Q. The addition of antimony in tin-based alloys improves its

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Q. The melleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the miximum malleability ?

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Q. Dielectric strength of a material is

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Q. Which of the following stainless steels is non-magnetic ?

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Q. 18-4-1 high speed steel contains 18%, 4% and 1% respectively of

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Q. Aluminium as a material of construction suffers from the disadvantage of

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Q. Babbit metal used for bearings is a____base alloy.

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Q. Constituents of stellite are

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Q. Residual magnetism in steel for magnets is increased by the addition of

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Q. Presence of nickel in steel improves its

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Q. Cementite is

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Q. Acetylene gas holder is made of

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Q. The range of Mho's scale of hardness is from

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Q. Which of the following pairs of elements may form an alloy ?

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Q. SO₃ is absorbed using H₂SO₄ in a

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Q. Carbon percentage in medium carbon steel is around

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Q. The preferred material of construction for storage tanks for 98% sulphuric acid is

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Q. Fatigue strength of a material increases by

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Q. Specify the material of construction suitable for handling concentrated HNO₃ at 100°C.

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Q. Aluminium storage vessel can be used to store

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