Building Materials Bitumen felt All listed here Is used as water proofing material Is used as damp proofing material Is made from bitumen and hessian fibres All listed here Is used as water proofing material Is used as damp proofing material Is made from bitumen and hessian fibres ANSWER DOWNLOAD EXAMIANS APP
Building Materials The normal curing period for lime mortar, is: 9 days 5 days 3 days 7 days 9 days 5 days 3 days 7 days ANSWER DOWNLOAD EXAMIANS APP
Building Materials Non acid-resistant asbestos is: Tremolite asbestos Chrysotile asbestos None of these Amosite asbestos Tremolite asbestos Chrysotile asbestos None of these Amosite asbestos ANSWER DOWNLOAD EXAMIANS APP
Building Materials Second class bricks Produce a metallic sound when struck Are of dark brown color Are well burnt Are under burnt Produce a metallic sound when struck Are of dark brown color Are well burnt Are under burnt ANSWER DOWNLOAD EXAMIANS APP
Building Materials For a good building stone, its specific gravity should the greater than 2.5 2.7 3.7 2.3 2.5 2.7 3.7 2.3 ANSWER DOWNLOAD EXAMIANS APP
Building Materials First class timber has an average life of More than 10 years 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 ANSWER DOWNLOAD EXAMIANS APP
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