Building Materials The coefficient of hardness of stones used in road work should be greater than 12 15 17 10 12 15 17 10 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The thermosetting plastic 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 All listed here Chars at 343°C 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 All listed here Chars at 343°C ANSWER DOWNLOAD EXAMIANS APP
Building Materials The slenderness ratio for masonry walls should not be more than 40 30 20 10 40 30 20 10 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called Cementation process Crucible process Open hearth process Bessemer process Cementation process Crucible process Open hearth process Bessemer process ANSWER DOWNLOAD EXAMIANS APP
Building Materials Early attainment of strength in rapid hardening cement is mainly due to Tri-calcium aluminate Gypsum Finer grinding Tri-calcium silicate Tri-calcium aluminate Gypsum Finer grinding Tri-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: About 50% to 60% of silica Not more than 5% of lime About 20% to 30% of alumina All listed here About 50% to 60% of silica Not more than 5% of lime About 20% to 30% of alumina All listed here ANSWER DOWNLOAD EXAMIANS APP
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