Engineering Materials Preheating is essential in welding All nonferrous materials High speed steel Cast iron All of these All nonferrous materials High speed steel Cast iron All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free cutting steels Can be cut freely Contain carbon in free from Is used where rapid machining is the prime requirement Require minimum cutting force Can be cut freely Contain carbon in free from Is used where rapid machining is the prime requirement Require minimum cutting force ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The defect which takes place due to imperfect packing of atoms during crystallization is known as Surface defect Point defect Line defect None of these Surface defect Point defect Line defect None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Brass contains 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 70% copper and 30% zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White metal contains Silver and chromium 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium 88% copper and 10% tin and rest zinc Silver and chromium 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium 88% copper and 10% tin and rest zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel made from phosphate iron is Hard Ductile Tough Brittle Hard Ductile Tough Brittle ANSWER DOWNLOAD EXAMIANS APP
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