Building Materials Calcination of iron ores is done By roasting in heaps All listed here To remove carbonic acid To remove moisture By roasting in heaps All listed here To remove carbonic acid To remove moisture ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast iron Is obtained by purifying pig iron All listed here Is manufactured in required shapes May contain 2 to 5 per cent of carbon with other impurities Is obtained by purifying pig iron All listed here Is manufactured in required shapes May contain 2 to 5 per cent of carbon with other impurities ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gypsum consists of CO₂ and calcium Lime and H₂O H₂S and CO₂ CaSO4 and H₂O CO₂ and calcium Lime and H₂O H₂S and CO₂ CaSO4 and H₂O ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following stresses is used for identifying the quality of structural steel? Yield stress None of these Ultimate stress Proof stress Yield stress None of these Ultimate stress Proof stress ANSWER DOWNLOAD EXAMIANS APP
Building Materials For high grade instruments the steel preferred to, is Bessemer steel Whitworth compressed steel Cast steel Mild steel Bessemer steel Whitworth compressed steel Cast steel Mild steel ANSWER DOWNLOAD EXAMIANS APP
Building Materials Galvanising means covering iron with a thin coat of Zinc Tin Coal tar Glaze Zinc Tin Coal tar Glaze ANSWER DOWNLOAD EXAMIANS APP