Engineering Materials Quenching is not necessary when hardening is done by Any one of these Flame hardening Case hardening Nitriding Any one of these Flame hardening Case hardening Nitriding ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pearlite consists of 13% carbon and 87% ferrite 6.67% carbon and 93.33% iron 13% cementite and 87% ferrite 13% ferrite and 87% cementite 13% carbon and 87% ferrite 6.67% carbon and 93.33% iron 13% cementite and 87% ferrite 13% ferrite and 87% cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of hydrogen in steel causes Improved Weldability Embrittlement Reduced neutron absorption cross-section Corrosion resistance Improved Weldability Embrittlement Reduced neutron absorption cross-section Corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In full annealing, the hypo eutectoid steel is heated from 30°C to 50°C above the upper critical temperature and then cooled In still air Any one of these Suddenly in a suitable cooling medium Slowly in the furnace In still air Any one of these Suddenly in a suitable cooling medium Slowly in the furnace ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following has highest specific strength of all structural materials? Magnetic steel alloys Titanium alloys Chromium alloys Magnesium alloys Magnetic steel alloys Titanium alloys Chromium alloys Magnesium alloys ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Molecular change Allotropic change Physical change Solidus change Molecular change Allotropic change Physical change Solidus change ANSWER DOWNLOAD EXAMIANS APP