Engineering Materials Bell metal contains 70% copper and 30% zinc 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 70% copper and 30% zinc 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials For a steel containing 0.8% carbon There is no critical point There can be any number of critical points There are two critical points There is only one critical point There is no critical point There can be any number of critical points There are two critical points There is only one critical point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ball bearings are, usually, made from Chrome steel High carbon steel Low carbon steel Medium carbon steel Chrome steel High carbon steel Low carbon steel Medium carbon steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The toughness of a material __________ when it is heated. Decreases Increases None of these Remain same Decreases Increases None of these Remain same ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resistance of steel is increased by adding Sulphur, lead and phosphorus Nickel Chromium Nickel and chromium Sulphur, lead and phosphorus Nickel Chromium Nickel and chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The defect which takes place due to imperfect packing of atoms during crystallization is known as Line defect None of these Point defect Surface defect Line defect None of these Point defect Surface defect ANSWER DOWNLOAD EXAMIANS APP
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