Materials and Construction Which of the following is a non-magnetic material? Cobalt None of these Zinc Nickel Cobalt None of these Zinc Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Acidic refractory Lead or acid-proof bricks Rubber Karbate Acidic refractory Lead or acid-proof bricks Rubber Karbate ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material used in the filament of electric bulbs is Nichrome Tungsten Constantan German silver Nichrome Tungsten Constantan German silver ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Graphite is corroded by Sulphuric acid (10%) Sea water None of these Hydrochloric acid Sulphuric acid (10%) Sea water None of these Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Containers made of high silicon cast iron (14% Si) are not suitable for the storage of Acetic acid Benzoic & boric acids Hydrochloric acid (concentrated) Phosphoric acid (95%) & sulphuric acid (95%) Acetic acid Benzoic & boric acids Hydrochloric acid (concentrated) Phosphoric acid (95%) & sulphuric acid (95%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Glass lined vessels are not used for handling/storing Hydroflouric acid Dilute H₂SO₄ Dilute HNO₃ Dilute HCl Hydroflouric acid Dilute H₂SO₄ Dilute HNO₃ Dilute HCl ANSWER DOWNLOAD EXAMIANS APP
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