Mechanics Of Materials & Structures Online Test - Paper 3
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Mechanics of Materials & Structures Online Test – Paper 3

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Created by 83a36dcfd5c4caff12bc80f0020c9c749e12cbbbdb7c406dc1dd39996cb85836?s=32&d=monsterid&r=g gkaimVikash chaudhary

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  • Total Questions: 50
  • Time Allotted: 50 minutes
  • Passing Score: 70%
  • Randomization: Yes
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1. *When the equal and opposite forces are applied to a body, tending to elongate it, then the stress produced is called

2 / 50

2. *Centre of gravity of a semi-circle is... above the base AB (Dia.)

3 / 50

3. *Normal strain is defined as

4 / 50

4. The brittle materials have low toughness because they

5 / 50

5. The effective length of a column effectively held in position and restrained in direction at one end will be

6 / 50

6. *Thrust is induced in the case of

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7. Find the value of thrust, if the member (beam) is subjected to an inclined force having a magnitude of 5 kN and an inclination with the vertical of 30°

8 / 50

8. A beam of uniform strength will have at every cross-section the same

9 / 50

9. *The centre of gravity of a triangle is at the point where three

10 / 50

10. The slenderness ratio of a vertical column of square cross-section of 10 cm side and 500 cm long is

11 / 50

11. At the point of application of concentrated load on a beam, there is

12 / 50

12. *A diagram that shows the variation of axial force

13 / 50

13. *Load required to produce unit deflection is called

14 / 50

14. Which one is correct if the deflection of a beam is y

15 / 50

15. The bending moment acting on the plane of an element will cause the following type of stress on the plane

16 / 50

16. *Young's modulus is the ratio of

17 / 50

17. The number of reaction components at a hinge on rollers support is

18 / 50

18. *Proof resilience is the greatest stored energy at

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19. *A member which does not regain its original shape after the load producing deformation is removed, is said to be:

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20. Maximum bending moment occurs at the center if the simply supported beam is subjected to

21 / 50

21. *Fatigue is the failure of a material under:

22 / 50

22. *Centrifugal force is given by

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23. In a beam, the neutral plane

24 / 50

24. Rate of change of bending moment is equal to

25 / 50

25. Normally, the numerical value of Poisson's is

26 / 50

26. Centrifugal force acts away from the center of the path while centripetal force

27 / 50

27. For a column of given material, the Rankine's constant depends on

28 / 50

28. If α is the coefficient of linear expansion, T is the rise in temperature, then thermal stress is given by

29 / 50

29. Bending moment diagram of simply supported beam with a point load at the centre of the span is

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30. A shear force diagram of a simply supported beam shows constant shear force throughout the span. It is subjected to

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31. If the value of Young's Modulus of elasticity for a material is zero, it implies that the material is

32 / 50

32. In a beam where shear force is maximum, the bending moment will be

33 / 50

33. The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length is

34 / 50

34. The expression EI(d^4y/dx^4) at any section for a beam is equal to

35 / 50

35. If the stress produced by a prismatic bar is equal to the working stress, the area of the cross-section of the prismatic bar becomes

36 / 50

36. In simple bending theory, the assumption that a plane section before bending remains plane after bending implies that

37 / 50

37. If the elasticity of the material is zero then the material is said to be

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38. "When a rectangular beam is loaded transversely the maximum compressive stress is developed on the :

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39. The slenderness ratio of a vertical column of a square section of 2.5 cm sides and an effective length of 1.75 m is

40 / 50

40. The maximum deflection of a simply supported beam subjected to a uniformly distributed load (w) over the span is

41 / 50

41. For keeping the stress wholly permissible, the load may be applied to a circular column anywhere within a concentric circle of diameter

42 / 50

42. The section modulus of a rectangular section is proportional to

43 / 50

43. *Find the maximum bending moment in a simply supported beam loaded with a UDL of 2 t/m having a span of 4m

44 / 50

44. For a column, with both ends fixed, the crippling load will be equal to

45 / 50

45. A column that fails primarily due to direct stress is called

46 / 50

46. Shape of the bending moment diagram for a simply supported beam having a point load at the center is

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47. The maximum deflection in a cantilever beam carrying a concentrated load 'w' at the free end is (Where L is span of bean, W is total load and EI is flexural rigidity)

48 / 50

48. The radius of gyration of a rectangular section is not proportional to

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49. *The slope of an elastic curve at the point of contraflexture

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50. *The bending moment at a section tends to bend or deflect the beam and internal stresses resist its bending. The resistance offered by the internal stress to the bending, is called:

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