in member BC, CH and GH by
method of sections. (14 Marks)
,10 kJ
2 ok.1,1
5Dg
Fig.Q5(b)
OR
6 a.
Differentiate statically determinate and indeterminate structures with examples for each
(06 Marks)
b. Determine member threes 'in the truss shown in Fig.Q.6(b).
? (14 Marks)
?
1- 5.r. 1 ? Sh, 1. 6 67 1 ? 15 tn i-Sro i - 5112 Ft
. ...._ . ,... ?
51e.1
,
1
3
t o
Lt.&
Fig.Q.6(b)
FirstRanker.com - FirstRanker's Choice
USN
2 a. Explain briefly,
i) Law of physical independency of forces.
ii) Law of superposition of forces. (06 Marks)
b. State and prove Varignon's law of moments. (06 Marks)
c. Find the moment of 100kN force acting on a rigid body ABC as shown in Fig.Q.2(c), about
point A. (08 Marks)
itrn o4
e
0 0 0 N
30
Fig.Q.3(c)
1 of 3
?04
18CIV14
First Semester B.E. Degree Examination, Dec.2018/Jan.2019
Elements of Civil Engineering and Mechanics
Time: 3 hrs. Max. Marks: 100
Note: Answer any FIVE full questions, choosing
ONE full question from each module.
? ?,
to
C
o II
oc
? csi
ci)
a) 4
? 0
o
u
0
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73' 8
t.0
^c)
? czt
-
CI
riz
5 2
cc
o c
l):
U
? . 0
?
CZ
(L)
0 ?
t?i)
?".
4
8 ?
E >
o
0
?
<
- cNi
Module-1
1 a. Briefly explain the scopes of branches:
i) Transportation Engineering
ii) Geotechnical Engineering. (10 Marks)
b. What are the effects of infrastructural facilities on socio-economic development of a
country? (05 Marks)
c. What is the role of a civil engineer in infrastructural development of a country? (05 Marks)
OR
A
Fig.Q.2(c)
Module-2
3 a. Define Free Body Diagram, with the help of at least two examples. What is the importance
of drawing a F.B.D (Free Body Diagram) in Engineering Mechanics? (05 Marks)
b. What are the laws of dry friction? (05 Marks)
c. A mass of 580 kg resting on a rough inclined plane is acted upon by a 6000N force as shown
in Fig.Q.3(e). If the coefficient of friction is 0.25 at point of contact, check whether the body
slides up or down. (10 Marks)
0
z
ct
0
ta4
Sockst".
?
CHIKODI
LIBRARY g
>"1.
-ai
..
70.- A
s c .
Sock ? -
-N?
18CI
OR
4 a. State and prove Lami's theorem.
bee
....-
(04 Marks,
,
b. Find the reactions developed at contact points A, B and Csupporting two identical rollers
each of weight 1000N as shown in Fig.Q.4(b) (06 Marks)
Fig.Q.4(b)
c. A ladder 4m long and weighing 200N is placed, against a vertical wall and rests on a
horizontal floor making arC angle 60? with the floor: The coefficient of friction betwe--1
ladder and floor is 0.3 and that between ladder and wall is 0.2. The ladder in addition to its
own weight suppOrts a person weighing 600N at a distance of 3m from the floor along the
ladder. Calculate the minimum force `P' to be applied horizontally at the floor level on the
ladder to keep it in equilibrium. (10 Marks)
Module-3
5 a. Deterniine the support reactions in case of a simply supported beam shown in Fig.Q.5(a).
(06 Marks)
3?0Ni .
1
frn
Fig.Q.5(a)
b.
Analyze the truss shown in Fig.Q5(b) to find member forces in member BC, CH and GH by
method of sections. (14 Marks)
,10 kJ
2 ok.1,1
5Dg
Fig.Q5(b)
OR
6 a.
Differentiate statically determinate and indeterminate structures with examples for each
(06 Marks)
b. Determine member threes 'in the truss shown in Fig.Q.6(b).
? (14 Marks)
?
1- 5.r. 1 ? Sh, 1. 6 67 1 ? 15 tn i-Sro i - 5112 Ft
. ...._ . ,... ?
51e.1
,
1
3
t o
Lt.&
Fig.Q.6(b)
18C1V14
Module-4
7 a. Derive the expression for centroid of a semi-circle from first principle. (06 Marks)
b. Determine the centroid of shaded area of composite shown in Fig.Q.7(b) with respect to
origin '0'. (14 Marks)
? D
dr*" ?
4-- ovnwit soo
Fig.Q.7(b)
OR
8 a. State and prove Parallel axis theorem. (06 Marks)
b. Find radius of gyration of plane lamina about its horizontal centroidal axis shown in
Fig.Q.8(b). (14 Marks)
e.
ovin $0 vim
Fig.Q.8(b)
Module-5
9 a. Two cars P and Q accelerates from a standing start. The acceleration of P is 1.3 m/s
2
and that
of Q is 1.6 m/s
2
. If Q was originally 6m behind P, how long it takes to overtake P? (10 Marks)
b. A stone 'A' is dropped from top of a tower 50m neigh. At the same time another stone 'EV is
thrown up from the foot of the tower with the velocity of 25m/s. At what distance from top
and after how much time the two stones will cross each other. (10 Marks)
OR
10 a. State D' Alembert's principle and write significance of it structural dynamics. (06 Marks}
b.
A cricket ball is thrown by a fielder in the ground from a height of 3m at an angle of 40?
with the horizontal. The velocity with which the ball is thrown is 30m/s. The ball hits the
wicket at a height of 0.3m from ground. Determine the distance of the fielder from the
wicket when the ball is thrown. (14 Marks)
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CHIKOCX
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This post was last modified on 01 January 2020