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:
- 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 - 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 - 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 - 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 - A fluid in equilibrium can’t sustain____________________?
A. tensile stress
B. compressive stress
C. shear stress
D. bending stress
E. all of the above - Falling drops of water become spheres due to the property of ____________________?
A. adhesion
B. cohesion
C. surface tension
D. viscosity
E. compressibility - 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 - The region between the separation streamline and the boundary surface of the solid body is known as__________________?
A. wake
B. drag
C. lift
D. boundary layer
E. aerofoil section
