# Irrigation Engineering Online Test – Paper 2

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Created by Vikash chaudhary

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• Total Questions: 30
• Time Allotted: 30 minutes
• Passing Score: 50%
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• Certificate: No
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1. Which of the following crops are in Rabi groups?

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2. The discharge coefficient of an ogee spillway is:

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3. In a gravity canal, F.S.L is always

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4. *Fall is provided in the canal of

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5. The time (generally in days) for which a crop occupies a field to attain its maturity is known as

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6. According to Khosla's theory, the undermining of the floor starts from the

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7. *Critical depth is

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8. *The elementary profile of a dam is

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9. If the top width is provided for the roadway, the resultant force for full reservoir condition will

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10. *In irrigation canals, the reasons for water losses are

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11. *The crops require maximum water during

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12. On a suitable foundation, the earthen dam can be constructed up to a height of

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13. For the upstream face of an earthen dam, the most adverse condition for the stability of slope is

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14. As the salinity of water increases, electrical conductivity

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15. The average delta of a rice crop is nearly

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16. *The dead storage in a reservoir is provided to

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17. Area velocity method is used to measure.

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18. In a non-gravity weir, the uplift pressure is resisted by

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19. A protection at the downstream end of a weir or fall, consisting of blocks of concrete or masonry, is called

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20. The overflow of a spillway in the shape of a double or s-curve, which is convex at the top and concave at the bottom, is called

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21. The factor affecting the pattern of sediment deposition in a reservoir is

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22. In an earthen dam, seepage through the foundation is controlled by providing

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23. *The maximum discharge through a circular channel takes place when the depth of flow is equal to

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24. *Economic height of a dam is

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25. An excavation in the base of a dam or other structures filled with relatively impervious material to reduce percolation is called

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26. The crop that improves the nitrogen content of the soil is

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

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

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29. *Diversion headwork is constructed to

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30. Obstruction placed on the downstream floor of a fall to dissipate the velocity of the flowing water and maintain the standing wave on the glacis is known as

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