Engineering Materials Perminvar alloy having constant permeability is an alloy of Iron, zinc and bismuth Copper, nickel and antimony Nickel, copper and zinc Nickel, copper and iron Iron, zinc and bismuth Copper, nickel and antimony Nickel, copper and zinc Nickel, copper and iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is Duralumin Hastelloy Silver metal Invar Duralumin Hastelloy Silver metal Invar ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Connecting rod is usually made of Aluminium Medium carbon steel High carbon steel Low carbon steel Aluminium Medium carbon steel High carbon steel Low carbon steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ductility of a material can be defined as All of these Ability to undergo large permanent deformations in compression Ability to recover its original form Ability to undergo large permanent deformations in tension All of these Ability to undergo large permanent deformations in compression Ability to recover its original form Ability to undergo large permanent deformations in tension ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is known as allotropic or polymorphic if it Exists in several crystal forms at different temperatures Responds to heat treatment Has a fixed structure under all conditions Has its atoms distributed in a random pattern Exists in several crystal forms at different temperatures Responds to heat treatment Has a fixed structure under all conditions Has its atoms distributed in a random pattern ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gun metal contains 70% copper and 30% zinc 70 - 78% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70% copper and 30% zinc 70 - 78% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin ANSWER DOWNLOAD EXAMIANS APP