A metal with specific gravity of o floating in a fluid of same specific gravity a will___________________?

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 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

3. 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

4. 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

5. 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

6. If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be_________________?

   A. higher than the surface of liquid
   B. the same as the surface of liquid
   C. lower than the surface of liquid
   D. unpredictable
   E. none of the above

7. An open vessel of water is accelerated up an inclined plane. The free water surface will___________________?

   A. be horizontal
   B. make an angle in direction of inclination of inclined plane
   C. make an angle in opposite direction to inclination of inclined plane
   D. any one of above is possible
   E. none of the above

8. 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

9. 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

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