21. Which of the following mechanical properties of a material is most structure insensitive?
22. __________ of a material results, when its strength is increased & ductility is decreased by heating at a relatively lower temperature after cold working.
23. Muntz metal is a/an alloys of
24. Caustic soda is transported in __________ lined containers.
25. Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with
26. Which of the following is an alloy of nickel and copper?
27. Bog iron used for the adsorption of H2S from coke oven gas is
28. Addition of tungsten to steel imparts
29. With increase in the carbon percentage in the steel, its
30. A material is able to retain the deformation permanently by virtue of its
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