Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Allotropic change Physical change Solidus change Molecular change Allotropic change Physical change Solidus change Molecular change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of Pearlite and cementite Mainly ferrite Ferrite and pearlite Mainly pearlite Pearlite and cementite Mainly ferrite Ferrite and pearlite Mainly pearlite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 1050°C 770°C Below recrystallization temperature 910°C 1050°C 770°C Below recrystallization temperature 910°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to absorb energy in the plastic range is called Fatigue strength Toughness Resilience Creep Fatigue strength Toughness Resilience Creep ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In spheroidising process, the steel is None of these Heated up to the lower critical temperature and then cooled in still air Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated below the lower critical temperature and then cooled slowly None of these Heated up to the lower critical temperature and then cooled in still air Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated below the lower critical temperature and then cooled slowly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces Alloy cast iron White cast iron Malleable cast iron Nodular cast iron Alloy cast iron White cast iron Malleable cast iron Nodular cast iron ANSWER DOWNLOAD EXAMIANS APP