Building Materials The rocks having alumina or clay as their major constituents are known as Calcareous rocks Siliceous rocks Sedimentary rocks Argillaceous rocks Calcareous rocks Siliceous rocks Sedimentary rocks Argillaceous rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively: 10, 15, 75 75, 10, 15 15, 75, 10 10, 75, 15 10, 15, 75 75, 10, 15 15, 75, 10 10, 75, 15 ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good building stone should not absorb water more than 20 % 10 % 5 % 15 % 20 % 10 % 5 % 15 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following cements is suitable for use in massive concrete structures such as large dams? Rapid hardening cement Low heat cement Ordinary Portland cement Sulphate resisting cement Rapid hardening cement Low heat cement Ordinary Portland cement Sulphate resisting cement ANSWER DOWNLOAD EXAMIANS APP
Building Materials A first class brick when immersed in cold water for 24 hours should not absorb water more than 15 % 22 % 20 % 25 % 15 % 22 % 20 % 25 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Compared to mild steel, cast iron has(i) High compressive strength(ii) High tensile strength(iii) Low compressive strength(iv) Low tensile strength (i) and (ii) (iii) and (iv) (i) and (iv) (ii) and (iii) (i) and (ii) (iii) and (iv) (i) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP