The inverted filter consists layer of materials of increasing ______________ from bottom to top?

Related Mcqs:

1. A well penetrated in ground water confined between impervious layer at its top and bottom is called __________________?

   A. Non-artesian
   B. Artesian well
   C. Perched
   D. Un-confined

2. A structure constructed in channel width having narrow throat and raised floor in bottom, used for measuring discharge is called _____________________?

   A. Cippoletti weir
   B. Venturimeter
   C. Venturiflume
   D. regulator

3. When FSL of the canal is sufficiently below the bottom of the drain, so that water flows freely under gravity, such structures is called_____________________?

   A. Syphon
   B. Syphon – Aqueduct
   C. Super-passage
   D. Canal-syphon

4. The invented filter is provided just after the end of concrete floor to reduce () possibility of _________________?

   A. Piping
   B. Under mining
   C. Up thrust
   D. a and b are correct

5. An aquifer in which water contained under high pressure as the’ aquifer is sand witched between two impervious layer is called___________________?

   A. Un-confined aquifer
   B. Confined aquifer
   C. No-Artesian aquifer
   D. All are correct

6. The sheet or small layer of water flowing over an ogee spillway is called _________________?

   A. Thin layer
   B. Nappe
   C. Water sheet
   D. Water spillway

7. in most economical Trapezoidal section, half of the Top width is equal to _________________?

   A. Bottom width of channel
   B. Depth of channel
   C. Sloping side of channel
   D. None of these

8. 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 –

9. Water available above the top of root zone of plants is about 15% of soil moisture contents, is mostly not available to plants celled_________________?

   A. Capillary water
   B. Irrigation water
   C. Effective water
   D. Hygroscopic water

10. The mercury in a glass tube assumes convex shape at the top because of_________________________?

    A. Cohesion
    B. Adhesion
    C. Surface Tension
    D. Viscosity