Building Materials First class timber has an average life of 5 to 10 years 1 to 5 years Less than one year More than 10 years 5 to 10 years 1 to 5 years Less than one year More than 10 years ANSWER DOWNLOAD EXAMIANS APP
Building Materials Brass is an alloy of Copper and zinc Zinc and nickel Tin and silver Zinc and lead Copper and zinc Zinc and nickel Tin and silver Zinc and lead ANSWER DOWNLOAD EXAMIANS APP
Building Materials The practical limit of moisture content achieved in air drying of timber is 35 % 15 % 5 % 25 % 35 % 15 % 5 % 25 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks formed by gradual deposition, are called Sedimentary rocks Metamorphic rocks Igneous rocks None of these Sedimentary rocks Metamorphic rocks Igneous rocks None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The filler used in plastic bitumen, is Plastic powder Shale powder Talc powder Asbestos powder Plastic powder Shale powder Talc powder Asbestos powder ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast steel is manufactured by Cementation process Bessemer process Crucible process Open hearth process Cementation process Bessemer process Crucible process Open hearth process ANSWER DOWNLOAD EXAMIANS APP
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