In a Sarda type fall, rectangular crest is used for discharge upto______________?

Related Mcqs:

1. As compared to crest of the normal portion of the weir, the crest of the under sluice portion of weir is kept at_____________?

   A. lower level
   B. higher level
   C. same level
   D. any of the above depending on the design

2. The ratio of rate of change of the discharge of an outlet to the rate of change of the discharge of distributing channel is called________________?

   A. proportionality
   B. flexibility
   C. setting
   D. sensitivity

3. 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

4. The flow of water after spilling over the weir crest in chute spillway and side channel spillway respectively are_________________?

   A. at right angle and parallel to weir crest
   B. parallel and at right angle to weir crest
   C. parallel to weir crest in both
   D. at right angle to weir crest in both

5. A straight glacis type fall with a baffle platform and a baffle wall is called_____________?

   A. vertical dropfall
   B. glacis fall
   C. Montague type fall
   D. inglis fall

6. For a catchment area of 120 km2, the equilibrium discharge in m3/hour of an S-curve obtained by the summation of 6 hour unit hydro graph is_______________?

   A. 0.2 x 106
   B. 0.6 x 106
   C. 2.4 xlO6
   D. 7.2 xlO6

7. Which of the following methods is used to estimate flood discharge based on high water marks left over in the past ?

   A. slope-area method
   B. area-velocity method
   C. moving boat method
   D. ultra-sonic method

8. 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

9. Wetted perimeter of a regime channel for a discharge of 64 cumecs as per Lacey’s theory will be_________?

   A. 19 m
   B. 38m
   C. 57m
   D. 76m

10. To determine the discharge at a section in a stream from its rating curve, the required data are_______________?

    1) slope of water surface at the section
    2) stage at the section
    3) current meter readings at the section
    The correct answer is?

    A. (1) and (2)
    B. (2) and (3)
    C. only (2)
    D. only (3)