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

Related Mcqs:

1. In an immersed body, centre of pressure is __________________?

   A. at the centre of gravity
   B. above the centre of gravity
   C. below be centre of gravity
   D. could be above or below e.g. depend¬ing on density of body and liquid
   E. unpredictable

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

   A. e.g. of body
   B. center of pressure
   C. center of buoyancy
   D. metacentre
   E. liquid surface

3. A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ?

   A. 0.5
   B. 0.4
   C. 0.515
   D. 0.5
   E. none of the above

4. 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

5. 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

6. Resultant pressure of the liquid in the case of an immersed body acts through____________________?

   A. centre of gravity
   B. centre of pressure
   C. metacentre
   D. centre of buoyancy
   E. in between e.g. and centre of pressure

7. The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the sub-merged body is called_______________?

   A. upthrust
   B. reaction
   C. buoyancy
   D. metacentre
   E. center of pressure

8. 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

9. An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of__________________?

   A. 1
   B. 1.2
   C. 0.8
   D. 0.75
   E. 1.25

10. A metal with specific gravity of o floating in a fluid of same specific gravity a will____________________?

    A. sink to bottom
    B. float over fluid
    C. partly immersed
    D. be fully immersed with top surface at fluid surface
    E. none of the above