When a body floating in a liquid, is displaced slightly, it oscillates about _________________?

Related Mcqs:

1. For a body floating in a liquid the normal pressure exerted by the liquid acts at ____________________?

   A. bottom surface of the body
   B. e.g. of the body
   C. metacentre
   D. all points on the surface of the body
   E. all of the above

2. The centre of gravity of the volume of the liquid displaced by an immersed body is called ___________________?

   A. centre of gravity
   B. centre of pressure
   C. metacentre
   D. centre of buoyancy
   E. centroid

3. The conditions for the stable equilibrium of a floating body are___________________?

   A. the meta-center should lie above the center of gravity
   B. the center of buoyancy and the center of gravity must lie on the same vertical line
   C. a righting couple should be formed
   D. all the above are correct
   E. none of the above is correct

4. For a floating body to be in equilibrium_____________________?

   A. meta centre should be above e.g.
   B. centre of buoyancy and e.g. must lie on same vertical plane
   C. a righting couple should be formed
   D. all of the above
   E. none of the above

5. The time oscillation of a floating body with increase in metacentric height will be_________________?

   A. same
   B. higher
   C. lower
   D. lower/higher depending on weight of body
   E. unpredictable

6. The two important forces for a floating body are__________________?

   A. buoyancy, gravity
   B. buoyancy, pressure
   C. buoyancy, inertial
   D. inertial, gravity
   E. gravity, pressure

7. For a floating body to be in stable equilibrium, its metacentre should be___________________?

   A. below the center of gravity
   B. below the center of buoyancy
   C. above the center of buoyancy
   D. between e.g. and center of pressure
   E. above the center of gravity

8. A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm2 and a volume of 0.039 m3 at 150 kg/cm2. The bulk modulus of elasticity of liquid is___________________?

   A. 400 kg/cm2
   B. 4000 kg/cm2
   C. 40 x 105 kg/cm2
   D. 40 x 106 kg/cm2
   E. none of the above

9. A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is _________________?

   A. 0.83
   B. 0.6
   C. 0.4
   D. 0.3
   E. none of the above

10. The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as_________________?

    A. meta center
    B. center of pressure
    C. center of buoyancy
    D. center of gravity
    E. none of the above