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

Related Mcqs:

1. 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

2. 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

3. 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

4. A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is_____________________?

   A. 0.30 m/sec
   B. 0.35 m/sec
   C. 0.40 m/sec
   D. 0.45 m/sec

5. A piece weighing 3 kg in air was found to weigh 2.5 kg when submerged in water. Its specific gravity is__________________?

   A. 1
   B. 5
   C. 7
   D. 6

6. 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

7. If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water___________________?

   A. 51 cm
   B. 50 cm
   C. 52 cm
   D. 52.2 cm
   E. 51.7 cm

8. A body floats in stable equilibrium________________?

   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

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

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

10. In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is_________________?

    A. 2.25
    B. 2.50
    C. 2.55
    D. 2.65