carnot cycle has maximum efficiency for ?

0 Answers   NIC,

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How can you find out define what kind of stainless steel was used in making a stainless object?

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What is iron ferrite and where is it found?

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Define what is proeutectoid ferrite and cementite?

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We make aluminum moulds by press casting, can u suggest any thing so that the moulds should shine after casting?

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Does case harden steel properties detoriates over time? Especially for guns, parts like bolt carrier, the brand new parts has been kept for 10 year and properly oiled. I am worried about its surface hardness to take the blow during firing.

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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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what metal cord transfers electricity?

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Define what kind of cleaning substance or treatments keep or help prevent cast iron from rusting?

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Which metal is the best conductor of heat?

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Explain cementite?

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Define what is special about the properties of chromium molybdenum steels that make them ideal for pressure vessels?

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