Building Materials According to IS specifications, the compressive strength of ordinary Portland cement after three days should not be less than 16 MPa 11.5 MPa 7 MPa 21 MPa 16 MPa 11.5 MPa 7 MPa 21 MPa 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) (i) and (ii) (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii) (ii) and (iii) (iii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials In a mortar, the binding material is Cement Cinder Sand Surkhi (brick-dust) Cement Cinder Sand Surkhi (brick-dust) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The cement becomes unsound by the presence of excess Sulphur Magnesia All of these Lime Sulphur Magnesia All of these Lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials Three basic raw materials which are needed in large quantities for production of steel are Iron ore, carbon and sulphur Iron ore, carbon and lime stone Iron ore, coal and sulphur Iron ore, coal and lime stone Iron ore, carbon and sulphur Iron ore, carbon and lime stone Iron ore, coal and sulphur Iron ore, coal and lime stone ANSWER DOWNLOAD EXAMIANS APP
Building Materials Expansion Joints in masonry walls are provided in wall lengths usater than 30 m 20 m 10 m 40 m 30 m 20 m 10 m 40 m ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS