WBUT 2013 STRENGTH OF MATERIALS Question Paper (Paper Code ME-302)

Submitted by Firebird on Sun, 12/29/2013 - 20:00

Mechanical Engineering

CS/B.TECH/(ME/PE/PWE/AUE)-(New)/SEM-3/ME-302/2013-14

2013

STRENGTH OF MATERIALS

Time Allotted : 3 Hours                                    Full Marks : 70

The figures in the margin indicate full marks.

Candidates are required to give their answers in their own words

as far as practicable.

GROUP – A

(Multiple Choice Type Question)

1.       Choose the correct alternatives for any ten of the following:
                                                                                               10 x 1 = 10

          i)        Which of the following is statically indeterminate structure?

                   a)       A load supported on one member

                   b)       A load supported on two members

                   c)       A load supported on three members

                   d)       Either (a) or (b).

          ii)       If a composite bar is cooled, then the nature of stress in the part with high coefficient of thermal expansion will be

                   a)       tensile                            b)       zero

                   c)       compressive                    d)       none of these.

          iii)      The bulk modulus of body is equal to

                   a)       mE/3(m-2)               b)       mE/2(m+2)

                   c)       mE/2(m-2)               d)       mE/2(m+2)

                   where 1/m =μ = Poisson’s ratio for the bar material, E=modulus of elasticity of the material.

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