Building Materials The thermosetting plastic Chars at 343°C All listed here Becomes rigid when moulded at suitable pressure and temperature At 127°C to 177°C permanently set and further application of heat does not soften it Chars at 343°C All listed here Becomes rigid when moulded at suitable pressure and temperature At 127°C to 177°C permanently set and further application of heat does not soften it ANSWER DOWNLOAD EXAMIANS APP
Building Materials Excess of alumina in brick earth makes the brick To crack and warp on drying To lose cohesion Brittle and weak Impermeable To crack and warp on drying To lose cohesion Brittle and weak Impermeable 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 One part of white lead, 8 parts of chalk and four parts of twice boiled linseed oil None to these 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 One part of white lead, 8 parts of chalk and four parts of twice boiled linseed oil None to these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Age of a tree may be ascertained by Number of annual rings Circumference of its stem Number of branches Radius of its stem Number of annual rings Circumference of its stem Number of branches Radius of its stem ANSWER DOWNLOAD EXAMIANS APP
Building Materials When a brick is immersed in water for 24 hours and then dried, if All listed here 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence No grey or white deposits appear on the surface, the brick is free from soluble salts All listed here 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence No grey or white deposits appear on the surface, the brick is free from soluble salts ANSWER DOWNLOAD EXAMIANS APP
Building Materials The commonly used color pigment in paints, is Ambers Iron oxide Carbon black All listed here Ambers Iron oxide Carbon black All listed here ANSWER DOWNLOAD EXAMIANS APP
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