| 1. | Crop ratio is the ratio of area irrigated ? | |
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in Rabi season to Kharif season
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in Kharif season to Rabi season
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under perennial crop to total crop
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under perennial crop to non-perennial crop
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Report Question| 2. | The function of a scouring sluice is ? | |
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to control the silt entry into the canal
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to scour the silt deposited in the river bed above the approach channel
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to pass the low floods without dropping the shutters of the main weir
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all of the above
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| 3. | A structure constructed in an irrigation canal for the purpose of wasting some of its water, known as a ? | |
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fall
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escape
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regulator
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none of these
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| 4. | Kennedy gave a relation between ? | |
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velocity and hydraulic mean depth
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area and velocity
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critical velocity and the depth of flowing water
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all of the above
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| 5. | A river meandering through an alluvial plain has a series of consecutive curves of order connected with short straight sketches, is called ? | |
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crossing
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meandering belt
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meandering length
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none
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| 6. | A land is said to be water-logged when ? | |
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the air circulation is stopped in the root zone due to the rise in water table
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it is submerged in flood
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the soil pores within a depth of 40 cm are saturated
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all of the above
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| 7. | The narrow strip of land left at the ground level between the inner toe of the bank and top edge the cutting, is known as ? | |
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free board
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dowel
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inspection roadway
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berm
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| 8. | When the water is thrown into a well over a crest from where it escapes near its bottom, the ? | |
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rapid fall
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cylinder fall
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pipe fall
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vertical type fall
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| 9. | The amount of precipitation is measured by ? | |
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rain gauge
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osmoscope
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turbidimeter
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all of these
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| 10. | For low navigation the type gate used ? | |
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rolling gate
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bear trap gate
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vertical lift gate
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drum gate
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