What is the difference between DI pipes, Cast Iron pipes, LA Pipes, SW pipes, SWR Pipes, RCC hume pipe, RCC spun pipe ? What are their IS codes and applications ?

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How does and why the recrystallization temperature of the metals affects on alloying?

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What are the allotropes of iron and carbon?

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Is it possible to design heat treatment processes such that a gradient in grain size is produced?

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Define what is proeutectoid ferrite and cementite?

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Explain a silver and deming drill brit?

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Define what is the strongest metal?

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What is the use of piezometer

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What is heat treatment?

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You are required to calculate a heat affected zone in weld. How would you do that?

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Is there a possibility of inducing stress cracking in an insulated stainless road tanker vessel (20 tonne capacity) if the vessel is subject to rapid filling (10 tonne /hr) with liquid methane (-160 c) assuming the vessel is at ambient. If so, where could I obtain suggested cooling rates?

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Which is the only liquid in which gold is dissolved?

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