Test Paper - Strength Of Materials - Mumbai University - Chemical Engineering - 4th Semester - 2007, Study notes of Materials Physics

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ak Cchwrnieed ) C Gorse MY CP) pec- 2-°2) H Gub:- Spengrn of prion als. 4878-07. (REVISED COURSE) CD-5880 qopats -s (3 Hours) [ Total Marks : 100 Question No. 1:is compulsory. Attempt any four out of remaining six questions. Assumptions made should be clearly stated. < Assume any suitable data wherever required with justification. Figures to the right indicate full marks. Illustrate answers with sketches wherever required. ) Define and explain the following :— 6 (i) Modulus of rigidity (ii) Complimentary shear (iii) Hooks Law. Derive the following expressions with usual relations —— 8 . Mi ” () o=a 7 Sa Ww a=" 2 Derive expression for Euler's critical load for column fixed at one end and free at otherend. 6 Draw the SED and BMD for a simply supported beam AB of span 8 metres carrying 10 concentrated loads of 4 KN, 10 kN and 7 KN at distances of 1-5 metres, 4 metres and 6 metres from the left support. LK yKN RN A Sm usm 2m 2m & c D E < 3m - Naz lokKN Nib= IKY Fwo wooden pieces 10 cm x 10 om in cross section are glued together along line AB as 10 ‘ehown in figure. What maximum axial force P can be applied if the allowable shearing and explain in brief :-— 20 Hooks Law (f) Principal stresses Point of Contra-flexure (g) Standardness Ratio Section Modulus (h) Angle of Obliquity Care as Kernal of the section (i) Hoop stress Complimentary shear (]). Torsional rigidity. [ TURN OVER