A part of water which will move out of the soil, if proper drainage is provided, is known as gravitational water.

Related MCQs

• When the full supply level (F.S.L.) of the canal is much below the bed level of the drainage trough, then the cross drainage provided is called syphon aqueduct.
• The drainage water intercepting the canal can be disposed of by passing the canal below the drainage in
• If the R.L's of canal bed level and high flood level of drainage are 212.0 m and 210.0 m respectively, then cross drainage work will be
• When the bed level of the canal is higher than the highest flood level (H.F.L.) of the drainage, then the cross drainage work is said to be
• The moisture content of the soil, after free drainage has removed most of the gravity water, is known as
• When the levels are such that the F.S.L. of the canal is much above the bed level of the drainage trough, so that the canal runs under syphonic action under the trough, the structure provided is known as
• When a canal flowing under pressure is carried below a natural drainage such that its F.S.L. does not touch the under side of the supporting structure, the structure provided is super-passage.
• The maximum depth in soil strata, in which the crop spreads its root system, and derives water from the soil, is called
• A part of water which exists in the porous space of the soil by molecular attraction, is known as
• The depth of water required to bring the soil moisture content of a given soil upto its field capacity is called