Building Materials The slump recommended for mass concrete is about 25 mm to 50 mm 50 mm to 100 mm 125 mm to 150 mm 100 mm to 125 mm 25 mm to 50 mm 50 mm to 100 mm 125 mm to 150 mm 100 mm to 125 mm ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: All listed here About 20% to 30% of alumina Not more than 5% of lime About 50% to 60% of silica All listed here About 20% to 30% of alumina Not more than 5% of lime About 50% to 60% of silica ANSWER DOWNLOAD EXAMIANS APP
Building Materials Rocks formed due to alteration of original structure due to heat and excessive pressure are called Igneous rocks Metamorphic rocks Sedimentary rocks None of these Igneous rocks Metamorphic rocks Sedimentary rocks None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina in a good brick earth lies between 70 to 80 % 50 to 60 % 20 to 30 % 5 to 10 % 70 to 80 % 50 to 60 % 20 to 30 % 5 to 10 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Laterite is a/an Argillaceous rock Siliceous rock Calcareous rock Volcanic rock Argillaceous rock Siliceous rock Calcareous rock Volcanic rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good building stone should not absorb water more than 15 % 20 % 10 % 5 % 15 % 20 % 10 % 5 % ANSWER DOWNLOAD EXAMIANS APP
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