Materials and Construction A chemical change takes place when iron Rusts Is heated None of these Melts Rusts Is heated None of these Melts ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Among the tin containing alloys, __________ consumes the maximum amount of tin. White metal Pewter matal Solder Bronzes White metal Pewter matal Solder Bronzes ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A material is able to retain the deformation permanently by virtue of its Ductility Elasticity Malleability Plasticity Ductility Elasticity Malleability Plasticity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which one is remelted and poured into moulds to get cast iron? Mild steel Pig iron Low carbon steel Wrought iron Mild steel Pig iron Low carbon steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pure nickel is Ferromagnetic at room temperature Not resistant to oxidation at high temperature Having h.c.p. crystal lattice Ferromagnetic above its curie point (i.e., 415°C) Ferromagnetic at room temperature Not resistant to oxidation at high temperature Having h.c.p. crystal lattice Ferromagnetic above its curie point (i.e., 415°C) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material of construction for the storage of concentrated nitric acid is Monel Cast iron Aluminium or chromium alloys (Cr > 18% for cold acid) Karbate Monel Cast iron Aluminium or chromium alloys (Cr > 18% for cold acid) Karbate ANSWER DOWNLOAD EXAMIANS APP