Water absorption by a first class brick in 24 hours immersion in cold water should not exceed
A5 %
B10 %
C15%
D20 %
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Related Questions:
Cement mortar or lime mortar rubbing units of measurement in MKS:
The ingredient which controls the setting time of cement
The material which controls the initial setting time of cement
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The projecting stone provided to serve as a support for joist is known as :