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To prevent percolation of water into formation, what is the use of moorum?(a) Black cotton soil(b) Sandy soil(c) Clayey soil(d) Red soil |
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Answer» The correct answer is (a) Black cotton soil For explanation I would say: It is taken out from earth/hills/mountain & 4/5 type of moorum are available & of different colour brown, dark brown, yellow or grey. Type of moorum depends on their grain size, liquid limit, Plastic limit, moisture density relationship based on these parameters its selected & laid in layers as filling material under road, plinth, tanks, runways etc. |
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