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Water Management and Conservation
Which is the most widely used irrigation method in Pakistan?
Tube Wells
Perennial Canal
Rains
Karez
Author:
Basit Ali
Comment
Water Management and Conservation
The losses of irrigation water due to the seepage but That. does not join the under ground reservoir is called _______?
Evaporation losses
Absorption losses
Seepage losses
Percolation losses
Author:
rikazzz
Comment
Water Management and Conservation
The process of consolidation of stabilized earth work in canal or river embankments. In this process the soil is deposited in layers of specified thickness and at a particular moisture content is called _______?
Compaction
Densification
Soil stabilization
All are correct
Author:
rikazzz
Comment
Water Management and Conservation
The value of coefficient of discharge in comparison to cofficient of velocity is found to be _______?
Lesser
Equal
More
Zero
Author:
rikazzz
Comment
Water Management and Conservation
The field capacity is the amount of water retained by a saturated soil mass after being acted by gravity. The amount of water required to bring the soil moisture content of that soil up to field capacity is called _______?
Field-moisture deficiency
Soil-moisture deficiency
Equivalent-moisture deficiency
a and b are correct
Author:
rikazzz
Comment
Water Management and Conservation
The method of irrigation in which each tree is surrounded by a border to form a pool when water is supplied is called _______?
Border irrigation
Basin irrigation
Furrow irrigation
Check irrigation
Author:
rikazzz
Comment
Water Management and Conservation
A module or outlet in which discharge depends upon the difference of head between distributary and the water course is called _______?
Non-modular
Semi-modular
Modular
Rigid module
Author:
rikazzz
Comment
Water Management and Conservation
The percentage of culturable commended area, irrigated during the year to the total culturable commanded area on a outlet or channel is called _______?
Annual Intensity
Culturable Commended area
Gross commended area
Total irrigable Area
Author:
rikazzz
Comment
Water Management and Conservation
The inverted filter consists layer of materials of increasing _______ from bottom to top?
Under mining
Piping
Permeability
Up thrust pressure
Author:
rikazzz
Comment
Water Management and Conservation
The structures, which are constructed on the river bed upstream of head regulator. With this clear water enters in canal such structures are called _______?
Silt excluders
Vortex pipes
Silt ejectors
Silt control structures
Author:
rikazzz
Comment
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