Building Materials A good brick earth should contain: About 20% to 30% of alumina All listed here Not more than 5% of lime About 50% to 60% of silica About 20% to 30% of alumina All listed here Not more than 5% of lime About 50% to 60% of silica ANSWER DOWNLOAD EXAMIANS APP
Building Materials Soundness of cement is tested by Le-chatelier apparatus Compressive strength testing apparatus None of these Vicat's apparatus Le-chatelier apparatus Compressive strength testing apparatus None of these Vicat's apparatus ANSWER DOWNLOAD EXAMIANS APP
Building Materials Stones used for the construction of retaining walls must be Heavy Hard Light Soft Heavy Hard Light Soft ANSWER DOWNLOAD EXAMIANS APP
Building Materials Wrought iron contains carbon about 0.1% to 0.25% 1.5% to 5.5% None to these 0.5% to 1.75% 0.1% to 0.25% 1.5% to 5.5% None to these 0.5% to 1.75% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast iron All listed here May contain 2 to 5 per cent of carbon with other impurities Is obtained by purifying pig iron Is manufactured in required shapes All listed here May contain 2 to 5 per cent of carbon with other impurities Is obtained by purifying pig iron Is manufactured in required shapes ANSWER DOWNLOAD EXAMIANS APP
Building Materials The basic purpose of a retarder in concrete is To improve the workability of concrete mix To render the concrete more water tight To increase the initial setting time of cement paste in concrete To decrease the initial setting time of cement paste in concrete To improve the workability of concrete mix To render the concrete more water tight To increase the initial setting time of cement paste in concrete To decrease the initial setting time of cement paste in concrete ANSWER DOWNLOAD EXAMIANS APP
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