Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 1st And 2nd Sem New And Spfu ENG004 Mechanics Of Solids Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? I & II (SPFU) EXAMINATION ? WINTER 2019
Subject Code: ENG004 Date: 02/01/2020
Subject Name: Mechanics Of Solids
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt any five questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Define Force and classify the force system with neat sketch. 07
(b) Draw bending moment diagram and shear force diagram for a simply 07
supported beam of length ?L?, subjected to udl of ?w? kN/m throughout the
length and ?W? at the center of a beam.
07
Q.2 (a) i) Define : Angle of Repose.
ii) State and explain the Laws of Static friction.
07
(b) Derive the relation between shear force and bending moment. 07
Q.3 (a) Define: (i) Vector quantities (ii) Resolution of force (iii) Couple 07
(b) An M. S. bar of 25 mm diameter and change in length is 0.1 m acted upon by a
tensile force of 100 kN. If the length of bar is 1.2 m and modulus of elasticity is
2.0 X 10
5
N/mm
2
. Find stress, strain and elongation of the bar.
07
Q.4 (a) For a bar shown in figure.1 find the diameter of the middle portion, if the stress
at that location is to be limited to 140 N/mm
2
. Also find the total change in the
length of the bar. E = 2 X 10
5
N/mm
2
07
(b) Determine the support reactions of a cantilever beam having length ?L?
subjected to point load ?W? at tip and ?W/2? at the center of a beam.
07
Q.5 (a) Determine the horizontal force required to cause the motion of the block
weighing 550N as shown in fig.2. Take ?= 0.55.
a. To impend the motion downward.
b. To impend up the plane.
07
(b) State the condition of equilibrium for Co-planner force system. 07
Q.6 (a) Find out centroid of thin homogeneous wire as shown in figure 3. 07
(b) Derive relation between bulk modulus (K), Poisson?s ratio (1/m), and modulus
of elasticity (E).
07
Q.7 (a) Draw the Shear force and Bending Moment diagram of Beam given in Fig. 4 07
(b)
i) Define: Coefficient of Static Friction and state the Laws of Friction.
ii) Define: 1]Point of Contra flexure, 2] Shear force
07
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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? I & II (SPFU) EXAMINATION ? WINTER 2019
Subject Code: ENG004 Date: 02/01/2020
Subject Name: Mechanics Of Solids
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt any five questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Define Force and classify the force system with neat sketch. 07
(b) Draw bending moment diagram and shear force diagram for a simply 07
supported beam of length ?L?, subjected to udl of ?w? kN/m throughout the
length and ?W? at the center of a beam.
07
Q.2 (a) i) Define : Angle of Repose.
ii) State and explain the Laws of Static friction.
07
(b) Derive the relation between shear force and bending moment. 07
Q.3 (a) Define: (i) Vector quantities (ii) Resolution of force (iii) Couple 07
(b) An M. S. bar of 25 mm diameter and change in length is 0.1 m acted upon by a
tensile force of 100 kN. If the length of bar is 1.2 m and modulus of elasticity is
2.0 X 10
5
N/mm
2
. Find stress, strain and elongation of the bar.
07
Q.4 (a) For a bar shown in figure.1 find the diameter of the middle portion, if the stress
at that location is to be limited to 140 N/mm
2
. Also find the total change in the
length of the bar. E = 2 X 10
5
N/mm
2
07
(b) Determine the support reactions of a cantilever beam having length ?L?
subjected to point load ?W? at tip and ?W/2? at the center of a beam.
07
Q.5 (a) Determine the horizontal force required to cause the motion of the block
weighing 550N as shown in fig.2. Take ?= 0.55.
a. To impend the motion downward.
b. To impend up the plane.
07
(b) State the condition of equilibrium for Co-planner force system. 07
Q.6 (a) Find out centroid of thin homogeneous wire as shown in figure 3. 07
(b) Derive relation between bulk modulus (K), Poisson?s ratio (1/m), and modulus
of elasticity (E).
07
Q.7 (a) Draw the Shear force and Bending Moment diagram of Beam given in Fig. 4 07
(b)
i) Define: Coefficient of Static Friction and state the Laws of Friction.
ii) Define: 1]Point of Contra flexure, 2] Shear force
07
2
Fig. 1 Fig. 2
Fig. 3 Fig. 4
*************
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This post was last modified on 20 February 2020