When ever a body is immersed wholly or partially in water, it is lifted up by a force equal to the weight of water displaced by the body ?

Related Mcqs:

1. Specific weight of a liquid is defined as the weight per unit volume at standard Temperature & pressure therefore specific weight of water of water is equal to ____________ kg/m3 in MKS system ?

   A. 990
   B. 995
   C. 999
   D. 1000

2. Bouyant force is equal to the ___________ of liquid displaced by the body in water mass?

   A. Weight
   B. Volume
   C. Specific weight
   D. Specific gravity

3. At the end of hydraulic structure, the upward force of sub-soil water just becomes equal to the submerged weight of soil grains Then exit gradient will be called______________?

   A. Submerged exit gradient
   B. Critical exit gradient
   C. Balanced exit gradient
   D. All are correct

4. The field capacity is the water retained by a saturated soil after free drainage of surplus water to the ground water table but the water retained by a saturated soil after being centrifuged by a centrifugal force of 1000 times that of gravity is called________________?

   A. Soil moisture
   B. Equivalent moisture
   C. Field moisture
   D. Available moisture

5. The ratio of specific weight of any liquid to the specific weight of water is called as _________________?

   A. Density of liquid
   B. Density of water
   C. Specific gravity of water
   D. Specific gravity of liquid

6. Specific gravity of a liquid is defined as the ratio of its specific weight to that of pure water and standard temperature and pressure. Therefore specific gravity is equal to ___________________?

   A. 1.0
   B. 1.2
   C. 1.5
   D. 2.0

7. The ratio between the force causing a body to slide along a plane and the force normal to the plane is called __________________?

   A. Coefficient of friction
   B. Coefficient of internal friction
   C. Coefficient of resistance
   D. All are correct

8. In high floods, to avoid spilling of flood water over the gates, a wall is provided from pond level to high Flood level. This wall spans for the entire length of regulator, rest on piers, sustain water pressure by its weight called_____________________?

   A. Retaining wall
   B. Divide wall
   C. Breast wall
   D. Cantilever wall

9. The water force per meter length on a vertical wall is equal to_________________?

   A. w H
   B. W.H/2
   C. WH2 2
   D. wh2

10. The water evaporates from paddy surfaces to the atmosphere in the form of water vapours, these water vapours get collected in the atmosphere and behave & like_________________?

    A. Water
    B. Snow
    C. Ice particles
    D. Gas