For a given output steam turbo-alternators are much smaller is size than water turbine alternators because
A. steam turbo-alternators are built with smaller capacities
B. steam turbo-alternators have long rotors
C. steam turbo-alternators run at high speed
D. all of the above
Answer:C
For a given output steam turbo-alternators are much smaller is size than water turbine alternators because
A. steam turbo-alternators are built with smaller capacities B. steam turbo-alternators have long rotors C. steam turbo-alternators run at high speed D. all of the above