Building Materials The slag which floats on the surface of the molten iron generally contains Silica (SiO2) 35% All listed here Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% Lime (CaO) 45% Silica (SiO2) 35% All listed here Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% Lime (CaO) 45% ANSWER DOWNLOAD EXAMIANS APP
Building Materials The filler used in plastic bitumen, is Asbestos powder Shale powder Plastic powder Talc powder Asbestos powder Shale powder Plastic powder Talc powder ANSWER DOWNLOAD EXAMIANS APP
Building Materials The commonly used color pigment in paints, is All listed here Ambers Carbon black Iron oxide All listed here Ambers Carbon black Iron oxide ANSWER DOWNLOAD EXAMIANS APP
Building Materials Assertion A : Paints with white lead base are not recommended for painting of iron works.Reason R : Paints with white lead base do not check rusting of iron.Select your answer according to the coding system given below: Both A and R is true but R is not the correct explanation of A A is true but R is false Both A and R is true and, R is the correct explanation of A A is false but R is true Both A and R is true but R is not the correct explanation of A A is true but R is false Both A and R is true and, R is the correct explanation of A A is false but R is true ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast iron contains carbon approximately 0.250 % 0.05% to 1.75% 1.5% to 5.5% None to these 0.250 % 0.05% to 1.75% 1.5% to 5.5% None to these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The portion of a brick cut to form angles other than right angles in plan, is known as King closer Squint brick Closer Queen closer King closer Squint brick Closer Queen closer ANSWER DOWNLOAD EXAMIANS APP
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