Engineering Materials Which of the following statements are true for annealing of steels? Cooling is done slowly and steadily Steels are heated to 500 to 700°C All of these Internal stresses are relieved Cooling is done slowly and steadily Steels are heated to 500 to 700°C All of these Internal stresses are relieved ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel when added to copper improves Hardness Strength and ductility Machinability Hardness and strength Hardness Strength and ductility Machinability Hardness and strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Wrought iron Is a ductile material All of these Can be easily forged or welded Cannot stand sudden and excessive shocks Is a ductile material All of these Can be easily forged or welded Cannot stand sudden and excessive shocks ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty gun metal contains Alloy of tin, lead and cadmium Iron scrap and zinc 63 to 67% nickel and 30% copper 88% copper, 10% tin and rest zinc Alloy of tin, lead and cadmium Iron scrap and zinc 63 to 67% nickel and 30% copper 88% copper, 10% tin and rest zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular cast iron is produced by adding ________ to the molten cast iron. Nickel Chromium Magnesium Copper Nickel Chromium Magnesium Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 48 RC 57 RC 65 RC 80 RC 48 RC 57 RC 65 RC 80 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS