Q. In which of the following method, the catchments were categorized as good, bad and average catchments to account for the general characteristics of the catchment?

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Q. What is the value of Barlow’s runoff percentage (K) for hills and plains with little cultivation?

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Q. What is the value of Lacey’s monsoon duration factor for a good year?

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Q. Which of the following yield formula is used for the catchments of West Maharashtra state of India?

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Q. Which of the following formula for calculating yield can be applied to all catchments?

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Q. According to the Inglis formula, the non-ghat areas are the one where rainfall is _____________

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Q. The design annual rainfall for the catchment of a proposed reservoir has been computed to be 99 cm. The catchment area contributing to the proposed reservoir is 1000 sq.km having a mean annual temperature of 20°C. Calculate the annual design catchment yield for the reservoir using Khosla’s formula.

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Q. The reservoir capacity cannot exceed the catchment yield.

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

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Q. Trap efficiency of a storage reservoir is defined as the ratio of ___________________

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

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Q. The capacity-inflow ratio for a reservoir _________________

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Q. A sequent peak algorithm is a plot between __________________

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Q. A flow duration curve is a curve plotted between ________________

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Q. A steep slope of the flow duration curve indicates a stream with _________________

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Q. The lowest portion of the capacity-elevation curve of a proposed irrigation reservoir draining 20 km² of catchment is represented by the following data:

i. The rate of silting for the catchment = 300 m³ / km² / year
ii. Life of the reservoir = 50 years
iii. Dead storage = 30
iv. The FSD of the canal at the head = 80 cm
v. The crop water requirement = 250 ha.m
vi. Dependable yield of the catchment = 0.29 m

Calculate the gross capacity of the reservoir.

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Q. As the height of a proposed dam is increased, the cost per unit of storage initially increases and then decreases.

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Q. The economical height of a dam is that height for which the ____________________

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Q. If 20% of the reservoir capacity is earmarked for dead storage in a storage reservoir of 30 M.cum and the average annual silt deposition in the reservoir is 0.1 M cum, then the useful life of the reservoir will start reducing after ____________

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Q. According to the Central Water Commission, the average annual evaporation loss is estimated to be _____________

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