engineering recuitment PGCIL Junior Technician Trainee (Electrician) Mock Test 2023 Electrical Machines Three Phase Induction Motor
Which of the following methods could be used to start a Three-phase cage-type induction motor?
I. Direct-on-line starting
II. Auto-transformer starting
III. Star-delta starting
Choose the correct answer from the options given below.
1
Only I and II
2
Only II and III
3
I, II and III
4
Only I and III