Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. Free graphite Cementite Both A and B None of these Free graphite Cementite Both A and B None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about annealing? Annealing is done to Improve machining characteristic Relieve stresses Soften material Harden steel slightly Improve machining characteristic Relieve stresses Soften material Harden steel slightly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The following element can't impart high strength at elevated temperature Silicon Manganese Magnesium Nickel Silicon Manganese Magnesium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Eutectoid reaction occurs at 600°C 1147°C 1493°C 723°C 600°C 1147°C 1493°C 723°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An engineer's hammer is made of Forged steel Mild steel Cast iron High carbon steel Forged steel Mild steel Cast iron High carbon steel 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 Suddenly in a suitable cooling medium In still air Any one of these Slowly in the furnace Suddenly in a suitable cooling medium In still air Any one of these Slowly in the furnace ANSWER DOWNLOAD EXAMIANS APP
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