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
Related Mcqs:
- 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 - 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 - 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 - 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 - 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 - 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 - 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 isA. Only (2)
B. (1), (2) and (3)
C. (1), (2) and (4)
D. (1), (2), (3) and (4) - As per Lacey’s theory, the silt factor is_________________?
A. directly proportional to average par¬ticle size
B. inversely proportional to average par¬ticle size
C. directly proportional to square root of average particle size
D. not related to average particle size - Assertion A : To estimate the rainfall over a catchment, the number of raingauges required per unit area is large for hilly areas. Reason R : Rainfall gradient is steep. Select your correct answer according to the coding system given below ?
A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is not the correct explanation of A
C. A is true but R is false
D. A is false but R is true - If the R.L’s of canal bed level and high flood level of drainage are 212.0 m and 210.0 m respectively, then cross drainage work will be________________?
A. aqueduct
B. superpassage
C. syphon
D. syphon aqueduct