The useful storage is the volume of water stored in the reservoir between________________?

Related Mcqs:

1. The total capacity of a reservoir is 25 million cubic metres and dead storage is 5 million cubic metres. If the average volume of sediment deposition is 0.10 million cubic metre per year, then the usefulness of the reservoir will start reducing after_________________?

   A. 50 years
   B. 150 years
   C. 200 years
   D. 250 years

2. 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

3. For a flood control reservoir, the effective storage is equal to_______________?

   A. useful storage – valley storage
   B. useful storage + surcharge storage
   C. useful storage + surcharge storage + valley storage
   D. useful storage + surcharge storage -valley storage

4. The value of Sodium Absorption Ratio for high sodium water lies between________________?

   A. 0 to 10
   B. 10 to 18
   C. 18 to 26
   D. 26 to 34

5. 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

6. A multipurpose reservoir is the one which is_________________?

   A. designed for one purpose but serves more than one purpose
   B. planned and constructed to serve various purposes
   C. both (A. and (B.
   D. none of the above

7. Trap efficiency of a reservoir is a function of_______________?

   A. capacity/inflow ratio
   B. capacity/outflow ratio
   C. outflow/inflow ratio
   D. none of the above

8. 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

9. The forces, which are considered for the analysis of an elementary profile of a gravity dam under empty reservoir condition, are________________?

   1) Water pressure
   2) Self weight
   3) Uplift
   4) Pressure due to earthquake
   The correct answer is

   A. Only (2)
   B. (1), (2) and (3)
   C. (1), (2) and (4)
   D. (1), (2), (3) and (4)

10. 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