Q. The capacity-inflow ratio for a reservoir _________________

View solution

Q. A sequent peak algorithm is a plot between __________________

View solution

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

View solution

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

View solution

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.

View solution

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

View solution

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

View solution

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 ____________

View solution

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

View solution

Q. Windbreakers, Integrated operation of reservoirs and Use of underground storage are all methods of ______________________

View solution

Q. Which of the following is not used as WERs?

View solution

Q. Which of the following dam is situated in the seismologically inactive zone in Peninsular India?

View solution

Q. Which of the following measure does not prevent or reduce the intensity of the earthquake?

View solution

Q. Which of the following guideline is incorrect for the selection of a suitable site for a reservoir?

View solution

Q. The bar screens used to cover the dam outlets to prevent entry of debris, or ice into the spillway conduits are called __________________

View solution

Q. Projecting collars are provided on sides of a rectangular tunnel of length L made through an earthen dam to increase the seepage path. Their projection length (X) and numbers (N) are decided so as to provide increased seepage path equal to 2NX where 2NX should generally be ______________________

View solution

Q. The outlet provided in a dam body to release water for the downstream water demand is known as ______________________

View solution

Q. A 2 m diameter sluiceway at RL 300 m is provided through a concrete overflow dam section to release water to the downstream where tail water level is not more than 275 m. The discharge through this outlet when the water level in the reservoir is at FRL of 330 m is of the order of_________________

View solution

Q. A 4 m diameter tunnel has been constructed through an earthen dam with a bell mouth entry. The water levels on the U/s and D/s sides of the dam are at RL 226 m and 210 m respectively. What will be the discharge through this outlet?

View solution

Q. Which of the following entrance of the sluiceway is most superior?

View solution