Theory of Structures A load of 1960 N is raised at the end of a steel wire. The minimum diameter of the wire so that stress in the wire does not exceed 100 N/mm² is: 5.5 mm 5.0 mm 4.5 mm 4.0 mm 5.5 mm 5.0 mm 4.5 mm 4.0 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures The ratio of maximum and average shear stresses on a rectangular section, is 2.5 1.25 1 1.5 2.5 1.25 1 1.5 ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures At yield point of a test piece, the material 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 Undergoes plastic deformation Behaves in an elastic manner Regains its original shape on removal of the load ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A shaft is subjected to bending moment M and a torque T simultaneously. The ratio of the maximum bending stress to maximum shear stress developed in the shaft, is 2T/M 2M/ T M/T T/M 2T/M 2M/ T M/T T/M ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures Total strain energy theory for the failure of a material at elastic limit, is known Guest’s or Trecas’ theory St. Venant’s theory Haig’s theory Rankine’s theory Guest’s or Trecas’ theory St. Venant’s theory Haig’s theory Rankine’s theory ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures An isolated load W is acting at a distance a from the left hand support, of a three hinged arch of span 2l and rise h hinged at the crown, the horizontal reaction at the support, is Wa/2h 2W/ha 2h/Wa Wa/h Wa/2h 2W/ha 2h/Wa Wa/h ANSWER DOWNLOAD EXAMIANS APP
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