Puzzle

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Across
  1. 3. velocity is zero
  2. 5. increasing kinetic energy
  3. 6. used for liquid
  4. 7. decreasing compressorwork
  5. 9. used in aircraft
  6. 11. do not have aerofoil blades
Down
  1. 1. prefer close to unity
  2. 2. entropy constant
  3. 4. due to surging
  4. 8. work absorbing device
  5. 10. entropy
  6. 12. attack is larger than design angle
  7. 13. product of radius& Vw is constant
  8. 14. blade speed
  9. 15. right angle