Question
Download Solution PDFStrainer-type tube wells are considered unsuitable for
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFClassification of tube wells:
(a) Strainer type tube well:
The strainer type tube well is generally unsuitable for very fine sandy strata, because in that case the size of mesh opening will have to be reduced considerably which may result in choking of the strainer, and if the screen openings are kept bigger, the well will start discharging sandy water.
(b) Cavity type tube well
If a suitable strong clay stratum is not available then cavity type tube well cannot be provided because it does not have strainers and hence, it draws its supplies from the bottom and not from the sides.
(c) Slotted type tube well
In this type of tube well, the gravel and coarse sand shrouding prevents the fine particles from entering the well pipe. If sufficient depth of water bearing stratum is not available, then it is not possible to provide strainer or cavity type tube wells, hence, slotted type tube wells provided in that case.Last updated on Jun 13, 2025
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