Building Materials The normal curing period for lime mortar, is: 9 days 3 days 7 days 5 days 9 days 3 days 7 days 5 days ANSWER DOWNLOAD EXAMIANS APP
Building Materials Initial setting time of cement for asbestos cement products should be not less than 30 minutes 50 minutes 75 minutes 90 minutes 30 minutes 50 minutes 75 minutes 90 minutes ANSWER DOWNLOAD EXAMIANS APP
Building Materials Non acid-resistant asbestos is: Tremolite asbestos None of these Amosite asbestos Chrysotile asbestos Tremolite asbestos None of these Amosite asbestos Chrysotile asbestos ANSWER DOWNLOAD EXAMIANS APP
Building Materials The steel used for the manufacture of rails, is Stainless steel Cast steel Mild steel Bessemer steel Stainless steel Cast steel Mild steel Bessemer steel ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: All listed here About 20% to 30% of alumina Not more than 5% of lime About 50% to 60% of silica All listed here About 20% to 30% of alumina Not more than 5% of lime About 50% to 60% of silica ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gypsum consists of CO₂ and calcium CaSO4 and H₂O Lime and H₂O H₂S and CO₂ CO₂ and calcium CaSO4 and H₂O Lime and H₂O H₂S and CO₂ ANSWER DOWNLOAD EXAMIANS APP
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