B3B072S Pages: 3

carried by the shaft before failure? (6)
PART B
Answer any three questions.
5. a. Obtain the relation between load, shear force and bending moment (5)
b. Draw the SFD and BMD of a cantilever beam loaded as shown in figure. (5)
30५

2kN/m

ಗಿ காக
kk 46.೯8೩ oem

6. Draw the SFD and BMD for the overhanging beam shown in figure. Indicate the
position and magnitude of maximum bending moment. (10)
10 kN/m 40 KN 10 kN/m

20 kN

7. a. Derive the equation for the theory of pure bending. (6)
b. A rolled steel joist of I section has the dimensions as shown in figure. The beam
carries a uniformly distributed load of 40 kN/mm? run ona span of 10 m, calculate
the maximum stress produced due to bending. (4)

1 mm

IE 0171

‎mm‏ | 2006 ےا
→−−−−−∙

‎8. a. Derive the expression for shear stress in a beam. How it is distributed over the cross
section of a rectangular beam? (5)

‎b. A ‘T’ — section beam 300 mm deep and 150 mm wide has flange and web thickness

‎of 30 mm. The length of the beam is 6 m and simply supported at its ends. It carries

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