Q. The primary strengthening mechanism in 70 : 30 brass is the

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Q. X-rays do not exhibit the property of

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Q. In the acid Bessemer process, the hot metal should have the following com-positon.

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Q. Which of the following does not come under the category of electrochemical corrosion ?

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Q. Unbreakable crockeries are made from __________ polymers.

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Q. Cupola produces __________ iron..

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Q. Euler number is defined as the ratio of inertia force to __________ force.

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Q. Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.

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Q. Often earing defects are found during deep drawing operation, because the

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Q. __________ is not a case hardening process.

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Q. Which one can be directly solidified from gaseous state wihtout entering into liquid state ?

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Q. Which of the following is termed as the boiler mounting ?

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Q. What is the range of tempering temperature (°C) for most of the materials ?

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Q. Absorptivity of a grey body varies with the

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Q. In radiative heat transfer, a grey surface is the one, which has

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Q. Overheating of satellites during re-entry to earth is controlled by

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Q. The most abundant metal present in the earth's crust is;

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Q. __________ of test specimens is not involved in any hardness testing method.

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Q. Out of the following, the most ductile material is

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Q. What happens, when SO₂ is passed through a solution of H₂S in water ?

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