Theory of Structures A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial load W, the energy stored in the spring, is 4W²Dn/d4N 4WD²n/d4N 4W²D3n/d4N 4W²D3n²/d4N 4W²Dn/d4N 4WD²n/d4N 4W²D3n/d4N 4W²D3n²/d4N ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is WL/AE W²L/2AE WL/2AE W²L/AE WL/AE W²L/2AE WL/2AE W²L/AE ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Maximum principal stress theory for the failure of a material at elastic point, is known Rankine's theory Guest's or Trecas' theory Von Mises' theory St. Venant's theory Rankine's theory Guest's or Trecas' theory Von Mises' theory St. Venant's theory ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures a uniform circular bar of diameter d and length , which extends by an The deflection of amount under a tensile pull , when it carries the same load at its mid-span, is e²l²/3d² el/2d el²/3d² ee²l/3d² e²l²/3d² el/2d el²/3d² ee²l/3d² ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures At yield point of a test piece, the material Undergoes plastic deformation Behaves in an elastic manner Regains its original shape on removal of the load Obeys Hooke’s law Undergoes plastic deformation Behaves in an elastic manner Regains its original shape on removal of the load Obeys Hooke’s law ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A rolled steel joist is simply supported at its ends and carries a uniformly distributed load which causes a maximum deflection of 10 mm and slope at the ends of 0.002 radian. The length of the joist will be, 16 m 13 M 15 M 14 M 16 m 13 M 15 M 14 M ANSWER DOWNLOAD EXAMIANS APP
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