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Mr. Dubey • 100.64K Points
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Q. The efficiency of jet propulsion with inlet orifices at right angles to the direction of motion of ship is given by

  • (A) 2u/ (V + u)
  • (B) 2V/ (V + u) 2
  • (C) 2Vu/ (V + u) 2
  • (D) 2u (V-u)/V3
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