The drainage water intercepting the canal can be disposed of by passing the canal below the drainage in___________________?

Related Mcqs:

1. If the R.L’s of canal bed level and high flood level of drainage are 212.0 m and 210.0 m respectively, then cross drainage work will be________________?

   A. aqueduct
   B. superpassage
   C. syphon
   D. syphon aqueduct

2. The uplift pressure on the face of a drainage gallery in a dam is taken as_________________?

   A. hydrostatic pressure at toe
   B. average of hydrostatic pressure at toe and heel
   C. two-third of hydrostatic pressure at toe plus one-third of hydrostatic pressure at heel
   D. none of the above

3. Which of the following canal structures is used to remove surplus water from an irrigation channel into a natural drain ?

   A. canal fall
   B. canal outlet
   C. canal escape
   D. canal regulator

4. The water stored in the reservoir below the minimum pool level is called_______________?

   A. useful storage
   B. dead storage
   C. valley storage
   D. surcharge storage

5. Which of the following canal outlets maintains a constant discharge ?

   A. non-modular outlet
   B. flexible outlet
   C. rigid module
   D. none of the above

6. For supplying water to rabi crop, kharif crop and sugarcane, the channel is designed for a capacity equal to the greater of the water requirement of_______________?

   A. rabi or kharif
   B. rabi and kharif or sugarcane
   C. rabi and sugarcane or kharif and sugarcane
   D. rabi or kharif or sugarcane

7. When the upstream face of a gravity dam is vertical, then the intensity of water pressure at the water surface and at the base respectively will be_______________?

   A. 0 and wH212
   B. wH2/2and wH2/3
   C. wH and 0
   D. OandwII

   where w is unit weight of water and H is the depth of water

8. The stage of river carrying a discharge of Q m7sec at a point is 10 m and slope of water surface is (1/4000). The discharge of a flood at the same point and same stage of 10 m with a water surface slope of(l/1000) will be________________?

   A. V2 Q m3/sec
   B. 0.5 Q mVsec
   C. 2 Q m3/sec
   D. 4 Q m3/sec

9. The ratio of the quantity of water stored in the root zone of the crops to the quantity of water actually delivered in the field is known as__________________?

   A. water conveyance efficiency
   B. water application efficiency
   C. water use efficiency
   D. none of the above

10. If D is the depth of scour below original bed, then the width of launching apron is generally taken as________________?

    A. 1.2 D
    B. 1.5 D
    C. 2.0 D
    D. 2.5 D