How would a salt and water solution clean a penny but a vinegar and salt solution will not clean a penny?
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What is or what characterize the thermodynamic state of metal (structure of metal)?
What is the use of core prints?
What is the Difference of ultimate tensile stress of mild steel to ultimate compressive stress ?
white rust formation over zinc plated and passivated fasteners during CED coating. WHY?
Explain the uses of iron ferrite?
What is spcc material?
When might secondary melting processes be unnecessary?
What is the most ductile metal?
Discuss the basic functionioning of air conditioner.
Explain cementite?
The processes used to fabricate the superalloys seem fairly mature. Is much process development going on?
For the same part, it is possible to Specify the two different type of Hardness with same scall(EX-Quenching and tempering==>450 to 500HV30 & Hardening and Austempering 330- 380HV30)