Building Materials According to IS specifications, the compressive strength of ordinary Portland cement after three days should not be less than 21 MPa 11.5 MPa 16 MPa 7 MPa 21 MPa 11.5 MPa 16 MPa 7 MPa ANSWER DOWNLOAD EXAMIANS APP
Building Materials Rapid hardening cement attains early strength due to Lesser proportion of lime grounded coarser than normal cement Lesser proportion of lime grounded finer than normal cement Larger proportion of lime grounded finer than normal cement Excess percentage of gypsum Lesser proportion of lime grounded coarser than normal cement Lesser proportion of lime grounded finer than normal cement Larger proportion of lime grounded finer than normal cement Excess percentage of gypsum ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gypsum consists of CO₂ and calcium CaSO4 and H₂O Lime and H₂O H₂S and CO₂ CO₂ and calcium CaSO4 and H₂O Lime and H₂O H₂S and CO₂ ANSWER DOWNLOAD EXAMIANS APP
Building Materials The pigment used in paints for corrosive resistance, is Ferrous oxide White lead Red lead Zinc white Ferrous oxide White lead Red lead Zinc white ANSWER DOWNLOAD EXAMIANS APP
Building Materials The method of addition polymerization is used for obtaining: All of these Polypropylene Polyvinylchloride Polystyrene All of these Polypropylene Polyvinylchloride Polystyrene 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 (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
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