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Engineering Mechanics problems

  • 1. All the steel trusses of the bridges, have one of their end roller supported, and other end hinged. The main advantage of such a support is that the truss remains stable.

  • Options
  • A. True
  • B. False
    • Discuss
  • 2. The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2, is

  • Options
  • A. 20N
  • B. 100N
  • C. 500N
  • D. none of these
    • Discuss
  • 3. Two equal and opposite parallel forces whose lines of action are different, can be replaced by a single force parallel to the given forces.

  • Options
  • A. Correct
  • B. Incorrect
    • Discuss
  • 4. The centre of gravity of a rectangle lies at a point where its two diagonals meet each other.

  • Options
  • A. Agree
  • B. Disagree
    • Discuss
  • 5. The time of flight of a projectile on downward inclined plane depends upon

  • Options
  • A. angle of projection
  • B. angle of inclination of the plane
  • C. both (a) and (b)
  • D. none of these
    • Discuss
  • 6. The motion of the body from one extremity to the other is known as a beat.

  • Options
  • A. Agree
  • B. Disagree
    • Discuss
  • 7. Moment of inertia of a hollow rectangular section as shown in the below figure about X-X axis, is
    Mechanical Engineering Engineering Mechanics: Moment of inertia of a hollow rectangular section as shown in the below figure about X-X

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 8. The force induced in the string BC due to the load W as shown in the below figure is
    Mechanical Engineering Engineering Mechanics: The force induced in the string BC due to the load W as shown in the below figure is <

  • Options
  • A. W sin ?
  • B. W cos ?
  • C. W tan ?
  • D. W cot ?
    • Discuss
  • 9. The velocity ratio of a differential wheel and axle with D as the diameter of effort wheel and d1,and d2 as the diameters of larger and smaller axles respectively, is

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 10. A framed structure is perfect, if the number of members are __________ (2j - 3), where j is the number of joints.

  • Options
  • A. equal to
  • B. less than
  • C. greater than
  • D. either (b) or (c)
    • Discuss

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