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 The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner are known as Rindgalls Knots None of these Burls Rindgalls Knots None of these Burls ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as White or forge pig Bessemer pig Grey or foundry pig Mottled pig White or forge pig Bessemer pig Grey or foundry pig Mottled pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sandstone is a(i) Sedimentary rock(ii) Aqueous rock(iii) Siliceous rock Only (i) Both (i) and (iii) Both (i) and (ii) All (i), (ii) and (iii) Only (i) Both (i) and (iii) Both (i) and (ii) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The practical limit of moisture content achieved in air drying of timber is 15 % 35 % 5 % 25 % 15 % 35 % 5 % 25 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following cements is suitable for use in massive concrete structures such as large dams? Ordinary Portland cement Sulphate resisting cement Rapid hardening cement Low heat cement Ordinary Portland cement Sulphate resisting cement Rapid hardening cement Low heat cement ANSWER DOWNLOAD EXAMIANS APP
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