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
Engineering Materials The lower critical point for all steels is 913°C 723°C 600°C 700°C 913°C 723°C 600°C 700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bell metal contains 70% copper and 30% zinc 90% copper and 10% tin 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc 90% copper and 10% tin 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White cast iron has Low tensile strength Carbon in the form of carbide All of these High compressive strength Low tensile strength Carbon in the form of carbide All of these High compressive strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chilled cast iron has A low percentage of graphite A very high percentage of graphite No graphite Graphite as its basic constituent of composition A low percentage of graphite A very high percentage of graphite No graphite Graphite as its basic constituent of composition ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as Heat treatment Precipitation Allotropic change Recrystallization Heat treatment Precipitation Allotropic change Recrystallization ANSWER DOWNLOAD EXAMIANS APP
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