Building Materials Slate is formed by metamorphic action on Granite Sand stone Lime stone Shale Granite Sand stone Lime stone Shale ANSWER DOWNLOAD EXAMIANS APP
Building Materials Specific gravity for most of the building stones lies between 2.0 to 2.5 1.5 to 2.0 2.5 to 3.0 3.0 to 3.5 2.0 to 2.5 1.5 to 2.0 2.5 to 3.0 3.0 to 3.5 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning of timber is done for Increasing strength of timber Increasing moisture content None to these Decreasing moisture content Increasing strength of timber Increasing moisture content None to these Decreasing moisture content ANSWER DOWNLOAD EXAMIANS APP
Building Materials Initial setting time of cement for asbestos cement products should be not less than 50 minutes 75 minutes 90 minutes 30 minutes 50 minutes 75 minutes 90 minutes 30 minutes ANSWER DOWNLOAD EXAMIANS APP
Building Materials To retard the initial setting time of cement, the compound responsible, is Di-calcium silicate Tri-calcium silicate Gypsum Tri-calcium aluminate Di-calcium silicate Tri-calcium silicate Gypsum Tri-calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Building Materials The weight of a good quality brick when immersed in water for a period of 16 hours should not exceed the weight of dry brick 20 % 10 % 15 % None of these 20 % 10 % 15 % None of these ANSWER DOWNLOAD EXAMIANS APP
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