Engineering Materials The purpose of heat treatment is to Relieve the stresses set up in the material after hot or cold working Change grain size Modify the structure of the material Any one of these Relieve the stresses set up in the material after hot or cold working Change grain size Modify the structure of the material Any one of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 910°C 770°C Below recrystallization temperature 1050°C 910°C 770°C Below recrystallization temperature 1050°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Improve ductility Release stresses Improve machinability Improve toughness Improve ductility Release stresses Improve machinability Improve toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Heavy duty leaf and coil springs contain carbon of the following order 0.002 0.01 0.005 0.008 0.002 0.01 0.005 0.008 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gun metal contains 70 - 78% copper and rest tin 70% copper and 30% zinc 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70 - 78% copper and rest tin 70% copper and 30% zinc 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Amorphous material is one In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid Which is not attacked by phosphorous In which atoms align themselves in a geometric pattern upon solidification Which emits fumes on melting In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid Which is not attacked by phosphorous In which atoms align themselves in a geometric pattern upon solidification Which emits fumes on melting ANSWER DOWNLOAD EXAMIANS APP
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