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  • Question

  • 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

  • Correct Answer
  • both (a) and (b) 

    • Engineering Mechanics problems

    Search Results

    • 1. The centre of gravity of a rectangle lies at a point where its two diagonals meet each other.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 2. 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
    • 3. 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
    • 4. 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
    • 5. When a body of mass moment of inertia I (about a given axis) is rotated about that axis with an angular velocity to, then the kinetic energy of rotation is

    • Options
    • A. I?
    • B. I?2
    • C. 0.5I?
    • D. 0.5I?2
      • 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

    • 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

    • 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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