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Recent questions and answers in Irrigation

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GATE Civil 2021 Set 2 | Question: 50
A reservoir with a live storage of $300$ million cubic metre irrigates $40000$ hectares ( $1$ hectare= $10^{4}\text{ m}^{2}$) of a crop with two fillings of the reservoir...
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GATE Civil 2021 Set 1 | Question: 48
An unlined canal under regime conditions along with a silt factor of $1$ has a width of flow $71.25 \;\text{m}$. Assuming the unlined canal as a wide channel, the corresp...
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GATE2020 CE-2-13
Superpassage is a canal cross-drainage structure in whichnatural stream water flows with free surface below a canalnatural stream water flows under pressure below a canal...
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GATE2020 CE-2-36
Crops are grown in a field having soil, which has field capacity of $30\%$ and permanent wilting point of $13\%.$ The effective depth of root zone is $80\ cm$. Irrigation...
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GATE2017 CE-2-48
The culturable command area of a canal is $10.000$ ha. The area grows only two crops – rice in the Kharif season and wheat in the Rabi season. The design discharge of t...
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GATE2019 CE-1: 14
If the path of an irrigation canal is below the bed level of a natural stream, the type of cross-drainage structure provided isAqueductLevel crossingSluice gateSuper pass...
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GATE2019 CE-2: 15
An earthen dam of height $H$ is made of cohesive soil whose cohesion and unit weight arc $c$ and $\gamma$ respectively. If the factor of safety against cohesion is $F_c$,...
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GATE2019 CE-2: 24
The command area of a canal grows only one crop, i.e., wheat. The base period of wheat is $120$ days and its total water requirement, $\Delta$, is $40 \: cm$. If the cana...
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GATE2016-2-14
Profile of a weir on permeable foundation is shown in the figure I and an elementary profile of ‘upstream pile only case’ according to Khosla’s theory is shown in t...
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GATE2016-1-48
A sector gate is provided on a spillway as shown in the figure. Assuming $g=10 \: m/s^2$, the resultant force per meter length (expressed in kN/m) on the gate will be ___...
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GATE2017 CE-1: 30
Group I contains three broad classes of irrigation supply canal outlets, Group II presents hydraulic performance attributes.$$\begin{array}{|ll|ll|} \hline {} & \text{Gro...
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GATE2015-2-42
A field channel has cultivable commanded are of $2000$ hectares. The intensities of irrigation for gram and wheat are $30 \%$ and $50\%$ respectively. Gram has a kor peri...
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GATE2015-2-43
A triangular gate with a base width of $2$ m and a height of $1.5$ m lies in a vertical plane. The top vertex of the gate is $1.5$ m below the surface of a tank which con...
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GATE2014-2-44
Irrigation water is to be provided to a crop in a field to bring the moisture content of the soil from the existing $18 \%$ to the field capacity of the soil at $28 \%$. ...
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GATE2014-1-40
The flow net constructed for the dam is shown in the figure below. Taking the coefficient of permeability as $3.8 \times 10^{-6}$ m/s, the quantity of flow (in $cm^3/s$) ...
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GATE Civil 2013 | Question: 41
The transplantation of rice requires $10$ days and total depth of water required during transplantation is $48$ cm. During transplantation, there is an effective rainfall...
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GATE Civil 2012 | Question: 41
Wheat crop requires $55$ cm of water during $120$ days of base period. The total rainfall during this period is $100$ mm. Assume the irrigation efficiency to be $60\%$. T...
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GATE2018 CE-1: 22
A $1:50$ model of a spillway is to be tested in the laboratory. The discharge in the prototype spillway is $1000 \: m^3/s$. The corresponding discharge (in $m^3/s$, up to...
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GATE2018 CE-2: 24
The intensity of irrigation for the $\textit{kharif}$ season is $50 \%$ for an irrigation project with culturable command area of $50,000 $ hectares. The duty for the $\t...
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