### Theory of Structures

11. The ratio of the length and depth of a simply supported rectangular beam which experiences maximum bending stress equal to tensile stress, due to same load at its mid span, is

1. 43497
2. 43526
3. 43556
4. 43525

43526

12. Co-efficient of wind resistance of a circular surface, is

1. 43497
2. 43525
3. 43526
4. 43499

43526

13. If the strain energy stored per unit volume in a hollow shaft subjected to a pure torque when t attains maximum shear stress fs the ratio of inner diameter to outer diameter, is 17/64 (fs/N)

1. 43497
2. 43525
3. 43556
4. 43586

43556

14. A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be

1. 43526
2. 43499
3. 43682
4. 43593

43593

15. A short column (30 cm × 20 cm) carries a load P1 at 4 cm on one side and another load P2at 8 cm on the other side along a principal section parallel to longer dimension. If the extreme intensity on either side is same, the ratio of P1 to P2 will be

1. 43526
2. 43499
3. 43593
4. 43682

43593

16. The ratio of maximum shear stress to average shear stress of a circular beam, is

1. 43526
2. 43499
3. 43558
4. 43528

43528

17. The ratio of the stresses produced by a suddenly applied load and by a gradually applied load on a bar, is

1. 43556
2. 43497
3. 1
4. 2

2

18. The ratio of the deflections of the free end of a cantilever due to an isolated load at 1/3rd and 2/3rd of the span, is

1. 43647
2. 43648
3. 43649
4. 43587

43648

19. The ratio of the maximum deflections of a simply supported beam with a central load W and of a cantilever of same length and with a load W at its free end, is

1. 43678
2. 43739
3. 43800
4. 42370