CIVIL ENGINEERING IRRIGATION ENGINEERING MCQ’s

The irrigation is necessary in an area

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For irrigation purposes, the p-H value of water should be

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Super-fluous water is also called

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The moisture content of the soil, after free drainage has removed most of the gravity water, is known as

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The field capacity of a soil depends upon

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The ratio between the area of a crop irrigated and the quantity of water required during its entire period of the growth, is known as

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The whole period of cultivation from the time when irrigation water is first supplied for preparation of the ground to its last watering before harvesting, is called

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The crops require maximum water during

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The optimum depth of kot watering is 19 cm for

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Where steep land is available, the method of irrigation adopted is

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Irrigation canals are generally aligned along

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The difference in level between the top of a bank and supply level in a canal, is called

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In a canal syphon, the flow is

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For smooth entry of water in a canal, the angle between head regulator and water is generally kept

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When a canal is carried over a natural drainage, the structure provided, is known as

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For the design of major hydraulic structures on the canals, the method generally preferred to, is based on

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The main function of a diversion head works of a canal from a river, is

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The depth of rice root zone, is

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A river training work is generally required when the river is

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Water-shed line is abandoned for aligning an irrigation canal if

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Sprinklar irrigation is adopted for

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The science which deals with the physical features and conditions of water on the earth surface is called

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The earth's water circulatory system, is known as

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The process of loosing water from the leaves of plants, is termed as

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In order to estimate the high flood discharge in fan-shaped catchment, the formula used is

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Run-off is measured in

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The height of dowel above the road level should not be more than

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Water logging is caused due to

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The soil becomes, practically, infertile if its p-H value is

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A structure constructed in an irrigation canal for the purpose of wasting some of its water, is known as a

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The ratio of the head recovered to the head put in an outlet, is called

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A solid construction put across the river to raise its water level and divert the water into the canal, is known as

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Meandering of a river generally occurs, in

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Canals taken off from ice-fed perennial rivers, are known

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In a barrage, the crest level is kept

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For low navigation dams, the type of gate used is

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The bed of a canal is lowered in case of

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An outlet is said to be proportional if its flexibility, is

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For diversion of flood water of rivers, the type of canal constructed, is

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To hold hydraulic jumps, baffle walls are provided in

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