In a chute spillway, the flow is usually
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Civil Engineering · all questionsIrrigation Engineering
Irrigation Engineering
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Groynes are generally built
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The rainfall on five successive days were measured as 100 mm, 80 mm, 60 mm, 40 mm and 20 mm respectively. If the infiltration index or the storm loss rate for the catchment area is earlier estimated as 50 mm/day, the total surface run off will be
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When a canal and a drainage approach each other at the same level, the structure so provided, is
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According to G.W. Pickles the effect of confining the flood water of a river between levee, is to increase
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Study the following statements.
i) Levees are constructed parallel to river flow,
ii) Spurs are constructed parallel to river flow,
iii) Levees are constructed transverse to river flow,
iv) Spurs are constructed transverse to river flow.
The correct answer is
i) Levees are constructed parallel to river flow,
ii) Spurs are constructed parallel to river flow,
iii) Levees are constructed transverse to river flow,
iv) Spurs are constructed transverse to river flow.
The correct answer is
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Instantaneous unit hydrograph is a hydrograph of
i) unit duration
ii) unit rainfall excess
iii) infinitely small duration
iv) infinitely small rainfall excess
The correct answer is
i) unit duration
ii) unit rainfall excess
iii) infinitely small duration
iv) infinitely small rainfall excess
The correct answer is
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To estimate the magnitude of a flood with a return period of T years, Gumbel’s distribution method requires the following data pertaining to annual flood series
i) mean value
ii) standard deviation
iii) length of record
iv) coefficient of skew
The correct answer is
i) mean value
ii) standard deviation
iii) length of record
iv) coefficient of skew
The correct answer is
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Presence of tail water in a gravity dam
i) increases the principal stress
ii) decreases the principal stress
iii) increases the shear stress
iv) decreases the shear stress
The correct answer is
i) increases the principal stress
ii) decreases the principal stress
iii) increases the shear stress
iv) decreases the shear stress
The correct answer is
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A current meter is used to measure the
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A raingauge should preferably be fixed
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With the increase in the quantity of water supplied, the yield of most crops
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If D is the depth of scour below original bed, then the width of launching apron is generally taken as
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If it rains between 2 P.M. and 3 P.M. and the entire basin area just starts contributing water at 3 P.M. to the outlet, then time of concentration will be
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Lane's weighted creep theory assumes
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The ratio of the rate of change of discharge of an outlet to the rate of change in level of water surface in a distributary at its normal depth, is known as
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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
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Meandering of a river generally occurs, in
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Optimum depth of kor watering for rice is
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Q100
Open questionA river bend characterized by silting
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