QUESTION
Objective Question
Moderately hydraulic lime is best suited for
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Answer
( Option C)
Masonry mortar
Solution
Feebly hydraulic lime
Feebly hydraulic lime is used for internal work and external work in sheltered areas.
Feebly hydraulic lime contains up to 10% clay / clay mixed with other impurities. It might take one week or more to set after the addition of water. Setting is the process of permanently taking the shape into which lime has been moulded.
Moderately hydraulic lime
Moderately hydraulic lime can be used for external work in most areas.
Moderately hydraulic lime contains clay in the range of 11% to 20%. This type of lime sets (assumes given shape) within a few days after the addition of water.
Eminently hydraulic lime
Eminently hydraulic lime is used for external work in exposed areas, such as chimneys and for floor slabs/underpinning.
Eminently hydraulic lime contains clay in the range of 21% to 30%. Properties of eminently hydraulic lime are close to those of cement. Eminently hydraulic lime sets within one day after the addition of water.
