Building Materials The most commonly used synthetic abrasive is All of these Boric acid Aluminium carbide Silicon All of these Boric acid Aluminium carbide Silicon ANSWER DOWNLOAD EXAMIANS APP
Building Materials Due to attack of dry rot, the timber Shrinks Reduces to powder Cracks None of these Shrinks Reduces to powder Cracks None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials A stone is rejected if it absorbs water more than 15 % 5 % 10 % 20 % 15 % 5 % 10 % 20 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials In the method of condensation polymerization, All of these The reaction proceeds with an evolution of hydrogen chloride The reaction proceeds with an evolution of ammonia Low-molecular substances are removed from the high molecular substance All of these The reaction proceeds with an evolution of hydrogen chloride The reaction proceeds with an evolution of ammonia Low-molecular substances are removed from the high molecular substance ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks in which argil (or clay) predominates, are called Calcareous rocks Siliceous rocks Igneous rocks Argillaceous rocks Calcareous rocks Siliceous rocks Igneous rocks Argillaceous rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which one of the following is used for preparing porcelain? Quartz Clay Feldspar All of these Quartz Clay Feldspar All of these ANSWER DOWNLOAD EXAMIANS APP
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