Water Resources Engineering and Hydrology (3160610) MCQs

MCQs of Reservoir

Showing 21 to 26 out of 26 Questions
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21.

 Design yield of a storage reservoir is kept 

(a)

higher than its firm or safe yield
(b)

lower than its firm or safe yield
(c)

equal to its firm or safe yield
(d)

higher or lower than the firm yield depending upon the designer’s intuition
Answer:

Option (b)

22.

Yield of a reservoir represents

(a)

the inflow into the reservoir
(b)

the capacity of the reservoir
(c)

the outflow demand on the reservoir
(d)

the optimum value of catchment yield
Answer:

Option (c)

23.

 With the reduction in reservoir capacity over the passage of time, the trap efficiency

(a)

 increases
(b)

decreases
(c)

remains unaffected
(d)

may increase or decrease depending upon the reservoir characteristics
Answer:

Option (b)

24.

Trap efficiency of a storage reservoir is defined as the ratio of

(a)

total annual sediment inflow to the reservoir capacity
(b)

total sediment deposited in a given period to the total sediment inflow in that period
(c)

total annual sediment deposited in the reservoir to the dead storage capacity of the reservoir
(d)

reservoir capacity to the total annual sediment
Answer:

Option (b)

25.

Capacity inflow ratio for a storage reservoir is defined as the ratio of 

(a)

reservoir capacity to the average annual flood inflow
(b)

 reservoir capacity to the average annual sediment inflow
(c)

the dead storage capacity of the reservoir to the average annual sediment deposited
(d)

total annual sediment inflow to the reservoir capacity
Answer:

Option (a)

26.

The capacity-inflow ratio for a reservoir 

(a)

is a constant factor overtime
(b)

increases with time
(c)

decreases with time
(d)

 may increase or decrease with time
Answer:

Option (c)

Showing 21 to 26 out of 26 Questions
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