Engineering Materials Preheating is essential in welding Cast iron All nonferrous materials All of these High speed steel Cast iron All nonferrous materials All of these High speed steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Quenching is not necessary when hardening is done by Case hardening Flame hardening Nitriding Any one of these Case hardening Flame hardening Nitriding Any one of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is a Ductile material Tough material Malleable material Brittle material Ductile material Tough material Malleable material Brittle material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ductility of a material can be defined as Ability to recover its original form Ability to undergo large permanent deformations in compression All of these Ability to undergo large permanent deformations in tension Ability to recover its original form Ability to undergo large permanent deformations in compression All of these Ability to undergo large permanent deformations in tension ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White metal contains Alloy of tin, lead and cadmium Silver and chromium 88% copper and 10% tin and rest zinc 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium Silver and chromium 88% copper and 10% tin and rest zinc 63 to 67% nickel and 30% copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Magnesium Lead and bismuth Copper Silicon Magnesium Lead and bismuth Copper Silicon ANSWER DOWNLOAD EXAMIANS APP
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