Engineering Materials Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities? Manganese Sulphur Silicon Phosphorus Manganese Sulphur Silicon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal? Silicon Manganese Phosphorus Sulphur Silicon Manganese Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical point for all steels is 723°C 700°C 600°C 913°C 723°C 700°C 600°C 913°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An example of amorphous material is Silver Glass Zinc Lead Silver Glass Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature required for full annealing in hypereutectoid steel is 30° C to 50° C above lower critical temperature 30° C to 50° C below lower critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C above upper critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C below lower critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C above upper critical temperature ANSWER DOWNLOAD EXAMIANS APP
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