Q. Which of the following is not an alloy of copper and tin ?

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Q. Lead

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Q. Cast iron has

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Q. Locomotive boiler tubes are made of __________ alloys.

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Q. Slow and progressive deformation of a material with time under constant stress is called

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Q. Which of the following mechanical properties of a material is most structure insensitive ?

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Q. Mercury is transported in metal containers made of

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Q. Which of the following would not be a suitable material of construction for handling aqueous hydrofluoric acid (HF) at 100°C ?

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Q. Which of the following has the least carbon percentage ?

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Q. __________ is never shipped in glass carboys.

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Q. Lead is

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Q. Nitriding of steel is done (in electric furnace) at __________ °C.

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Q. Addition of 2% nickel in steel makes it suitable for making

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Q. The softest material just next to talc in the Mhos scale is

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Q. Babbit metals used for making bearings are

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Q. Pipes for bi-cycle frames are made of __________ steel.

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Q. Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C ?

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Q. Interchain forces are the weakest in case of

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Q. __________ possesses viscoelastic properties.

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Q. Copper is dissolved from its ore by H₂SO₄ in a percolation tank made of

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