Q. Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal?

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Q. Which of the following statement is wrong?

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Q. Inconel contains

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Q. In a hardening process, the hypo-eutectoid steel is

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Q. The alloying element which reduces the formation of iron sulphide in steel is

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Q. For a steel containing 0.8% carbon

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Q. In high speed steels, manganese is used to tougher the metal and to increase its

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Q. The machinability of aluminium increases when __________ is added to aluminium.

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Q. Body centred cubic space lattice is found in

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Q. The ratio of the volume occupied by the atoms to the total volume of the unit cell is called

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Q. Which of the following statement is incorrect about duralumin?

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Q. The property of a material which enables it to retain the deformation permanently, is called

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Q. Sulphur in cast iron

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Q. Cementite consist of

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Q. Monel metal contains

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Q. A fine grained steel

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Q. Babbit metal contains

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Q. A steel with 0.8% carbon is known as

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Q. When a steel containing more than 0.8% carbon is cooled slowly below the lower critical point, it consists of

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Q. Which of the following is a case hardening process?

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