The center of gravity of the volume of the liquid displaced by an immersed body is called________________?

Related Mcqs:

1. In an immersed body, center of pressure is ____________________?

   A. at the center of gravity
   B. above the center of gravity
   C. below be center of gravity
   D. could be above or below e.g. depending 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 13.6 is placed in mercury of specific gravity 13.6, what fraction of it volume is under mercury ?

   A. the metal piece will simply float over the mercury
   B. the metal piece will be immersed in mercury by half
   C. whole of the metal piece will be immersed with its top surface just at mercury level
   D. metal piece will sink to the bottom
   E. none of the above

4. 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

5. The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to____________________?

   A. Buoyancy
   B. Equilibrium of a floating body
   C. Archimedes’ principle
   D. Bernoulli’s theorem
   E. Metacentric principle

6. 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

7. 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

8. Resultant pressure of the liquid in the case of an immersed body acts through _________________?

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

9. 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

10. 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