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 (ii) and (iii) (i) and (iv) (i) and (ii) (iii) and (iv) (ii) and (iii) (i) and (iv) (i) and (ii) (iii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following metamorphic rocks has the most weather resisting characteristics? Quartzite Slate Lime stone Marble Quartzite Slate Lime stone Marble ANSWER DOWNLOAD EXAMIANS APP
Building Materials If the iron ore contains clay as an impurity, the flux added during calcination, is All listed here Lime stone Clay Argillaceous iron ore All listed here Lime stone Clay Argillaceous iron ore ANSWER DOWNLOAD EXAMIANS APP
Building Materials A first class brick when immersed in cold water for 24 hours should not absorb water more than 20 % 22 % 25 % 15 % 20 % 22 % 25 % 15 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most important constituent of varnish, is Resin Solvent All listed here Drier Resin Solvent All listed here Drier ANSWER DOWNLOAD EXAMIANS APP
Building Materials Wrought iron contains carbon upto 0.25 % 1.5 % 2.0 % 1.0 % 0.25 % 1.5 % 2.0 % 1.0 % ANSWER DOWNLOAD EXAMIANS APP
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