Materials and Construction Glass lined vessels are not used for handling/storing Dilute HNO₃ Dilute H₂SO₄ Hydroflouric acid Dilute HCl Dilute HNO₃ Dilute H₂SO₄ Hydroflouric acid Dilute HCl ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pure nickel is Not resistant to oxidation at high temperature Ferromagnetic above its curie point (i.e., 415°C) Having h.c.p. crystal lattice Ferromagnetic at room temperature Not resistant to oxidation at high temperature Ferromagnetic above its curie point (i.e., 415°C) Having h.c.p. crystal lattice Ferromagnetic at room temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The increase in hardness of metal due to its cold working is termed as the __________ hardening. Flame Induction Work Age Flame Induction Work Age ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines? Molybdenum steel None of these Chromium steel Silicon steel Molybdenum steel None of these Chromium steel Silicon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cold worked steel parts are normally subjected to Shot peening Hardening Normalising Annealing Shot peening Hardening Normalising Annealing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (l/20th of ordinary metals)? Alumel Invar Chromel Constantan Alumel Invar Chromel Constantan ANSWER DOWNLOAD EXAMIANS APP
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