realityChemist
  • Member for 6 years, 4 months
  • Last seen more than 1 year ago
  • ME, USA
1 answers
1 votes
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How do I calculate the density of a lined pipe?
Accepted answer
3 votes

What the answer key seems to mean is to neglect the mass of air in the pipe, not its volume. That is, we want: $\rho_{pipe} = \frac{m_{rubber}+m_{steel}}{V_{pipe}} = \frac{\rho_{rubber}\cdot V_{...

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1 answers
2 votes
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What is the relationship between the strain in different directions?
Accepted answer
3 votes

In this case, we say that $\epsilon_{axial}$ ($z$-direction in your diagram) is positive by convention. Then, for a normal material with a Poisson's ratio $\nu \ge 0$, $\epsilon_{transverse}$ ($x$- ...

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1 answers
1 votes
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Safe temperature thresholds for #2 HDPE and #5 PP plastic
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Generally I would recommend against heating a plastic container with a resistance heater (like a hot plate or mug warmer) unless you know for a fact it has a hardware shutoff that will kick in well ...

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