Building Materials A good brick earth should contain: All listed here About 20% to 30% of alumina About 50% to 60% of silica Not more than 5% of lime All listed here About 20% to 30% of alumina About 50% to 60% of silica Not more than 5% of lime 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 Low heat cement Rapid hardening cement Ordinary Portland cement Sulphate resisting cement Low heat cement Rapid hardening cement ANSWER DOWNLOAD EXAMIANS APP
Building Materials Blister steel All listed here Is obtained by cementation process Is full of fissures and cavities Can be easily welded All listed here Is obtained by cementation process Is full of fissures and cavities Can be easily welded ANSWER DOWNLOAD EXAMIANS APP
Building Materials Chemically, marble is known as Calcareous rock Metamorphic rock Siliceous rock Argillaceous rock Calcareous rock Metamorphic rock Siliceous rock Argillaceous rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as Bessemer pig White or forge pig Mottled pig Grey or foundry pig Bessemer pig White or forge pig Mottled pig Grey or foundry pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials Assertion A : Pure lime takes a long time to develop adequate strength.Reason R : Pure lime has slow hardening characteristics.Select your answer according to the coding system given below: Both A and R is true and R is not a correct explanation of A A is true but R is false A is false but R is true Both A and R is true and R is correct explanation of A Both A and R is true and R is not a correct explanation of A A is true but R is false A is false but R is true Both A and R is true and R is correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
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