engineering recuitment NMDC Junior Officer (Trainee) Mock Test 2024 Electrician and Wireman Electrical Machines Polyphase Induction Motors
Consider the following statements for a three-phase slip ring induction motor:
(A) Rotor conductors are short-circuited through end rings.
(B) External resistances can be added to the rotor circuit for starting purposes.
1
Both (A) and (B) are false
2
Both (A) and (B) are true
3
(B) is true, (A) is false
4
(A) is true, (B) is false