Building Materials Pig iron is manufactured from the ores by Smelting All of these Dressing Calcination and roasting Smelting All of these Dressing Calcination and roasting ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bessemer process is used for the manufacture of Wrought iron Pig iron Steel Cast iron Wrought iron Pig iron Steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials Expansion Joints in masonry walls are provided in wall lengths usater than 30 m 40 m 10 m 20 m 30 m 40 m 10 m 20 m ANSWER DOWNLOAD EXAMIANS APP
Building Materials First class timber has an average life of Less than one year 1 to 5 years 5 to 10 years More than 10 years Less than one year 1 to 5 years 5 to 10 years More than 10 years ANSWER DOWNLOAD EXAMIANS APP
Building Materials Inner part of a timber log surrounding the pitch, is called None to these Heart wood Cambium layer Sapwood None to these Heart wood Cambium layer Sapwood ANSWER DOWNLOAD EXAMIANS APP
Building Materials The fire clay contains pure Lime Hydrated aluminium silicate Oxide of iron Magnesium Lime Hydrated aluminium silicate Oxide of iron Magnesium ANSWER DOWNLOAD EXAMIANS APP