Home / Civil Engineering / Applied Mechanics and Graphic Statics :: section-1

Civil Engineering :: Applied Mechanics and Graphic Statics

  1. When a body of mass M1 is hanging freely and another of mass M2 lying on a smooth inclined plane(α) are connected by a light index tensile string passing over a smooth pulley, the acceleration of the body of mass M1, will be given by

  2. A.

     g(M1 + M2 sin α)/(M1 + M2) m/sec

    B.

     g(M1 - M2 sin α)/(M1 + M2) m/sec²

    C.

     g(M2 + M1 sin α)/(M1 + M2) m/sec²

    D.

     g(M2 × M1 sin α)/(M2 - M1) m/sec²

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. If two bodies of masses M1 and M2(M1 > M2) are connected by alight inextensible string passing over a smooth pulley, the tension in the string, will be given by

  4. A.

     T = g(M1 - M2)/(M1 + M2)

    B.

     T = g(M1 + M2)/(M1 × M2)

    C.

     T = g(M2 - M1)/(M1 + M2)

    D.

     T = g(M2 + M1)/(M2 - M1)

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. The resultant of the forces acting on a body will be zero if the body

  6. A.

     Rotates

    B.

     Moves with variable velocity in a straight line

    C.

     Moves along a curved path

    D.

     Does not move at all

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. For a body moving with simple harmonic motion, the number of cycles per second, is known as its

  8. A.

     Oscillation

    B.

     Amplitude

    C.

     Periodic time

    D.

     Frequency

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. The beam shown in below figure is supported by a hinge at ‘A’ and a roller at ‘B’. The reaction RA of the hinged support ‘A’ of the beam, is

  10. A.

     10.8 t

    B.

     10.6 t

    C.

     10.4 t

    D.

     10.2 t

    View Answer

    Workspace

    Discuss Discuss in Forum


  11. One end of an elastic string of natural length ‘l’ and modulus ‘X’ is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance ‘x’, held at rest and then released.
    The motion is

  12. A.

     A simple harmonic motion

    B.

     A rectilinear motion with constant speed

    C.

     A damped oscillatory motion

    D.

     None of the above

    View Answer

    Workspace

    Discuss Discuss in Forum


  13. A bullet weighing 10 gm moves with a velocity of l km/sec. Its kinetic energy is
    (i) 5000 Nm
    (ii) 5000 kg.m
    (iii) 5000 J

  14. A.

     Only (ii)

    B.

     Both (i) and (iii)

    C.

     Both (ii) and (iii)

    D.

     All (i), (ii) and (iii)

    View Answer

    Workspace

    Discuss Discuss in Forum


  15. The product of mass and velocity of a moving a body, is called

  16. A.

     Moment

    B.

     Momentum

    C.

     Power

    D.

     Impulse

    View Answer

    Workspace

    Discuss Discuss in Forum


  17. One half of a vibration of a body, is called

  18. A.

     Period time

    B.

     Oscillation

    C.

     Beat

    D.

     Amplitude

    View Answer

    Workspace

    Discuss Discuss in Forum


  19. The C.G. of the shaded area of the below figure whose curve OM is a parabola from y-axis, is

  20. A.

     a/4

    B.

     3a/4

    C.

     3b/10

    D.

     3a/10

    View Answer

    Workspace

    Discuss Discuss in Forum