Engineering Materials Bronze contains 70% copper and 30% zinc 70 - 75% 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 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following property is desirable for materials used in tools and machines? Ductility Malleability Elasticity Plasticity Ductility Malleability Elasticity Plasticity ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The bond formed by transferring electrons from one atom to another is called Covalent bond Metallic bond None of these Ionic bond Covalent bond Metallic bond None of these Ionic bond ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to resist softening at high temperature is known as Creep Fatigue Hot tempering Hot hardness Creep Fatigue Hot tempering Hot hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature can be lowered by Purification of metal Working at lower temperature Grain refinement All of these Purification of metal Working at lower temperature Grain refinement All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following element results in presence of free graphite in C.I.? Carbon Sulphur Manganese Silicon Carbon Sulphur Manganese Silicon ANSWER DOWNLOAD EXAMIANS APP