A. when its meatcentric height is zero
B. when the metancentre is above e.g
C. when its e.g. is below it’s center of buoyancy
D. metacentre has nothing to do with position of e.g. for determining stability
E. none of the above
Related Mcqs:
- 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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
