Puzzle

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Across
  1. 4. velocity is zero
  2. 7. steam turbine used
  3. 8. work producing device
  4. 9. increasing kinetic energy
  5. 10. attack is larger than design angle
  6. 12. net positive suction head
  7. 13. due to surging
  8. 14. piston used
  9. 15. increasing turbine work
Down
  1. 1. less than vapour pressure
  2. 2. do not have aerofoil blades
  3. 3. entropy constant
  4. 5. right angle
  5. 6. product of radius& Vw is constant
  6. 11. use for liquid