Hydro–Generator are generally employed to run at ____rpm

 Hydro–Generators are generally employed to run at ____rpm

Hydro–Generators are generally employed to run at ____rpm

Hydro–Generators are generally employed to run at ____rpm

A) 500 

B) 1000

c) 1,500 

d) 3,000

Correct Ans-500 

Exp-Hydro generator are low-speed machines and are provided with a large number of poles (12 or more ) according to Ns speed formula Ns=120f/P The synchronous speed for 12 Pole is 500