generally useful life of a reservoir is considered terminated when its -gross storage is reduced by _______________ of the design capacity of the reservoir?

Related Mcqs:

1. Infiltration capacity curve is the graphical representation, as to how the infiltration capacity varies with time after rainfall this curve was represented by ____________________?

   A. Darcy
   B. Horton
   C. Lacy
   D. Kennedy

2. The field capacity is the amount of water retained by a saturated soil mass after being acted by gravity. The amount of water required to bring the soil moisture content of that soil up to field capacity is called__________________?

   A. Soil-moisture deficiency
   B. Field-moisture deficiency
   C. Equivalent-moisture deficiency
   D. a and b are correct

3. In case of silt deposition in the dam reservoir to dispose of the effectively ________________ be used?

   A. Vortex pipes
   B. Silt excluders
   C. Silt ejectors
   D. All are correct

4. An escape constructed with masonry or pitched with stones to dispose off surplus of tank or reservoir is called________________?

   A. Bye-wash
   B. paved-escape
   C. Water escape
   D. Disposal channel

5. When reservoir is full on upstream side, the maximum stress comes upon__________________?

   A. Top of dam
   B. Bottom of dam
   C. Face of dam
   D. All are correct

6. When the reservoir is full, the maximum compressive force in a gravity dam is produced ___________________?

   A. At the toe
   B. At the heel
   C. Within the middle third of base
   D. At centre of base

7. A graph which shows the volume of a reservoir or tank at any given water level is called ____________________?

   A. Mass curve
   B. Volume curve
   C. Capacity curve
   D. All are correct

8. The floods which exceeds the designed magnitude of a reservoir is called _______________________?

   A. High floods
   B. Standard protects flood
   C. Intensive flood
   D. Storm flood

9. 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

10. The losses of irrigation water due to the seepage but That. does not join the under ground reservoir is called __________________?

    A. Seepage losses
    B. Absorption losses
    C. Evaporation losses
    D. Percolation losses