Building Materials Clay and silt content in a good brick earth must be at least 50 % 20 % 30 % 40 % 50 % 20 % 30 % 40 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials As per IS specifications, the maximum final setting time for ordinary Portland cement should be 30 minutes 6 hours 1 hour 10 hours 30 minutes 6 hours 1 hour 10 hours ANSWER DOWNLOAD EXAMIANS APP
Building Materials The initial setting time of lime-pozzolana, is 90 minutes 120 minutes 60 minutes 30 minutes 90 minutes 120 minutes 60 minutes 30 minutes ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most commonly used synthetic abrasive is Boric acid All of these Silicon Aluminium carbide Boric acid All of these Silicon Aluminium carbide ANSWER DOWNLOAD EXAMIANS APP
Building Materials Good quality stones must Be free from clay Be durable Resist action of acids All of these Be free from clay Be durable Resist action of acids All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plaster of Paris is obtained by calcining None of these Bauxite Lime stone Gypsum None of these Bauxite Lime stone Gypsum ANSWER DOWNLOAD EXAMIANS APP
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