Materials and Construction Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) Do not require heat treatment for any of its applications Are used for leaf and coiled springs Do not have good resilience properties Is tempered at 850°C Do not require heat treatment for any of its applications Are used for leaf and coiled springs Do not have good resilience properties Is tempered at 850°C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hydrochloric acid is __________ corrosive to common metals. Least Not Highly Mildly Least Not Highly Mildly ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following constituents of cast iron is mainly responsible for imparting it an anti-corrosive property? None of these Phosphorus Sulphur Silicon None of these Phosphorus Sulphur Silicon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Glass lined vessels are not used for handling Dilute HNO₃ Hydroflouric acid Dilute HCI Dilute HNO₃ Dilute HNO₃ Hydroflouric acid Dilute HCI Dilute HNO₃ ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Zircalloy used as a fuel cladding material in a nuclear reactor (thermal) is an alloy of zirconium None of these And copper And graphite Tin, nickel, iron and chromium None of these And copper And graphite Tin, nickel, iron and chromium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Perspex is nothing but Aluminium foil clad with bakelite An elastomer Acrylic sheet An alloy of lead and tin Aluminium foil clad with bakelite An elastomer Acrylic sheet An alloy of lead and tin ANSWER DOWNLOAD EXAMIANS APP
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