Building Materials The main ingredients of Portland cement are Silica and alumina Lime and alumina Lime and iron Lime and silica Silica and alumina Lime and alumina Lime and iron Lime and silica 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) (iii) and (iv) (i) and (iv) (i) and (ii) (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast iron is used for Structural works in beams None to these Columns and struts Small sized water pipes Structural works in beams None to these Columns and struts Small sized water pipes ANSWER DOWNLOAD EXAMIANS APP
Building Materials Vanadium steel is generally used for Bearing balls Railway switches and crossing Axles and springs Magnets Bearing balls Railway switches and crossing Axles and springs Magnets ANSWER DOWNLOAD EXAMIANS APP
Building Materials Acrylic sheets All of these Possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness Are generally unaffected by most household detergents Possess the light transmission rate of 93% All of these Possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness Are generally unaffected by most household detergents Possess the light transmission rate of 93% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Granite is not suitable for ordinary building purpose because it is not a fire proof material it can not be polished it is costly it has less crushing strength it is not a fire proof material it can not be polished it is costly it has less crushing strength ANSWER DOWNLOAD EXAMIANS APP
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