Building Materials The most important tool in brick laying for lifting and spreading mortar and for forming joints is Square Scutch Trowel Bolster Square Scutch Trowel Bolster ANSWER DOWNLOAD EXAMIANS APP
Building Materials A first class brick when immersed in cold water for 24 hours should not absorb water more than 15 % 20 % 25 % 22 % 15 % 20 % 25 % 22 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Slate is formed by metamorphic action on Lime stone Sand stone Granite Shale Lime stone Sand stone Granite Shale ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks formed by gradual deposition, are called Metamorphic rocks None of these Igneous rocks Sedimentary rocks Metamorphic rocks None of these Igneous rocks Sedimentary rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plastic asphalt is A natural asphalt A refinery product A mixture of cement and asphalt Used as a water proofing layer over roof A natural asphalt A refinery product A mixture of cement and asphalt Used as a water proofing layer over roof ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most common admixture which is used to accelerate the initial set of concrete is Calcium carbonate None of these Gypsum Calcium chloride Calcium carbonate None of these Gypsum Calcium chloride ANSWER DOWNLOAD EXAMIANS APP