The free distance on the paddy surface which a wind can travel to any point to rise waves is called_________________?

Related Mcqs:

1. 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

2. After rainfall the quantity of water that flows directly over the ground surface and join immediately to the river is called_________________?

   A. Surface runoff
   B. Sub-surface runoff
   C. Base flow
   D. True surface runoff

3. A water rise takes place on down stream of sloping glacis, when a stream of water moving with high velocity and low depth strikes another stream of flow moving with low velocity and high depth, such breakage in water surface is called______________?

   A. Water wave
   B. Water tide
   C. Hydraulic jump
   D. Afflux

4. 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

5. The height from the top of the embankment to the normal water level in canal .Dam – Reservoir etc, which allows for small waves to splash without over flow is called___________________?

   A. Free board
   B. Free space
   C. Free faced
   D. Free end –

6. The water level required on the upstream side of a canal head regulator, so as to feed the off-taking canal with its full supply is called_________________?

   A. HFL
   B. FSL
   C. Pond level
   D. Canal level

7. The ratio of the rate of change of discharge through out let to the rate of c./v of water level of the distributary is called_________________?

   A. Flexibility
   B. Proportionally
   C. Setting
   D. Sensitivity

8. The science of water which deals with the depletion and replenishment of water resources is called_________________?

   A. Hydrology
   B. Biology
   C. Hydrography
   D. Histology

9. The experiment of capillary rise is performed in a glass tube of smaller diameter, because___________________?

   A. It is easily visible
   B. Glass tube is cheaper than metal
   C. Glass tube is lighter than metallic tube
   D. Capillary rise is significant

10. The rise in river water level at up stream due to construction of weir is called__________________?

    A. Pond level
    B. HFL
    C. Afflux
    D. FSL