Engineering Materials Which of the following statements are true for annealing of steels? Internal stresses are relieved All of these Steels are heated to 500 to 700°C Cooling is done slowly and steadily Internal stresses are relieved All of these Steels are heated to 500 to 700°C Cooling is done slowly and steadily 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 An eutectoid steel consists of Pearlite and ferrite Pearlite and cementite Wholly pearlite Wholly austenite Pearlite and ferrite Pearlite and cementite Wholly pearlite Wholly austenite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron makes it hard and brittle? Phosphorus Silicon Sulphur Manganese Phosphorus Silicon Sulphur Manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material widely used for making pendulums of clocks is Nickel steel High speed steel Heat resisting steel Stainless steel Nickel steel High speed steel Heat resisting steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of hydrogen in steel causes Improved Weldability Reduced neutron absorption cross-section Corrosion resistance Embrittlement Improved Weldability Reduced neutron absorption cross-section Corrosion resistance Embrittlement ANSWER DOWNLOAD EXAMIANS APP
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