Engineering Materials A material is known as allotropic or polymorphic if it Exists in several crystal forms at different temperatures Has a fixed structure under all conditions Has its atoms distributed in a random pattern Responds to heat treatment Exists in several crystal forms at different temperatures Has a fixed structure under all conditions Has its atoms distributed in a random pattern Responds to heat treatment ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron is Paramagnetic Ferroelectric Dielectric Ferromagnetic Paramagnetic Ferroelectric Dielectric Ferromagnetic ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The aluminium alloy, mainly used, for anodized utensil manufacture, is Hindalium Y-alloy Magnalium Duralumin Hindalium Y-alloy Magnalium Duralumin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Hardness Critical temperature Melting point Yield point Hardness Critical temperature Melting point Yield point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Silicon Copper Chromium Nickel Silicon Copper Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Mild steel belongs to the following category Medium carbon steel Alloy steel High carbon steel Low carbon steel Medium carbon steel Alloy steel High carbon steel Low carbon steel ANSWER DOWNLOAD EXAMIANS APP