Building Materials Proper amount of entrained air in concrete results in(i) Better workability(ii) Better resistance to freezing and thawing(iii) Lesser workability(iv) Less resistance to freezing and thawing (i) and (ii) (iii) and (iv) (ii) and (iii) (i) and (iv) (i) and (ii) (iii) and (iv) (ii) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following bricks are used for lining of furnaces? First class bricks Refractory bricks Under-burnt bricks Over-burnt bricks First class bricks Refractory bricks Under-burnt bricks Over-burnt bricks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of carbon content in mild steel is Less than 0.25 Greater than 1.5 Between 0.25 and 0.7 Between 0.7 and 1.5 Less than 0.25 Greater than 1.5 Between 0.25 and 0.7 Between 0.7 and 1.5 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Chlorite, a green colour mineral is mainly derived from the decomposition of Augite All of these Hornblende Biotite Augite All of these Hornblende Biotite ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron is manufactured from the ores by Calcination and roasting Dressing All of these Smelting Calcination and roasting Dressing All of these Smelting ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following metamorphic rocks has the most weather resisting characteristics? Quartzite Lime stone Marble Slate Quartzite Lime stone Marble Slate ANSWER DOWNLOAD EXAMIANS APP
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