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Irrigation Engineering

Irrigation Engineering
If the optimum depth of kor watering for a crop is 15.12 cm, the outlet factor for the crop for four week period in hectares per cumec, is

1500
1400
1700
1600

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Irrigation Engineering
The kor depth for rice is 190 mm and kor period is 14 days. The outlet factor for this will be

637 hectares/m3/sec
1172 hectares/m3/sec
972 hectares/m3/sec
837 hectares/m3/sec

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Irrigation Engineering
In Montague type fall

A parabolic glacis is provided
A straight glacis is provided
A circular glacis is provided
No glacis is provided

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Irrigation Engineering
Fundamental momentum equation for a hydraulic jump, is

D₁² + D₂² = (2q/g) × (V₂ - V₁)
D₁² - D₂² = (2q/g) × (V₁ - V₂)
D₁² - D₂² = (2q/g) × (V₂ - V₁)
D₂² - D₁² = (2q/g) × (V - V₂)

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Irrigation Engineering
The area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65 cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will be

56 cm
55 cm
50 cm
60 cm

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Irrigation Engineering
The most suitable material for the central impervious core of a zoned embankment type dam is

coarse sand
clay mixed with fine sand
clay
silty clay

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