Building Materials Depending on the chemical composition and mechanical properties, iron may be classified as Wrought iron All of these Cast iron Steel Wrought iron All of these Cast iron Steel ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina in a good brick earth lies between 50 to 60 % 5 to 10 % 70 to 80 % 20 to 30 % 50 to 60 % 5 to 10 % 70 to 80 % 20 to 30 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The normal consistency of ordinary Portland cement is about 40 % 30 % 10 % 20 % 40 % 30 % 10 % 20 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sea sand used in structures causes Dampness All of these Efflorescence Disintegration Dampness All of these Efflorescence Disintegration ANSWER DOWNLOAD EXAMIANS APP
Building Materials Slacking of lime is affected by Immersing the lime in water None of these Keeping it exposed to air Crushing the lime lumps Immersing the lime in water None of these Keeping it exposed to air Crushing the lime lumps ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quick lime is (i) Slow in setting (ii) Rapid in slacking (iii) Good in strength Both (ii) and (iii) Only (i) Only (ii) Both (i) and (ii) Both (ii) and (iii) Only (i) Only (ii) Both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
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