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

Related Mcqs:

1. 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 ?

   A. Archimed’s Principle
   B. Law of gravity
   C. Newton’s law of otion
   D. None of these

2. 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

3. 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

4. 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

5. The contour of equal water heads and pressure in the soil mass beneath retaining structure are called___________________?

   A. Stream lines
   B. Equipotential lines
   C. Equilibrium lines
   D. Streak lines

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. Surface tension is the property of a liquid which enables it to resist tensile stress. the surface tension of water is equal to ______________ Kg/m?

   A. 0.0056
   B. 0.006
   C. 0.0065
   D. 0.0075

8. 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

9. 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

10. The field capacity is the amount of water retained by a saturated soil mass after being acted by gravity. The amount of water required to bring the soil moisture content of that soil up to field capacity is called__________________?

    A. Soil-moisture deficiency
    B. Field-moisture deficiency
    C. Equivalent-moisture deficiency
    D. a and b are correct