Building Materials A good brick earth should contain: All listed here About 50% to 60% of silica About 20% to 30% of alumina Not more than 5% of lime All listed here About 50% to 60% of silica About 20% to 30% of alumina Not more than 5% of lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials Refractory bricks resist All listed here Chemical action High temperature Dampness All listed here Chemical action High temperature Dampness ANSWER DOWNLOAD EXAMIANS APP
Building Materials Initial setting time of cement for asbestos cement products should be not less than 90 minutes 75 minutes 30 minutes 50 minutes 90 minutes 75 minutes 30 minutes 50 minutes ANSWER DOWNLOAD EXAMIANS APP
Building Materials Study the following statements.(i) Hydraulic lime is suitable for white washing,(ii) Fat lime is suitable for whitewashing,(iii) Hydraulic lime is suitable for making mortar,(iv) Fat lime is suitable for making mortar. (i) and (ii) (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (iii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Oil varnish generally consists of Spirit, oil and wax Oil, wax and resin Resin, oil and turpentine Synthetic resin and spirit Spirit, oil and wax Oil, wax and resin Resin, oil and turpentine Synthetic resin and spirit ANSWER DOWNLOAD EXAMIANS APP
Building Materials The commonly used thinner in oil paints, is Turpentine Both (a) and (b) None the these Naphtha Turpentine Both (a) and (b) None the these Naphtha ANSWER DOWNLOAD EXAMIANS APP
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