Give one example each of the following proportion of materials dimensional, physical, technological and mechanical.

1121

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What is the difference between nuclear fission and fission chain reaction?

1181

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Why is it that the maximum value which the residual stress can reach is the elastic limit of the material ?

1219

---

What is the difference between alpha iron, delta iron and gamma iron ?

1248

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Which reactor uses primary coolant as fluoride salts of lithium, beryllium, thorium and uranium ?

1249

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Which two elements have same percentage in proximate and ultimate analysis of coal?

1118

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What are thermal neutrons ?

1116

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Why rockets using liquid hydrogen have higher specific impulse compared to liquid hydrocarbon ?

1112

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What for pyranometer is used ?

1095

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Whether individual components in composite materials retain their characteristics or not?

1252

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What is the maximum use of magnesium ?

1269

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In which process internal energy remains constant ?

1101

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What is the name given to ratio of actual cycle efficiency and ideal cycle efficiency?

1138

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What do you understand by sulphur print ?

1092

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Which nuclear reactor uses water as a coolant, moderator and reflector ?

1066

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