Canals normally excavated directly from river without head regulator is called___________________?

Related Mcqs:

1. The structures, which are constructed on the river bed upstream of head regulator. With this clear water enters in canal such structures are called______________________?

   A. Silt excluders
   B. Silt ejectors
   C. Vortex pipes
   D. Silt control structures

2. A spoil bank is formed when the volume of excavated soil is _________________ of embankment filling?

   A. Less than
   B. Excess
   C. Equal to
   D. Not required

3. The angle between a head regulator and entrance of water, for smooth entry of water in a canal is kept as _________________?

   A. 90°
   B. 100°
   C. 110°
   D. 120°

4. 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

5. A regulator is water controlling structure, it is provided at the head of canal to supply water from parent canal to the branch channel is called_______________________?

   A. Head Regulator
   B. Cross-Regulator
   C. Escape
   D. All are correct

6. In a river the flood water dries up before it joins the sea or any other river, such river is called ________________?

   A. Flashy
   B. Virgin
   C. Tidal
   D. Deltaic

7. During the peak stage of river, there exist an out flow from river into the ground water reservoir, in such case river will be called _________________?

   A. Influent stream
   B. Effluent stream
   C. Storm water stream
   D. Seepage stream

8. A curve showing the maximum flow in the river and mean time reduces flow. we be called___________________?

   A. Infiltration capacity
   B. Infiltration capacity curve
   C. Ground water depletion curve
   D. All are correct

9. 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 –

10. 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 ___________________?

    A. Archimed’s principle
    B. Darcy’s law
    C. Permeability law
    D. Thiem’s law