On spot welding symbols, strength may be substituted for diameter

Indicate whether the statement is true or false


TRUE

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The mixture is not stable and forms two liquid phases. One of the phases as a composition of 10% component 1, while other phase has a composition of 30% of component 1.

Consider the figure that provides the molar Gibbs free energy of mixing as a function of composition for a binary mixture.
If the overall composition of the mixture is 20% of component 1, is the mixture stable? If not, what are estimates of the compositions of the liquid phases that are in equilibrium?

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?How is a top ring groove checked for excessive wear?

What will be an ideal response?

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Heat flows from the product into the evaporator because:

A) The evaporator is at a lower pressure than the product. B) The refrigerant in the evaporator has fewer BTU/lb than the product. C) The evaporator is at a lower temperature than the product. D) The refrigerant in the evaporator has a lower specific heat than the product.

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The top of external and the bottom of internal threads is the ____.

A. pitch B. root C. crest D. fit E. none of the above

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