Materials and Construction Pure nickel is Having h.c.p. crystal lattice Not resistant to oxidation at high temperature Ferromagnetic above its curie point (i.e., 415°C) Ferromagnetic at room temperature Having h.c.p. crystal lattice Not resistant to oxidation at high temperature Ferromagnetic above its curie point (i.e., 415°C) Ferromagnetic at room temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction White cast iron is not Malleable Brittle Whitish in color Strong and hard Malleable Brittle Whitish in color Strong and hard ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which metal is protected by the layer of its own oxide? Iron Aluminium Calcium Silver Iron Aluminium Calcium Silver ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A metallic alloy in general as compared to their pure metal components is Having higher melting point Having lower electrical conductivity More corrosion resistant Having lower hardness, reactivity and fusibility Having higher melting point Having lower electrical conductivity More corrosion resistant Having lower hardness, reactivity and fusibility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of Lead lined mild steel Rubber lined mild steel Cast iron Aluminium Lead lined mild steel Rubber lined mild steel Cast iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously. Arsenic Both B and C Bismuth Antimony Arsenic Both B and C Bismuth Antimony ANSWER DOWNLOAD EXAMIANS APP
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