When the reservoir is full, the maximum compressive force in a gravity dam is produced______________?

Related Mcqs:

1. 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)

2. 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

3. The major resisting force in a gravity dam is___________________?

   A. water pressure
   B. wave pressure
   C. self-weight of dam
   D. uplift pressure

4. The maximum permissible eccentricity for no tension at the base of a gravity dam is__________________?

   A. B/2
   B. B/3
   C. B/4
   D. B/6

5. 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

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. 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

8. 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

9. 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

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

    A. minimum pool level and maximum pool level
    B. minimum pool level and normal pool level
    C. normal pool level and maximum pool level
    D. river bed and minimum pool level