Building Materials Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as White or forge pig Mottled pig Grey or foundry pig Bessemer pig White or forge pig Mottled pig Grey or foundry pig Bessemer pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials Ultimate strength to cement is provided by Tri-calcium silicate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Building Materials The thermosetting plastic At 127°C to 177°C permanently set and further application of heat does not soften it Becomes rigid when moulded at suitable pressure and temperature Chars at 343°C All listed here At 127°C to 177°C permanently set and further application of heat does not soften it Becomes rigid when moulded at suitable pressure and temperature Chars at 343°C All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: Not more than 5% of lime All listed here About 20% to 30% of alumina About 50% to 60% of silica Not more than 5% of lime All listed here About 20% to 30% of alumina About 50% to 60% of silica ANSWER DOWNLOAD EXAMIANS APP
Building Materials Clay and silt content in a good brick earth must be at least 50 % 30 % 20 % 40 % 50 % 30 % 20 % 40 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bullet proof glass is made of thick glass sheet sandwiched by a layer of Steel Chromium plate Stainless steel High test plastic Steel Chromium plate Stainless steel High test plastic ANSWER DOWNLOAD EXAMIANS APP
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