Building Materials The standard size of masonry bricks, is 19 cm x 9 cm x 9 cm 21 cm x 11 cm x 11 cm 18 cm x 8 cm x 8 cm 20 cm x 10 cm x 10 cm 19 cm x 9 cm x 9 cm 21 cm x 11 cm x 11 cm 18 cm x 8 cm x 8 cm 20 cm x 10 cm x 10 cm ANSWER DOWNLOAD EXAMIANS APP
Building Materials Wrought iron contains carbon about 0.5% to 1.75% 1.5% to 5.5% 0.1% to 0.25% None to these 0.5% to 1.75% 1.5% to 5.5% 0.1% to 0.25% None to these ANSWER DOWNLOAD EXAMIANS APP
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 (iv) (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Portland cement manufactured from pure white chalk and clay but free from iron-oxide, is known as Quick setting cement White cement Low heat Portland cement Rapid hardening cement Quick setting cement White cement Low heat Portland cement Rapid hardening cement ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good quality stone absorbs water less than 15 % 25 % 10 % 5 % 15 % 25 % 10 % 5 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick lime is (i) Slow in setting (ii) Rapid in slacking (iii) Good in strength Only (ii) Both (ii) and (iii) Both (i) and (ii) Only (i) Only (ii) Both (ii) and (iii) Both (i) and (ii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
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