Building Materials Rocks formed due to alteration of original structure due to heat and excessive pressure are called None of these Metamorphic rocks Igneous rocks Sedimentary rocks None of these Metamorphic rocks Igneous rocks Sedimentary rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Invar contains 12% of nickel 36% of nickel 24% of nickel 30% of nickel 12% of nickel 36% of nickel 24% of nickel 30% of nickel ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gneiss is obtained from Sedimentary metamorphic rocks Sedimentary rocks Metamorphic rocks Igneous rocks Sedimentary metamorphic rocks Sedimentary rocks Metamorphic rocks Igneous rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the correct statement from the following: Method of sawing timber In four quarters such that each board cuts annual rings at angles not less than 45°, is known as quarter sawing method Cut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawing All of these Tangentially to annual rings, is known as tangential method In four quarters such that each board cuts annual rings at angles not less than 45°, is known as quarter sawing method Cut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawing All of these Tangentially to annual rings, is known as tangential method ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asphalt is obtained from Plastic distillation Bitumen distillation Petroleum distillation None of these Plastic distillation Bitumen distillation Petroleum distillation None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron is manufactured from the ores by Calcination and roasting Smelting Dressing All of these Calcination and roasting Smelting Dressing All of these ANSWER DOWNLOAD EXAMIANS APP