Building Materials The stones obtained by blasting are used as Aggregates for concrete All listed here Road metal Ballast in railways Aggregates for concrete All listed here Road metal Ballast in railways ANSWER DOWNLOAD EXAMIANS APP
Building Materials Softer variety of steel may be obtained by Open hearth process Crucible process Cementation process Bessemer process Open hearth process Crucible process Cementation process Bessemer process ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the constituent of good brick earth whose excess causes the raw bricks shrink and warp during drying and burning, from the following: Magnesia Iron-oxide Alumina Lime Magnesia Iron-oxide Alumina Lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials For melting one tonne of cast iron One quintal coke is required 20 kg limestone is required All listed here 700 m3 air is required One quintal coke is required 20 kg limestone is required All listed here 700 m3 air is required 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 Priming consists of 8 parts of white lead, one part of chalk and four parts of twice boiled linseed oil One part of white lead, 8 parts of chalk and one part of linseed oil None to these One part of white lead, 8 parts of chalk and four parts of twice boiled linseed oil 8 parts of white lead, one part of chalk and four parts of twice boiled linseed oil One part of white lead, 8 parts of chalk and one part of linseed oil None to these One part of white lead, 8 parts of chalk and four parts of twice boiled linseed oil ANSWER DOWNLOAD EXAMIANS APP