The law that states that the discharge of sub-soil water is directly proportional to the loss of head and the area of soil sample and inversely proportional to to the length of soil sample ___________________?

Related Mcqs:

1. The loss of head H/ L is proportional to the length of creep. There fore the loss of head per unit creep length is called ______________________?

   A. Hydraulic gradient
   B. Head loss
   C. Creep length
   D. Exit gradient

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. A module or outlet in which discharge depends upon the difference of head between distributary and the water course is called ___________________?

   A. Non-modular
   B. Modular
   C. Semi-modular
   D. Rigid module

4. In ogee spillway the discharge is directly proportional to _______________________?

   A. H1/2
   B. H1/3
   C. H3/2
   D. H1/4

5. 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

6. 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

7. A dam which the up lift pressure of the sub-soil water by its own weight is called _________________?

   A. Buttress dam
   B. Arch dam
   C. Gravity dam
   D. Concrete dam

8. An outlet through which the discharge depends upon the water level in the distributary is called ___________________?

   A. Rigid module
   B. Flexible module
   C. Non-flexible
   D. Non-modular

9. the ratio between the rate of change of discharge of the out let to the rate of change of discharge of the distributary is called ______________________?

   A. Proportionally
   B. flexibility
   C. Sensitivity
   D. Flow abili

10. When the rate of change of discharge of outlet equals the rate of change of discharge of the channel, the out let is called __________________?

    A. Sensitive
    B. Flexible
    C. Proportional
    D. Non-flexible