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lorenlauu lorenlauu
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6 years ago
The definition of sublimation is:
 
  A) In a closed container, a substance in a liquid state remains in a liquid state regardless of the pressure inside the container.
  B) A substance in a solid state changes into the gaseous state without going through the liquid state.
  C) In a closed container, a substance in the liquid state boils at a higher temperature when the pressure is increased.
  D) A substance in a gaseous state changes into a solid state while by-passing the liquid state.

 Q. 2

The shaft seal on an open compressor is more complicated than the gaskets and seals on other parts of the compressor because:
 
  A) It must seal in a vacuum.
  B) It is subjected to both refrigerant and oil while other seals and gaskets are not.
  C) It must seal a shaft that is turning.
  D) It must seal against a higher pressure.
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sammholdersammholder
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6 years ago
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lorenlauu Author
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#2
6 years ago
Thank you soooo very much, it was really helpful and kind of you to answer my q's
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#3
6 years ago
You're welcome, once again
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