Chemical Engineering
Q Trommels are revolving screens which normally operate in the range of _______________ rpm?
  • A A. 1 – 2
  • B B. 15 – 20
  • C C. 40 – 50
  • D D. 60 – 75
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Word of the Day
27 Jul
Widen
make or become wider.
چوڑا ہونا، کشادہ کرنے کا عمل

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