Materials and Construction Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines? Silicon steel Molybdenum steel Chromium steel None of these Silicon steel Molybdenum steel Chromium steel None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material for high pressure vessel operating at 500 atm. and 500° C is High silicon iron (14% Si) Molybdenum stainless steel Mild steel 18/8 stainless steel High silicon iron (14% Si) Molybdenum stainless steel Mild steel 18/8 stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon tetrachloride can be stored in a storage vessel made of All of these Tin Stainless steel High silicon iron (14% Si) All of these Tin Stainless steel High silicon iron (14% Si) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pure nickel is Not resistant to oxidation at high temperature Having h.c.p. crystal lattice Ferromagnetic at room temperature Ferromagnetic above its curie point (i.e., 415°C) Not resistant to oxidation at high temperature Having h.c.p. crystal lattice Ferromagnetic at room temperature Ferromagnetic above its curie point (i.e., 415°C) 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)? Invar Alumel Chromel Constantan Invar Alumel Chromel Constantan ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most prone to atmospheric corrosion? Silver Iron Tin Copper Silver Iron Tin Copper ANSWER DOWNLOAD EXAMIANS APP
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