Engineering Materials A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as Allotropic change Recrystallization Precipitation Heat treatment Allotropic change Recrystallization Precipitation Heat treatment ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical point for all steels is 600°C 913°C 723°C 700°C 600°C 913°C 723°C 700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Magnesium Copper Silicon Lead and bismuth Magnesium Copper Silicon Lead and bismuth ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel when added to copper improves Hardness Hardness and strength Strength and ductility Machinability Hardness Hardness and strength Strength and ductility Machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following has highest specific strength of all structural materials? Magnetic steel alloys Magnesium alloys Chromium alloys Titanium alloys Magnetic steel alloys Magnesium alloys Chromium alloys Titanium alloys ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel increases if it contains Austenite Martensite Cementite Pearlite Austenite Martensite Cementite Pearlite ANSWER DOWNLOAD EXAMIANS APP
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