Engineering Materials The machinability of steel is increased by Silicon and sulphur Sulphur, graphite and aluminium Phosphorous, lead and sulphur Phosphorous and aluminium Silicon and sulphur Sulphur, graphite and aluminium Phosphorous, lead and sulphur Phosphorous and aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following has highest specific strength of all structural materials? Chromium alloys Magnesium alloys Titanium alloys Magnetic steel alloys Chromium alloys Magnesium alloys Titanium alloys Magnetic steel alloys ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. Both A and B Free graphite Cementite None of these Both A and B Free graphite Cementite None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cementite consist of 13% ferrite and 87% cementite 13% cementite and 87% ferrite 13% carbon and 87% ferrite 6.67% carbon and 93.33% iron 13% ferrite and 87% cementite 13% cementite and 87% ferrite 13% carbon and 87% ferrite 6.67% carbon and 93.33% iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The bond formed by transferring electrons from one atom to another is called Metallic bond Covalent bond None of these Ionic bond Metallic bond Covalent bond None of these Ionic bond ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gun metal contains 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 70% copper and 30% zinc ANSWER DOWNLOAD EXAMIANS APP