"1/3" rd of reciprocating masses are balanced by rotating masses.

"1/2" nd of reciprocating masses are balanced by rotating masses.

"1/2" nd of reciprocating masses are balanced by rotating masses.

None of the above

(N)/(N2-N1)

(N1-N2)/(N)

(N)/(N1-N2)

(N2-N1)/N

Francis turbine

Kaplan turbine

Pelton wheel

Any of the above

High head mixed flow turbine

Inward flow impulse turbine

Low head axial flow turbine

High head axial flow turbine

1200

1800

3600

200