Materials and Construction Constantan is an alloy of Cu (55%) & Ni (45%) Pt (95%) & Rh (10%) Cu (55%) & Sn (45%) Fe (80%) & Ni (20%) Cu (55%) & Ni (45%) Pt (95%) & Rh (10%) Cu (55%) & Sn (45%) Fe (80%) & Ni (20%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In the Contact process of sulphuric acid manufacture, 98% acid cooler is made of Cast iron Stainless steel Rubber lined steel Lead lined steel Cast iron Stainless steel Rubber lined steel Lead lined steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The process of coating steel sheets by zinc to improve its corrosion resistance is called Galvanising Calorising Zincification Tempering Galvanising Calorising Zincification Tempering ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Glass lined vessels are not used for handling/storing Dilute HCl Dilute HNO₃ Hydroflouric acid Dilute H₂SO₄ Dilute HCl Dilute HNO₃ Hydroflouric acid Dilute H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardening of steel is not possible unless it is heated __________ critical point. Above the highest Between the first & second Above the lowest Between the second & third Above the highest Between the first & second Above the lowest Between the second & third ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipe is Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain All of these Usually joined by burning (e.g. by melting to adjacent pieces with a torch) Especially resistant to solutions containing H₂SO₄ Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain All of these Usually joined by burning (e.g. by melting to adjacent pieces with a torch) Especially resistant to solutions containing H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
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