Download OU B-Tech First Year 2013 June 2007 Engineering Mechanics Question Paper

Download OU (Osmania University) B.Tech (Bachelor of Technology) First Year (1st Year) 2013 June 2007 Engineering Mechanics Question Paper

Code No. 2007
FACULTY OF ENGINEERING and INFORMATICS
B.E. I ? Year (Common to All) (Main) Examination, June 2013
Subject : Engineering Mechanics
Time : 3 hours
Max. Marks : 75
Note: Answer all questions from Part-A. Answer any FIVE questions from Part-B.
PART ? A (25 Marks)
1. State the Triangular law for concurrent co-planner force system. (2)
2. Write the static equilibrium equations for non-concurrent co-planner force system. (2)
3. Define the angle of friction. (2)
4. State the parallel axis theorem.
(3)
5. Derive the impulse momentum equation.
(3)
6. State the PAPPU's theorems.
(3)
7. The motion of a particle is given by the equations
(
3
)
S = V
I
? 12t
2
? 40, where s is displacement in meter and t is sec. Determine the
acceleration of particle after 2 sec.
8. State D' Alembert's principle. (2)
9. Derive the mass moment of inertia for a rectangular place with thickness t and
density S.
(3)
10. Derive the work-energy principle. (2)
PART ? B (50 Marks)
11.a) The moment of a certain force 'F' is in clockwise about '0' and 90N-m counter
clockwise about B. If is moment about 'A' is zero. Determine the force,
(
5
)
1
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Code No. 2007
FACULTY OF ENGINEERING and INFORMATICS
B.E. I ? Year (Common to All) (Main) Examination, June 2013
Subject : Engineering Mechanics
Time : 3 hours
Max. Marks : 75
Note: Answer all questions from Part-A. Answer any FIVE questions from Part-B.
PART ? A (25 Marks)
1. State the Triangular law for concurrent co-planner force system. (2)
2. Write the static equilibrium equations for non-concurrent co-planner force system. (2)
3. Define the angle of friction. (2)
4. State the parallel axis theorem.
(3)
5. Derive the impulse momentum equation.
(3)
6. State the PAPPU's theorems.
(3)
7. The motion of a particle is given by the equations
(
3
)
S = V
I
? 12t
2
? 40, where s is displacement in meter and t is sec. Determine the
acceleration of particle after 2 sec.
8. State D' Alembert's principle. (2)
9. Derive the mass moment of inertia for a rectangular place with thickness t and
density S.
(3)
10. Derive the work-energy principle. (2)
PART ? B (50 Marks)
11.a) The moment of a certain force 'F' is in clockwise about '0' and 90N-m counter
clockwise about B. If is moment about 'A' is zero. Determine the force,
(
5
)
1
7SAN
9
5

12, Locate the Centroin of the hatcher plate about the axis as shown in fig.3.
I
LicCooi
-
3
Code No. 2007
- 2
-
11.b) Find the resultant for concurrent co-planar force system as shown in fig.2.
7
"
Saki
13. A 100N cylinder shown in fig.4 is held at rest by a weight suspended froma chord
wrapped around the cylinder if the sliping impends between the cylinder and the
inclined, determine the value of `P' & also the co-efficient of Frichon.
(10)
14. Calculate the product of inertia for a shaded area as shown in fig.5 with respect to
given x ? y axis.
(10)
y
14-- 6cm
-iv
.

Fig-5
(
5
)
(10)
X
.. 3
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Code No. 2007
FACULTY OF ENGINEERING and INFORMATICS
B.E. I ? Year (Common to All) (Main) Examination, June 2013
Subject : Engineering Mechanics
Time : 3 hours
Max. Marks : 75
Note: Answer all questions from Part-A. Answer any FIVE questions from Part-B.
PART ? A (25 Marks)
1. State the Triangular law for concurrent co-planner force system. (2)
2. Write the static equilibrium equations for non-concurrent co-planner force system. (2)
3. Define the angle of friction. (2)
4. State the parallel axis theorem.
(3)
5. Derive the impulse momentum equation.
(3)
6. State the PAPPU's theorems.
(3)
7. The motion of a particle is given by the equations
(
3
)
S = V
I
? 12t
2
? 40, where s is displacement in meter and t is sec. Determine the
acceleration of particle after 2 sec.
8. State D' Alembert's principle. (2)
9. Derive the mass moment of inertia for a rectangular place with thickness t and
density S.
(3)
10. Derive the work-energy principle. (2)
PART ? B (50 Marks)
11.a) The moment of a certain force 'F' is in clockwise about '0' and 90N-m counter
clockwise about B. If is moment about 'A' is zero. Determine the force,
(
5
)
1
7SAN
9
5

12, Locate the Centroin of the hatcher plate about the axis as shown in fig.3.
I
LicCooi
-
3
Code No. 2007
- 2
-
11.b) Find the resultant for concurrent co-planar force system as shown in fig.2.
7
"
Saki
13. A 100N cylinder shown in fig.4 is held at rest by a weight suspended froma chord
wrapped around the cylinder if the sliping impends between the cylinder and the
inclined, determine the value of `P' & also the co-efficient of Frichon.
(10)
14. Calculate the product of inertia for a shaded area as shown in fig.5 with respect to
given x ? y axis.
(10)
y
14-- 6cm
-iv
.

Fig-5
(
5
)
(10)
X
.. 3
Code No. 2007
3
15. Derive the expression for the acceleration of a block as shown in fig if (10)
Case 1: is a frictionless pully
Case 2 : friction pully
ON2 > WO
16. A cahin of length 'Ll and wesling w/m-run is released from rest on a smooth table
when it is (10)
Vi-
1.

.......*

t...--- b
In the position as shown in fig. Determine the velocity of the chain while lost link
leaves the table.
17. Write a short note on
a) Compound pendulum (4)
b) Rectilinear & curvilinear motion
(3)
c) Radius of gyration and instantaneous centre of rotation
(3)
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