Building Materials A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than 25 % 20 % 10 % 15 % 25 % 20 % 10 % 15 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following cements contains maximum percentage of dicalcium silicate? Sulphate resisting cement Rapid hardening cement Ordinary Portland cement Low heat cement Sulphate resisting cement Rapid hardening cement Ordinary Portland cement Low heat cement ANSWER DOWNLOAD EXAMIANS APP
Building Materials Index number expressing the relative sizes of both coarse and fine aggregates, is called Proportioning of aggregates Grading of aggregates None of these Fineness modulus Proportioning of aggregates Grading of aggregates None of these Fineness modulus ANSWER DOWNLOAD EXAMIANS APP
Building Materials For testing compressive strength of cement, the size of cube used is 70.6 mm 50 mm 150 mm 100 mm 70.6 mm 50 mm 150 mm 100 mm ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: About 50% to 60% of silica Not more than 5% of lime All listed here About 20% to 30% of alumina About 50% to 60% of silica Not more than 5% of lime All listed here About 20% to 30% of alumina ANSWER DOWNLOAD EXAMIANS APP
Building Materials Excess of silica in brick earth results in cracking and warping of bricks loss of cohesion enhancing the impermeability of bricks None of these cracking and warping of bricks loss of cohesion enhancing the impermeability of bricks None of these ANSWER DOWNLOAD EXAMIANS APP
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