Building Materials Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good brick earth? Alkalies and magnesium Silica and alkalies Alumina and iron Lime stone and alumina Alkalies and magnesium Silica and alkalies Alumina and iron Lime stone and alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick lime (or caustic lime) Has great affinity to moisture All of these Is amorphous Is obtained by the calcination of pure lime stone Has great affinity to moisture All of these Is amorphous Is obtained by the calcination of pure lime stone ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bituminous fells are used for P.C. None to these Covering A.C. sheets Covering sloping roofs P.C. None to these Covering A.C. sheets Covering sloping roofs ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main ingredients of Portland cement are Lime and silica Silica and alumina Lime and alumina Lime and iron Lime and silica Silica and alumina Lime and alumina Lime and iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials Slacking of lime is affected by Crushing the lime lumps Immersing the lime in water None of these Keeping it exposed to air Crushing the lime lumps Immersing the lime in water None of these Keeping it exposed to air ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast steel is manufactured by Bessemer process Open hearth process Crucible process Cementation process Bessemer process Open hearth process Crucible process Cementation process ANSWER DOWNLOAD EXAMIANS APP
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