Building Materials The percentage of alumina in a good brick earth lies between 70 to 80 % 5 to 10 % 50 to 60 % 20 to 30 % 70 to 80 % 5 to 10 % 50 to 60 % 20 to 30 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The ultimate tensile strength of structural mild steel is about ANSWER DOWNLOAD EXAMIANS APP
Building Materials Clay and silt content in a good brick earth must be at least 20 % 30 % 40 % 50 % 20 % 30 % 40 % 50 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following has more fire resisting characteristics? Compact sand stone Marble Granite Lime stone Compact sand stone Marble Granite Lime stone 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 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 ANSWER DOWNLOAD EXAMIANS APP
Building Materials A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than 15 % 20 % 10 % 25 % 15 % 20 % 10 % 25 % ANSWER DOWNLOAD EXAMIANS APP
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