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Civil Engineering :: Applied Mechanics and Graphic Statics

  1. What is the answer to this question?

  2. A.

     Zero

    B.

     2 t

    C.

     3 t

    D.

     1 t


  3. Which of the following represents the state of neutral equilibrium?

  4. A.

     A cube resting on one edge

    B.

     A smooth cylinder lying on a curved surface

    C.

     A smooth cylinder lying on a convex surface

    D.

     None of the above


  5. A square hole is made in a circular lamina, the diagonal of the square is equal to the radius of the circle as shown in below figure the shift in the centre of gravity is

  6. A.

     r (π - 0.75)/(π - 0.5)

    B.

     r (π - 0.25)/(π - 0.75)

    C.

     r (π - 0.5)/(π - 0.75)

    D.

     r (π - 0.5)/(π - 0.25)


  7. The potential energy of a particle falling through a straight shaft drilled through the earth (assumed homogenous and spherical) is proportional to (where r is the distance of’the particle from centre of the earth)

  8. A.

     log r

    B.

     r

    C.

     r2

    D.

     1/r


  9. A stone is whirled in a vertical circle, the tension in the string, is maximum

  10. A.

     When the string is horizontal

    B.

     When the stone is at the highest position

    C.

     When the stone is at the lowest position

    D.

     At all the positions


  11. The graphical method of determining the forces in the members of a truss is based on

  12. A.

     Method of joint

    B.

     Method of section

    C.

     Either method

    D.

     None of the two methods


  13. The shape of a suspended cable under its own weight, is

  14. A.

     Parabolic

    B.

     Circular

    C.

     Catenary

    D.

     Elliptical


  15. The maximum value of the horizontal range for a projectile projected with a velocity of 98 m/sec is

  16. A.

     98 m

    B.

     490 m

    C.

     980 m

    D.

     1960 m


  17. A geo-stationary satellite is one which orbits the earth with a velocity of rotation of

  18. A.

     Moon

    B.

     Earth

    C.

     Sun

    D.

     Pole


  19. A particle moving with a simple harmonic motion, attains its maximum velocity when it passes

  20. A.

     The extreme point of the oscillation

    B.

     Through the mean position

    C.

     Through a point at half amplitude

    D.

     None of these