## Download Previous year Diploma Paper of Strength of Material SOM 4th Sem/5309/May 2018 Diploma Paper

## Strength of Material SOM 4th Sem/5309/May 2018 Diploma Paper

**Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â SECTION-A**

**Q1. Do as directed.****Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 10×1.5=15**

#### Â a. The deformation per unit length is called ____________

Â b. MOI of a triangular section about its base is ____________

Â c. B.M. is _________ at a section where S.F. is Zero after changing its sign.

Â d. The strength of beam is proportional to its ____________

Â e. If the strut is vertical it is known as _______________

Â f. The polar modulus of a solid shaft= _______________

Â g. The torque produces _________ in a member.

Â h. A spring is used to absorb energy due to _____________

Â i. A length of wire when wound in a helix form is called __________

Â j. The bending stress on the neutral axis is _____________________

## Â **Â Â Â Â Â Â SECTION-B**

**Q2. Attempt any five questions.Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 5×6=30**

#### Â Â i. Define: i) Youngâ€™s modulus of elasticity ii) Modulus of rigidity.

Â ii. State and prove the theorem of perpendicular axis.

Â iii. Draw S.F. and B.M. diagrams for a cantilever carrying u.d.l. on its span.

Â iv. What do you understand by neutral axis and moment of resistance?

Â v. A load of 50 kN is suddenly applied to a steel rod 2m long and 1000 mm2 in cross-section. Determine the strain energy that can be absorbed, if E=200 KN/mm2.

Â vi. Define: i) Slenderness ratio, ii) Bulking factor iii) Bulking load..

Â vii. A close-coiled spring has radius of 40mm and length of 320mm. It is required to extend 21mm under a pull of 185 N. If C=84 GN/m2, determine the diameter of the wire.

**Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â SECTION-C**

**Q3. Attempt any three questions.****Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 3×10=30**

#### Â a. A brass bar, having cross sectional area of 1000 mm2 , subjected to axial forces as shown in fig.. Find the total elongation of bar. Take E = 1X105 N/mm2.

b. A simply supported beam 6m long is carrying a uniformly distributed load of 2KN/m over a length of 3m from the left end. Draw the S.F. and B.M. diagrams for the beam and also calculate the maximum B.M. on the section.

c. A rectangular beam 300mm deep 150mm wide is simply supported over a span of 8m. Find the maximum uniformly distributed load that the beam can carrying, if the stress is not exceed 120 N/mm2.

d. A solid steel shaft has to transmit 75 KW at 200 r.p.m. taking allowable shear stress as 70 MN/m2. Find suitable diameter for the shaft, if the maximum torque transmitted on each revolution exceeds the mean by 30%.

#### The deformation per unit length is called ____________

#### MOI of a triangular section about its base is ____________

#### B.M. is _________ at a section where S.F. is Zero after changing its sign.

#### The strength of beam is proportional to its ____________

#### If the strut is vertical it is known as _______________

#### The polar modulus of a solid shaft= _______________

#### The torque produces _________ in a member.

#### A spring is used to absorb energy due to _____________

#### A length of wire when wound in a helix form is called __________

#### The bending stress on the neutral axis is _____________

##### Strength of Material SOM 4th Sem/5309/May 2018 Diploma PaperÂ Click Here

#### i) Youngâ€™s modulus of elasticity

#### ii) Modulus of rigidity.

#### Prove the theorem of perpendicular axis.

#### Draw S.F. and B.M. diagrams for a cantilever carrying u.d.l. on its span.

#### Neutral axis and moment of resistance.

#### Load of 50 kN is suddenly applied to a steel rod 2m long and 1000 mm2 in cross-section. Determine the strain energy that can be absorbed, if E=200 KN/mm2.

#### Â i) Slenderness ratio

#### ii) Bulking factor

#### iii) Bulking load.

#### Close-coiled spring has radius of 40mm and length of 320mm. It is required to extend 21mm under a pull of 185 N. If C=84 GN/m2, determine the diameter of the wire.

##### Strength of Material SOM 4th Sem/5309/May 2018 Diploma Paper Click Here

#### Brass bar, having cross sectional area of 1000 mm2 , subjected to axial forces as shown in fig.. Find the total elongation of bar. Take E = 1X105 N/mm2.

#### Simply supported beam 6m long is carrying a uniformly distributed load of 2KN/m over a length of 3m from the left end. Draw the S.F. and B.M. diagrams for the beam and also calculate the maximum B.M. on the section.

#### Rectangular beam 300mm deep 150mm wide is simply supported over a span of 8m. Find the maximum uniformly distributed load that the beam can carrying, if the stress is not exceed 120 N/mm2.

#### Solid steel shaft has to transmit 75 KW at 200 r.p.m. taking allowable shear stress as 70 MN/m2. Find suitable diameter for the shaft, if the maximum torque transmitted on each revolution exceeds the mean by 30%.

###### Strength of Material SOM 4th Sem/5309/May 2018 Diploma **Paper Contact Us**

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