How would a salt and water solution clean a penny but a vinegar and salt solution will not clean a penny? What is the cause of this?

0 Answers  

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When we do cardonitriding or casehardening operation for a plain carbon steel the case depth, hardness & microstructure are not alike why and define what are the basic thing, which makes such a difference.

0 Answers  

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What is stress corrosion cracking..

6 Answers  

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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?

0 Answers  

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What is the use of damper?

0 Answers   NIC,

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while calculating Steel Round Pipes, if one pipe costs 51.125 per meter then what will be the price per kg?

3 Answers   Jindal,

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carbon-3.23%,manganese-0.60%,silicon-2.25%,sulphur-0.086% phosphorus-0.122%,chromium-0.04%,nickle-0.10% molybdenum-trace. what is the grade of the above composition cast iron

0 Answers  

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The main metal used by the Indus Valley people was

4 Answers   RRB,

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Which type of key is used between shaft and pulley?

0 Answers   NIC,

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What is the Difference of ultimate tensile stress of mild steel to ultimate compressive stress ?

0 Answers   NIC,

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In welding, arc is too long due to ?

0 Answers   NIC,

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What is a boring tool ?

0 Answers   Essar,

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