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A first class brick should not absorb water more than_________ of its own dry weight after 24 hours immersion in cold water ?
20%
20%
See lessIn order to dry the quarry sap of a freshly quarried stone, it should be exposed to open air for period of ?
Six To Twelve Months
Six To Twelve Months
See lessEnamel paint is made by adding ?
White Lead In Varnish
White Lead In Varnish
See lessA good quality cement should have higher percentage of ?
Tri-Calcium Silicate
Tri-Calcium Silicate
See lessThe shrinkage of concrete ?
Increases With Increase In The Percentage Of Concrete
Increases With Increase In The Percentage Of Concrete
See lessThe frog of a brick is normally made on its ?
Top Face
Top Face
See lessWhich of the following is an example of agrillaceous rock ?
All Of These
All Of These
See less