Q401
Open questionPuddling process is used for converting pig iron into
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Q402
Open questionBetween 230°C and 370°C, blue brittleness is caused in mild steel because of the
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Q403
Open questionMetal shots used in shot blasting are made of
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Q404
Open questionWhich of the following is the most effective inhibitor of grain growth, when added in small quantity in steel ?
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Q405
Open questionFibrous fracture is normally encountered in the __________ materials.
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Q406
Open questionWood is a/an __________ material.
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Q407
Open questionLead is most readily dissolved in
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Q408
Open questionHoles in a plate for rivetted joints is preferably made by
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Q409
Open questionHard magnetic materials have high
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Q410
Open questionMelting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while the same for liquid nitrogen is - 210°C & - 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8
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Q411
Open questionClassification of metal forming processes into hot and cold working is based on the following parameters.
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Q412
Open questionWorking of linear variable differential transducer (LVDT) is based on the principle of variable
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Q413
Open questionSilicon percentage in acid resistant cast iron is about
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Q414
Open questionPick out the wrong statement.
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Q415
Open questionTungsten in high speed steel is responsible for its
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Q416
Open questionIn case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean temperature difference) for counter flow as compared to that for parallel flow is
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Q417
Open questionTitanium alloys are welded using the Following process:
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Q418
Open questionThe behaviour of a metal specimen, which when plastically strained in tension reduces its yield stress in compression and vice versa; is termed as the
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Q419
Open questionEster is formed, when an alcohol reacts with
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Q420
Open questionA jet engine turbine blade is normally manufactured by
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