Engineering Materials Vanadium in high speed steels Promotes retention of austenite Promotes decarburisation Provides high hot hardness Forms very hard carbides and thus increases wear resistance Promotes retention of austenite Promotes decarburisation Provides high hot hardness Forms very hard carbides and thus increases wear resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ball bearings are, usually, made from High carbon steel Medium carbon steel Chrome steel Low carbon steel High carbon steel Medium carbon steel Chrome steel Low carbon steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The transistor is made of Gold Silver Germanium Copper Gold Silver Germanium Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Beryllium bronze contains 97.75% copper and 2.25% beryllium 99% copper and 1% beryllium 80% copper and 20% beryllium 60% copper and 40% beryllium 97.75% copper and 2.25% beryllium 99% copper and 1% beryllium 80% copper and 20% beryllium 60% copper and 40% beryllium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following property is desirable for materials used in tools and machines? Malleability Ductility Plasticity Elasticity Malleability Ductility Plasticity Elasticity ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bronze contains 90% copper and 10% tin 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc 90% copper and 10% tin 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc ANSWER DOWNLOAD EXAMIANS APP