Building Materials Excess of alumina in brick earth makes the brick Impermeable Brittle and weak To lose cohesion To crack and warp on drying Impermeable Brittle and weak To lose cohesion To crack and warp on drying ANSWER DOWNLOAD EXAMIANS APP
Building Materials The process of mixing clay, water and other ingredients to make brick is known as Kneading Drying Moulding Pugging Kneading Drying Moulding Pugging ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: 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 All listed here 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
Building Materials The pigment used in paints for corrosive resistance, is Ferrous oxide Zinc white White lead Red lead Ferrous oxide Zinc white White lead Red lead ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of silica in a good brick earth lies between 5 to 10 % 70 to 80 % 20 to 30 % 50 to 60 % 5 to 10 % 70 to 80 % 20 to 30 % 50 to 60 % ANSWER DOWNLOAD EXAMIANS APP