Q. Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities?

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Q. The hardness of steel depends upon the

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Q. Cartidge brass can be

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Q. Which of the following statement is correct?

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Q. Blast furnace is used to produce

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Q. Which of the following statement is true about brittle fracture?

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Q. Grey cast iron has

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Q. Induction hardening is basically a

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Q. When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces

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Q. The strength is the ability of a material to resist

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Q. Pearlite consists of

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Q. Incoloy, Hastelloy and Vitallium are __________ temperature alloys.

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Q. Quenching is not necessary when hardening is done by

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Q. The iron ore in the charge of blast furnace acts as an iron bearing mineral.

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Q. Beryllium bronze has

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Q. An aluminium alloy with 11% silicon is used for making engine pistons by die casting technique.

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Q. Which of the following is an amorphous material?

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Q. The machinability of steel is improved by adding

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Q. The carbon in the pig iron varies from

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Q. The type of space lattice found in alpha-iron is

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