Download DBATU B.Tech 2019 March 4th Semester Strength of Materials (SOM) Question Paper

DR. BABASAHEB AMBEDKAR TECHNOLOGICAL UNIVERSITY, LONERE

Mid Semester Examination – Oct 2019

Course: B. Tech in MECHANICAL ENGINEERING

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Semster: IV

Subject Name: Strength of Material (SOM)

Subject Code: BT-MEC 403

Max Marks: 20 Date: 13th March 2019 Time: 3 pm to 4 pm Duration: 1 Hour

Instructions to the Students:

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1. Assume suitable data wherever necessary and State it clearly.
2. Figures to Right Indicate full Marks.

QUESTIONS

Q.1 Attempt following Questions (6 Marks)

1. Define Stress (CO1, C1, 01 Mark)

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2. Define Poisson's ratio (CO1, C1, 01 Mark)
3. Define Longitudinal Strain (CO1, C1, 01 Mark)
4. Define Core of section (CO1, C1, 01 Mark)
5. Define Proof resilience (CO1, C1, 01 Mark)
6. Define Principal strain (CO1, C1, 01 Mark)

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Q.2 Solve Any TWO of the following.

1. Explain the Stress Strain Curve for brittle material (CO1, C2, 03 Marks)
2. A steel rod 40mm in diameter is 2.5 m long. Find the maximum stress induced when pull of 80 kN is applied I) gradually ii)suddenly also find instantaneous elongation. Take E=200 Gpa Comment on result. (CO2, C4, 03 Marks)
3. Compute normal and shear stress on failure plane if vertical and horizontal normal stress acting on block are 60MPa (tension) and 30 MPa (comp) and shear stress 20 MPa. (CO2, C4, 03 Marks)

Q.3 Solve ANY ONE of the following.

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1. State and derive relation between shear force and bending moment (CO3, C4, 08 Marks)
2. Draw SFD and BMD for the beam as shown in fig. and indicate all the significant values at respective points on the beam . (CO3, C5, 08 Marks)

Best Luck

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