Building Materials The age of a tree can be known by examining Medullary rays Heart wood Cambium layer Annular rings Medullary rays Heart wood Cambium layer Annular rings ANSWER DOWNLOAD EXAMIANS APP
Building Materials If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called 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 Pick up the correct statement from the following: Method of sawing timber All of these Cut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawing In four quarters such that each board cuts annual rings at angles not less than 45°, is known as quarter sawing method Tangentially to annual rings, is known as tangential method All of these Cut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawing In four quarters such that each board cuts annual rings at angles not less than 45°, is known as quarter sawing method Tangentially to annual rings, is known as tangential method ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks formed by gradual deposition, are called Igneous rocks Metamorphic rocks None of these Sedimentary rocks Igneous rocks Metamorphic rocks None of these Sedimentary rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main ingredients of Portland cement are Lime and alumina Lime and silica Lime and iron Silica and alumina Lime and alumina Lime and silica Lime and iron Silica and alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called Open hearth process Bessemer process Crucible process Cementation process Open hearth process Bessemer process Crucible process Cementation process ANSWER DOWNLOAD EXAMIANS APP