The cavitation in reaction turbines is avoided, to a great extent by


A. installing the turbine below the tail race level
B. using stainless steel runner of the turbine
C. providing highly polished blades to the runner
D. all of the above

• C because there is no friction or no air traped in blade which is cavitation
• 6 years agoHelpfull: Yes(0) No(0)