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OAS INSTITUTE OF TECHNOLOGY AND MANAGEMENT, PULIVALAM-621 006 DEPARTMENT OF MECHNAICAL ENGINNERING UNIT TEST V CE 6402 STRENGTH OF MATERIALS(SET-1) SEM/YEAR III/II DATE: PART-A
1.Define modulus of resilience. 2.State
the relationship between young’s modulus and modulus of rigidity.
3.What are the types of elastic costants.
4.What is mohr’s circle method?and write its uses.
5.Define principal plane and principal stresses.
PART-B
6. A load of 200N falls through a height of 20mm onto a collar rigidly attached to the lower end of a vertical bar 2000mm long and of 1.5cm
2
cross sectional area. The upper end of vertical bar is fixed. Find 1. Maximum instantaneous stress, 2.Maximum instantaneous elongation, 3. Strain energy. Take E=2X10
5
N/mm
2
. OR 7. A load of 150N falls by gravity of vertical distance of 4m, when it is suddenly stopped by a collar at the end of a vertical rod of length 50cm and diameter 30mm. The top of bar is rigidly fixed to a ceiling. Calculate maximum stress and strain induced in the bar. Take E=2X10
5
/mm
2
. 8. A cage weighing 60Kn is attached to the end of a steel wire rope. It is lowered down a mine shaft with a constant velocity of 1m/s. What is maximum stress produced in the rope when its supporting drum is suddenly jammed? The free length of the rope at the moment of jamming is 15m, its net cross sectional area is 25cm
2
, and E=2X10
5
N/mm
2
. The self-weight of the wire rope may be neglected. OR 9.a]A steel cantilever 6m long carries two point loads, 15kN at the free end and 25kN at a distance of 2.5m from the free end. Find, 1. Slope at the free end. 2. Deflection at the free end.
Take I=1.3×10⁸mm⁴ and E=2×10
5
N/mm². 9.b]A cantilever projecting 3m from a wall carries a UDL of 12kN/m for a length of 2m from the fixed end and a point load of 1.5kN at the free end. Find the deflection at the free end. Take
E=2×10⁵N/mm
2
and I=1×10⁸mm⁴.
Prepared by Approved by checked by
OAS INSTITUTE OF TECHNOLOGY AND MANAGEMENT, PULIVALAM-621 006 DEPARTMENT OF MECHNAICAL ENGINNERING UNIT TEST V CE 6402 STRENGTH OF MATERIALS(SET-1) SEM/YEAR III/II DATE: PART-A
1.Define modulus of resilience.
2.State the relationship between young’s modulus and modulus of rigidity.
3.What are the types of elastic costants.
4.What is mohr’s circle method?and write its uses.
5.Define principal plane and principal stresses.
PART-B
6. A load of 200N falls through a height of 20mm onto a collar rigidly attached to the lower end of a vertical bar 2000mm long and of 1.5cm
2
cross sectional area. The upper end of vertical bar is fixed. Find 1. Maximum instantaneous stress, 2.Maximum instantaneous elongation, 3. Strain energy. Take E=2X10
5
N/mm
2
. OR 7. A load of 150N falls by gravity of vertical distance of 4m, when it is suddenly stopped by a collar at the end of a vertical rod of length 50cm and diameter 30mm. The top of bar is rigidly fixed to a ceiling. Calculate maximum stress and strain induced in the bar. Take E=2X10
5
/mm
2
. 8. A cage weighing 60Kn is attached to the end of a steel wire rope. It is lowered down a mine shaft with a constant velocity of 1m/s. What is maximum stress produced in the rope when its supporting drum is suddenly jammed? The free length of the rope at the moment of jamming is 15m, its net cross sectional area is 25cm
2
, and E=2X10
5
N/mm
2
. The self-weight of the wire rope may be neglected. OR 9.a]A steel cantilever 6m long carries two point loads, 15kN at the free end and 25kN at a distance of 2.5m from the free end. Find, 1. Slope at the free end. 2. Deflection at the free end.
Take I=1.3×10⁸mm⁴ and E=2×10
5
N/mm². 9.b]A cantilever projecting 3m from a wall carries a UDL of 12kN/m for a length of 2m from the fixed end and a point load of 1.5kN at the free end. Find the deflection at the free end. Take
E=2×10⁵N/mm
2
and I=1×10⁸mm⁴.
Prepared by Approved by checked by
OAS INSTITUTE OF TECHNOLOGY AND MANAGEMENT, PULIVALAM-621 006 DEPARTMENT OF MECHNAICAL ENGINNERING UNIT TEST V CE 6402 STRENGTH OF MATERIALS(SET-2) SEM/YEAR III/II DATE: PART-A
1.Define resilience.
2.State the relationship between young’s modulus and
bulk modulus. 3.What are the types of elastic costants.
4.What is mohr’s circle method?and write its uses.
5.Define principal plane and principal stresses.
PART-B
6. A load of 300N falls through a height of 30mm onto a collar rigidly attached to the lower end of a vertical bar 2200mm long and of 2cm
2
cross sectional area. The upper end of vertical bar is fixed. Find 1. Maximum instantaneous stress, 2.Maximum instantaneous elongation, 3. Strain energy. Take E=2X10
5
N/mm
2
. OR 7. A load of 200 N falls by gravity of vertical distance of 4.5m, when it is suddenly stopped by a collar at the end of a vertical rod of length 55cm and diameter 30mm. The top of bar is rigidly fixed to a ceiling. Calculate maximum stress and strain induced in the bar. Take E=2X10
5
/mm
2
. 8. A cage weighing 70kN is attached to the end of a steel wire rope. It is lowered down a mine shaft with a constant velocity of 1m/s. What is maximum stress produced in the rope when its supporting drum is suddenly jammed? The free length of the rope at the moment of jamming is 17m, its net cross sectional area is 30cm
2
, and E=2X10
5
N/mm
2
. The self-weight of the wire rope may be neglected. OR 9. a]A steel cantilever 6m long carries two point loads, 15kN at the free end and 35kN at a distance of 2m from the free end. Find, 1. Slope at the free end. 2. Deflection at the free end.
Take I=1.3×10⁸mm⁴ and E=2×10
5
N/mm². 9 .b]A cantilever projecting 3m from a wall carries a UDL of 15kN/m for a length of 2.5m from the fixed end and a point load of 1.5kN at the free end. Find the deflection at the free end. Take
E=2×10⁵N/mm
2
and I=1.5
×10⁸mm⁴.
Prepared by Approved by checked by
OAS INSTITUTE OF TECHNOLOGY AND MANAGEMENT, PULIVALAM-621 006 DEPARTMENT OF MECHNAICAL ENGINNERING UNIT TEST V CE 6402 STRENGTH OF MATERIALS(SET-2) SEM/YEAR III/II DATE: PART-A
1.Define resilience.
2.State the relationship between young’s modulus and
bulk modulus. 3.What are the types of elastic costants.
4.What is mohr’s circle method?and write its uses.
5.Define principal plane and principal stresses.
PART-B
6. A load of 300N falls through a height of 30mm onto a collar rigidly attached to the lower end of a vertical bar 2200mm long and of 2cm
2
cross sectional area. The upper end of vertical bar is fixed. Find 1. Maximum instantaneous stress, 2.Maximum instantaneous elongation, 3. Strain energy. Take E=2X10
5
N/mm
2
. OR 7. A load of 200 N falls by gravity of vertical distance of 4.5m, when it is suddenly stopped by a collar at the end of a vertical rod of length 55cm and diameter 30mm. The top of bar is rigidly fixed to a ceiling. Calculate maximum stress and strain induced in the bar. Take E=2X10
5
/mm
2
. 8. A cage weighing 70kN is attached to the end of a steel wire rope. It is lowered down a mine shaft with a constant velocity of 1m/s. What is maximum stress produced in the rope when its supporting drum is suddenly jammed? The free length of the rope at the moment of jamming is 17m, its net cross sectional area is 30cm
2
, and E=2X10
5
N/mm
2
. The self-weight of the wire rope may be neglected. OR 9. a]A steel cantilever 6m long carries two point loads, 15kN at the free end and 35kN at a distance of 2m from the free end. Find, 1. Slope at the free end. 2. Deflection at the free end.
Take I=1.3×10⁸mm⁴ and E=2×10
5
N/mm². 9 .b]A cantilever projecting 3m from a wall carries a UDL of 15kN/m for a length of 2.5m from the fixed end and a point load of 1.5kN at the free end. Find the deflection at the free end. Take
E=2×10⁵N/mm
2
and I=1.5
×10⁸mm⁴.
Prepared by Approved by checked by

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