In case of non-availability of space due to topography, the most suitable spillway is________________?

Related Mcqs:

1. 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

2. In a chute spillway, the flow is usually____________________?

   A. uniform
   B. subcritical
   C. critical
   D. super critical

3. The most suitable chemical which can be applied to the water surface for reducing evaporation is________________?

   A. methyl alcohol
   B. ethyl alcohol
   C. cetyl alcohol
   D. butyl alcohol

4. The ratio of average values of shear stresses produced on the bed and the banks of a channel due to flowing water is________________?

   A. less than 1
   B. equal to 1
   C. greater than 1
   D. equal to zero

5. The most suitable material for the central impervious core of a zoned embankment type dam is_______________?

   A. clay
   B. coarse sand
   C. silty clay
   D. clay mixed with fine sand

6. Which of the following spillways is least suitable for an earthen dam ?

   A. ogee spillway
   B. chute spillway
   C. side channel spillway
   D. shaft spillway

7. Unit of runoff in M.K.S. system is________________?

   A. cubic metre/sec
   B. metre/sec
   C. cubic metre
   D. square metre

8. For an annual flood series arranged in descending order of magnitude, the return for a magnitude listed at position period m in a total data N is________________?

   A. N/(m+l)
   B. m/(N+l)
   C. m/N
   D. (N+l)/m

9. Main purpose of mean water training for rivers is________________?

   A. flood control
   B. to provide sufficient depth of water in navigable channels, during low water periods
   C. to preserve the channel in good shape by efficient disposal of suspended and bed load
   D. all of the above

10. When surface of transpiration is submerged under water, then potential evapotranspiration is________________?

    A. much more than evapotranspiration
    B. much less than evapotranspiration
    C. equal to evapotranspiration
    D. equal to or less than evapotranspi-ration