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

Download DBATU (Dr. Babasaheb Ambedkar Technological University) B Tech 2019 March (Bachelor of Technology) 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
Semster : IV
Subject Name: Strength of Material (SOM) Subject Code: BT-MEC 403
Max Marks: 20 Date: 13?? March 2019 Time: 3 pm to 4 pm Duration: 1 Hour
? Instructions to the Students:
1. Assume suitable data wherever necessary and State it clearly.
2. Figures to Right Indicate full Marks.
QUESTIONS (CO) (Level) Mark
Q. 1 Attempt following Questions (6 Marks) ' .
1. De?ne Stress COlr C1 01
2. De?ne Poisson's ratio C01 C1 01
3. De?ne Longitudinal Stain C01 V C1 01
4. De?ne Core of section C01 C1 01
5. De?ne Proof resilience C01 C1 01
6. De?ne Principal strain C01 C1 01
Q.2 Solve Any TWO of the following.
(A Explain the Stress Strain Curve for brittle material C01 C2 03
(B) A steel rod 40mm in diameter is 2.5 m long . Find the maximum stress C02 C4 03
induced when pull of 80 kN is applied I) gradually ii)suddenly also ?nd
instantaneous elogation. Take E=200 Gpa Comment on result.
(C) Compute normal and shere stress on failure plane if vertical and horizontal C02 C4 03
' ' ' normal stress acting on block are 60MPa (tension) and 30 MPa (comp)
and shere stress 20 MPa . ?
Q. 3 Solve ANY ONE of the following.
(A State and derive relation between shear force and bending moment CO3 C4 08
(B) C03 C5 08
Dfaw SFD and BMD for the beam as shown in ?g. and indicate all the
signi?cant values at respective points on the beam .
Best Luck