Building Materials Permanent magnets are made of high carbon steel and 45% of cobalt 20% of cobalt 35% of cobalt 15% of cobalt 45% of cobalt 20% of cobalt 35% of cobalt 15% of cobalt ANSWER DOWNLOAD EXAMIANS APP
Building Materials Steel contains carbon approximately None to these 1.50% to 5.6% 0.25 % 0.05% to 1.75% None to these 1.50% to 5.6% 0.25 % 0.05% to 1.75% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Addition of pozzolana to ordinary Portland cement increases Shrinkage Permeability Bleeding Heat of hydration Shrinkage Permeability Bleeding Heat of hydration ANSWER DOWNLOAD EXAMIANS APP
Building Materials The usual percentages of clay and metal in cermet are: 80%, 20% 50%, 50% 60%, 40% 70%, 30% 80%, 20% 50%, 50% 60%, 40% 70%, 30% ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good quality stone absorbs water less than 15 % 25 % 5 % 10 % 15 % 25 % 5 % 10 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following represents a metamorphic rock? (i) Slate (ii) Shale (iii) Quartzite Both (i) and (iii) All (i), (ii) and (iii) Only (iii) Both (ii) and (iii) Both (i) and (iii) All (i), (ii) and (iii) Only (iii) Both (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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