Building Materials Resins are Soluble in spirit Not soluble in water Left behind on evaporation of oil Used in varnishes Soluble in spirit Not soluble in water Left behind on evaporation of oil Used in varnishes ANSWER DOWNLOAD EXAMIANS APP
Building Materials Whitworth compressed steel is obtained when molten steel is subjected to a pressure of 13 kg/mm² 9 kg/mm² 5 kg/mm² 15 kg/mm² 13 kg/mm² 9 kg/mm² 5 kg/mm² 15 kg/mm² ANSWER DOWNLOAD EXAMIANS APP
Building Materials The hardest rock is Quartz Talc Diamond Marble Quartz Talc Diamond Marble ANSWER DOWNLOAD EXAMIANS APP
Building Materials Vanadium steel is generally used for Magnets Railway switches and crossing Axles and springs Bearing balls Magnets Railway switches and crossing Axles and springs Bearing balls ANSWER DOWNLOAD EXAMIANS APP
Building Materials For slaking of 10 kg of CaO, the theoretical amount of water is 2.2 kg None of these 1.5 kg 3.2 kg 2.2 kg None of these 1.5 kg 3.2 kg 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 (iii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) (iii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP