Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Rubber Lead or acid-proof bricks Karbate Acidic refractory Rubber Lead or acid-proof bricks Karbate Acidic refractory ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not a copper based alloy with nickel? Inconel German silver Constantan Monel metal Inconel German silver Constantan Monel metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb (OH)2. Acetic acid None of these Dilute HCI Concentrated H₂SO₄ Acetic acid None of these Dilute HCI Concentrated H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The chlorinator used in the manufacture of DDT is made of Glass lined steel Teflon Bakelite Glass Glass lined steel Teflon Bakelite Glass ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Duriron is Acid resistant, brittle and very hard Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion High silicon iron All of these Acid resistant, brittle and very hard Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion High silicon iron All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A material capable of undergoing large permanent deformation, when subjected to compression is termed as Ductile Malleable None of these Brittle Ductile Malleable None of these Brittle ANSWER DOWNLOAD EXAMIANS APP
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