Plastic limit test12/11/2022 ![]() ![]() Note: - If evenness of the base is not maintained in course of time, the base of the liquid limit device should be changed. The adjustment plate shall then be secured by tightening the screw. Using the gauge on the handle of the grooving tool or a separate gauge and by means of the adjustment plate of the mechanical liquid limit device, the height through which the cup is lifted and dropped shall be adjusted so that the point on the cup which comes in contact with base falls through exactly one centimetre for one revolution of the handle.The grooving tool shall also be inspected to determine that it is clean and dry. ![]()
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