Building Materials The coefficient of hardness of stones used in road work should be greater than 17 15 12 10 17 15 12 10 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The proportions of lime and sand in the mortar normally used in brick construction are 1 : 4 1 : 8 1 : 6 1 : 2 1 : 4 1 : 8 1 : 6 1 : 2 ANSWER DOWNLOAD EXAMIANS APP
Building Materials For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of 1 : 6 1 : 2 1 : 3 1 : 4 1 : 6 1 : 2 1 : 3 1 : 4 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asbestos Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) All of these Contains iron oxide and alumina Is a natural fibrous mineral substance Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) All of these Contains iron oxide and alumina Is a natural fibrous mineral substance ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks in which argil (or clay) predominates, are called Argillaceous rocks Siliceous rocks Calcareous rocks Igneous rocks Argillaceous rocks Siliceous rocks Calcareous rocks Igneous rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bitumen felt is used for Both (A) and (B) Damp proofing Water proofing Neither (A) nor (B) Both (A) and (B) Damp proofing Water proofing Neither (A) nor (B) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS