net head

absolute velocity

blade velocity

flow

full load speed

the speed at which turbine runner will be damaged

the speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open

the speed corresponding to maximum overload permissible

4

6

8

12

propeller turbine

Francis turbine

impulse turbine

any one of the above

propeller turbine

Francis turbine

impulse turbine

any one of the above