Question

What is the range of the peripheral speeds in the water wheel generators?

(a) 20 to 80 m per s

(b) 20 to 50 m per s

(c) 50 to 80 m per s

(d) 30 to 70 m per s

The question was posed to me in exam.

Question is from Construction of Hydro-Generators topic in section Design of Synchronous Machines of Design of Electrical Machines

Answer 1

The correct answer is (a) 20 to 80 m per s

The explanation: The minimum peripheral speed in the water wheel generators is 20 m per sec. The maximum peripheral speed in the water wheel generators is 80 m per sec.