Building Materials Asbestos All of these Contains iron oxide and alumina Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) Is a natural fibrous mineral substance All of these Contains iron oxide and alumina Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) Is a natural fibrous mineral substance ANSWER DOWNLOAD EXAMIANS APP
Building Materials Spirit varnish generally consists of Pigment and synthetic resin Alcohol, wax and turpentine Oil, wax and resin Spirit and shellac Pigment and synthetic resin Alcohol, wax and turpentine Oil, wax and resin Spirit and shellac ANSWER DOWNLOAD EXAMIANS APP
Building Materials Inner part of a timber log surrounding the pitch, is called Cambium layer Heart wood None to these Sapwood Cambium layer Heart wood None to these Sapwood ANSWER DOWNLOAD EXAMIANS APP
Building Materials In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is 45° 60° Right angles Parallel 45° 60° Right angles Parallel ANSWER DOWNLOAD EXAMIANS APP
Building Materials For melting one tonne of cast iron 700 m3 air is required 20 kg limestone is required One quintal coke is required All listed here 700 m3 air is required 20 kg limestone is required One quintal coke is required All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials French polish is Spirit varnish None to these Distemper Oil paint Spirit varnish None to these Distemper Oil paint ANSWER DOWNLOAD EXAMIANS APP
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