Building Materials First class timber has an average life of 5 to 10 years Less than one year More than 10 years 1 to 5 years 5 to 10 years Less than one year More than 10 years 1 to 5 years ANSWER DOWNLOAD EXAMIANS APP
Building Materials The weight of a good quality brick when immersed in water for a period of 16 hours should not exceed the weight of dry brick None of these 10 % 15 % 20 % None of these 10 % 15 % 20 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast steel is manufactured by Open hearth process Cementation process Bessemer process Crucible process Open hearth process Cementation process Bessemer process Crucible process ANSWER DOWNLOAD EXAMIANS APP
Building Materials For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of 1 : 6 1 : 3 1 : 2 1 : 4 1 : 6 1 : 3 1 : 2 1 : 4 ANSWER DOWNLOAD EXAMIANS APP
Building Materials For a good building stone, its specific gravity should the greater than 2.3 3.7 2.5 2.7 2.3 3.7 2.5 2.7 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of carbon content in mild steel is Less than 0.25 Between 0.25 and 0.7 Greater than 1.5 Between 0.7 and 1.5 Less than 0.25 Between 0.25 and 0.7 Greater than 1.5 Between 0.7 and 1.5 ANSWER DOWNLOAD EXAMIANS APP
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