engineering recuitment BSPHCL Technician (Electrician) 2024 Mock Test Electrician and Wireman Electrical Machines Alternators
Two alternators are coupled mechanically. If they are delivering power at 40 Hz and 50 Hz, respectively, then highest speed of the set is:
1
600 RPM
2
2400 RPM
3
3000 RPM
4
500 RPM