# Mechanics of Materials & Structures Online Test – Paper 3

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Created by Vikash chaudhary

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• Total Questions: 50
• Time Allotted: 50 minutes
• Passing Score: 70%
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1. The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length is

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2. Load carrying capacity of fixed beam is

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3. The difference between BM values at any two sections will be equal to

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

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6. *In a simply supported beam with span (L) having a triangular load with its intensity 0 at both ends and W at center. The maximum BM will be

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7. The crippling load for column of length 1, with one end fixed and the other end free is

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8. *The shear flow in a section can be defined as

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9. *Toughness is

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10. *The shear force in a concrete beam is assumed to act

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11. 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°

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

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13. *The magnitude of a shear force at a distance of L/4 from either end of a simply supported beam with load P applied at midspan is equal to:

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14. *A cable subjected to U.D.L. over its entire span assumes a shape of

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

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16. *In a simply supported beam subjected to a point load at the center, the maximum bending moment occurs at

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

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18. *If a beam is loaded transversely, the maximum compressive stress develops on

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

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

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21. A beam is supported over three rollers lying in the same plane. The beam is stable for

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22. *Strut is a

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23. Shear force diagram for a cantilever carrying a UDL over its whole length is

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24. *As per the elastic theory of design, the factor of safety is the ratio of

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

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26. The slope of the curve of B.M. diagram at any section will be equal to

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27. Rate of change of bending moment is equal to

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

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

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

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

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33. *Hooke's law holds good up to:

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34. *The maximum BM produced in a simply supported beam having a span of 4 m and subjected to a UDL of 10 kN/m

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35. *Which of the following gives Bulk Modulus?

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36. *The compression test is commonly used for testing

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37. *A simply supported beam as shown in the fig. carries 10 t of load. What will be the reaction at point B ?

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38. *Normal strain is defined as

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39. If y is the deflection of the beam, then shear force is

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

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41. *The property of a material by which a body returns to its original shape after removal of the force is called

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42. The shear center in the case of a T-beam section is

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43. A viscoelastic material

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44. *Young's modulus is the ratio of

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45. Permanent set is

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46. *Which of the following sections is the most efficient in carrying bending moments

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47. The reaction at end A of the beam shown is

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

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

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50. *The unit failure stress is taken as :

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