Trap efficiency of a reservoir is a function of_______________?

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. 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

3. 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

4. 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

5. 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

6. 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

7. 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)

8. For supplying water to rabi crop, kharif crop and sugarcane, the channel is designed for a capacity equal to the greater of the water requirement of_______________?

   A. rabi or kharif
   B. rabi and kharif or sugarcane
   C. rabi and sugarcane or kharif and sugarcane
   D. rabi or kharif or sugarcane

9. A unit hydro graph has one unit of_______________?

   A. rainfall duration
   B. rainfall excess
   C. time base of direct runoff
   D. discharge

10. The net head under which the turbine reaches its peak efficiency at synchronous speed is called________________?

    A. design head
    B. rated head
    C. gross head
    D. operating head