In high floods, to avoid spilling of flood water over the gates, a wall is provided from pond level to high Flood level. This wall spans for the entire length of regulator, rest on piers, sustain water pressure by its weight called_____________________?

Related Mcqs:

1. If the weir flood is designed continuous with divide piers as reinforced structure,such that the weight of divide piers, keep the structure safe against uplift, is called__________________?

   A. Non-gravity weir
   B. Gravity weir
   C. Sharp crested weir
   D. Rectangular weir

2. 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

3. 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

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. Hydraulic structures are designed for a safe flow of flood. The floods which are equal in designed magnitude life of the project is called _____________________?

   A. High floods
   B. Ordinary floods
   C. Low floods
   D. Probable flood

6. When the high flood level of the drain is sufficiently below the bed of the Canal that the drainage water flows freely under gravity, such structure is called___________________?

   A. Aqueduct
   B. Syphon-aqueduct
   C. Cross-Drainage
   D. Non-gravity structure

7. 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°

8. The specific weight of water at normal pressure of 760 mm, 4ºC temperature and at mean sea level is ______________________?

   A. 960kg/m3
   B. 1000ka/m3
   C. 1100kg/m3
   D. 1020kg/m3

9. When high flood passing down weir creating high up lift pressures and there is no flow in the canals, if such condition is taken for design and is called__________________?

   A. High flood level
   B. Dangerous condition
   C. Hydraulic design condition
   D. Worst condition

10. 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