Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. Free graphite None of these Cementite Both A and B Free graphite None of these Cementite Both A and B ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Lead is poured into the joint between two pipes. These pipes may be made of Asbestos cement Vitrified clay Cast iron Concrete Asbestos cement Vitrified clay Cast iron Concrete ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 910 to 1440°C Below 723°C 770 to 910°C 1400 to 1539°C 910 to 1440°C Below 723°C 770 to 910°C 1400 to 1539°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular cast iron is produced by adding ________ to the molten cast iron. Copper Magnesium Chromium Nickel Copper Magnesium Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Cold working Surface decarburisation Shot peening Nitriding of surface Cold working Surface decarburisation Shot peening Nitriding of surface ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty gun metal contains Alloy of tin, lead and cadmium Iron scrap and zinc 63 to 67% nickel and 30% copper 88% copper, 10% tin and rest zinc Alloy of tin, lead and cadmium Iron scrap and zinc 63 to 67% nickel and 30% copper 88% copper, 10% tin and rest zinc ANSWER DOWNLOAD EXAMIANS APP