Building Materials The age of a tree can be known by examining Heart wood Annular rings Medullary rays Cambium layer Heart wood Annular rings Medullary rays Cambium layer ANSWER DOWNLOAD EXAMIANS APP
Building Materials The commonly used drying oil for oil paints, is Kerosene oil Acetate of lead Olive oil Linseed oil Kerosene oil Acetate of lead Olive oil Linseed oil ANSWER DOWNLOAD EXAMIANS APP
Building Materials Linseed oil is used in paints as Drier Vehicle Thinner Base Drier Vehicle Thinner Base ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asphalt is obtained from Petroleum distillation None of these Plastic distillation Bitumen distillation Petroleum distillation None of these Plastic distillation Bitumen distillation ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asbestos is An incombustible fire proof material An organic substance All of these Corrugated sheet used for roofing An incombustible fire proof material An organic substance All of these Corrugated sheet used for roofing ANSWER DOWNLOAD EXAMIANS APP
Building Materials A first class brick when immersed in cold water for 24 hours should not absorb water more than 20 % 25 % 15 % 22 % 20 % 25 % 15 % 22 % ANSWER DOWNLOAD EXAMIANS APP
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