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shimaa farouk shimaa farouk
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5 years ago
The metal balls are used in a valve body to __________________.
A) Allow fluid flow in only one direction      B) Relieve excess pressure
C) Close one passage while fluid is flowing in another      D) Any of these
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bobyjawbobyjaw
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5 years ago
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shimaa f. Author
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#2
5 years ago
Dude, you're awesome. I wish I had you as my teacher!
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#3
5 years ago
Come to the forum always, I'll be around to assist you again
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