Building Materials The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner are known as Burls Knots None of these Rindgalls Burls Knots None of these Rindgalls ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as Grey or foundry pig Bessemer pig White or forge pig Mottled pig Grey or foundry pig Bessemer pig White or forge pig Mottled pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials Age of a tree may be ascertained by Number of annual rings Circumference of its stem Radius of its stem Number of branches Number of annual rings Circumference of its stem Radius of its stem Number of branches ANSWER DOWNLOAD EXAMIANS APP
Building Materials First class timber has an average life of 1 to 5 years Less than one year 5 to 10 years More than 10 years 1 to 5 years Less than one year 5 to 10 years More than 10 years ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the correct characteristic of Pyroxene from the following: It forms octagonal crystals All listed here It converts to chlorine by hydration It forms octagonal crystals All listed here It converts to chlorine by hydration ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: All listed here About 50% to 60% of silica Not more than 5% of lime About 20% to 30% of alumina All listed here About 50% to 60% of silica Not more than 5% of lime About 20% to 30% of alumina ANSWER DOWNLOAD EXAMIANS APP