Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Karbate Acidic refractory Lead or acid-proof bricks Rubber Karbate Acidic refractory Lead or acid-proof bricks Rubber ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material used in the filament of electric bulbs is German silver Nichrome Tungsten Constantan German silver Nichrome Tungsten Constantan ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon is present in steel wholly in the Free state as graphite Both A & B Combined form Neither A nor B Free state as graphite Both A & B Combined form Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the hardest material? Corrundum Flourite Quartz Topaz Corrundum Flourite Quartz Topaz ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Liquid ammonia is shipped in __________ containers. Lead lined Steel Aluminium Glass Lead lined Steel Aluminium Glass ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Centrifugal pump made of pyrex or glass can't be used to pump Alkaline solutions Brine Dilute H₂SO₄ at room temperature Milk and fruit juices Alkaline solutions Brine Dilute H₂SO₄ at room temperature Milk and fruit juices ANSWER DOWNLOAD EXAMIANS APP