Download SGBAU B-Tech 3rd Sem Chemical Engineering Strength Of Materials Question Paper

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B.Tech. Third Semester (Chemical Engineering) (CGS)

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10985 : Strength of Materials : 3 CH 03 /3 PP 03/3 CT 03

P. Pages : 3 ; AW -2996

Time : Three Hours Max. Marks : 80

Notes:

1. Due credit will be given to neatness and adequate dimensions.

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2. Assume suitable data wherever necessary.
3. Illustrate your answer necessary with the help of neat sketches.

SECTION - A

1. a) Derive relation between Bulk modulus and Young's modulus. 5
   b) A rectangular block 400mmx250mmx100mm is subjected to axial loads as follows : 9
   

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   i) 500 kN tensile in the direction of its length.
   ii) 750 kN tensile on 400mm x100mm faces.
   iii) 1000 kN compressive on 400mmx250mm faces.
   Assume p=0.25 and E =2x10⁵ N/mm²
   Find volumetric strain and change in volume.

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OR

2. a) Explain the behaviors of ductile material under tensile load. 5
   b) A compound bar consisting of steel and aluminum as shown in fig. 1 is connected two 9
   grips at the ends at temperature of 60°C find the stresses in two rods when temperature
   falls to 20°C.
   

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