Which liquid can dissolve gold?
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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?
Define what is special about the properties of chromium molybdenum steels that make them ideal for pressure vessels?
What is calibration of an instrument?
What is the specific heat value for liquid ?
what is the grain size of lead as an element and as an alloy such as lead tin alloy?
How much gold is in a troy ounce?
What is the melting point of e70 steel, 304,308,316 stainless steels?
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)
What is the critical speed of shaft?
what is special about the properties of chromium molybdenum steels that make them ideal for pressure vessels?
When austenitized, carbon steel is quenched, why is the bcc crystal elongated into a body-centered tetragonal crystal structure?
Explain a silver and deming drill brit?
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