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%
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1. Find the elongation of a bar if c/s area of the bar is A, length 1, applied load p, modulus of elasticity of material is E

2 / 50

2. The moment of inertia of a square section is given by

3 / 50

3. Which of the following is a relatively ductile material?

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4. The maximum deflection in a cantilever beam carrying a uniformly distributed load (w) over spans is (Where L is span of beam, W is total load and EI is flexural rigidity)

5 / 50

5. *Stress may be defined as force

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6. In an I section, almost all the shear force is taken by

7 / 50

7. In rectangular column having cross section b X h, the core is

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8. The diagram showing the variation of axial load along the span is called

9 / 50

9. The brittle materials have low toughness because they

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10. *The ratio of the intensity of stress in a case of a suddenly loaded to that of gradually applied load is

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11. *The velocity of a moving body is:

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

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13. 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

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

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15. The moment of inertia of a triangular section b x h about the c-g is

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16. In the case of an H section, the maximum shear stress will occur at

17 / 50

17. Longitudinal cracks observed in timber beams are due to

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

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19. The maximum number of transverse shear forces possible at one end of an element of a plane frame are

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20. The algebraic sum of the shear flow of a section in any direction must be equal to

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

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22. The property of material by which it can be drawn, due to tension, to a smaller section, is called

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23. *The phenomenon of decreased resistance of material due to the reversal of stress is called

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24. *The law which states that within elastic limits strain produced is proportional to stress producing it is known as:

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25. The equivalent length of column fixed at one end and free at the other end is

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26. *If a cantilever beam of 8m long has a uniformly distributed load of 2KN/m throughout the length and a 10KN point load at the center of the beam, find the moment at the center:

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27. *When the equal and opposite forces are applied to a body, tending to elongate it, then the stress produced is called

28 / 50

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

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29. 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)

30 / 50

30. *The product EI is called

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31. The moment of inertia of a rectangular (Bx D) section about its base is

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32. *Maximum deflection of a simply supported beam subjected to concentrated load (w) at the mid-point is

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33. The bending moment diagram for a cantilever beam subjected to a moment at the end of the beam would be

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34. *Compression members always tend to buckle in the direction of the

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

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36. In the case of a simply supported beam subjected to UDL, the maximum shear force occurs at a point

37 / 50

37. *The total time of collision and restitution of two bodies is called

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38. The maximum bending moment caused by a moment M applied at a distance 'a' from one end on a simply supported beam is.... (where L=span, a>L/2)

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39. *In the case of a fixed beam loaded at a point at its center, the number of points at which BM is zero

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40. *Bending moment diagram of a simply supported beam having a uniformly distributed load is

41 / 50

41. *Thrust is induced in the case of

42 / 50

42. A brittle material has

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43. *Which of the following gives Modulus of Elasticity

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44. The shear force on a beam and the displacement are related by

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45. In a fixed beam, the points of contraflexure,

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46. *The forces which meet at one point, but their lines of action do not lie in a plane, are called:

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47. *The stress at which the extension of a material takes place more quickly as compared to the increase in load is called

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48. A cantilever beam of span 4m and carrying a point load of 10 kN located at 3m from the fixed end. Find the BM at the fixed and free end

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49. If a cantilever beam carries a uniformly distributed load over its entire length, then the shape of the shear force diagram and bending moment diagram respectively are

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50. Shear strain is defined as

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