Alternators MCQ - Electrician (Set-1) with Answers

Alternators MCQ - Electrician (Set-1) with Answers

41) A 3-phase star connected alternator having a rotating armature will have :

Answer is:

4 slip rings

42) A 3-phase, delta connected alternator having a rotating armature will have :

Answer is:

3 slip rings

43) A 3-phase, star connected alternator having a rotating armature will have 4 slip rings but 3-phase, delta connected alternator having armature will have

Answer is:

3 slip rings

44) Which instrument is used to indicate the correct time for synchronization of two alternators ?

Answer is:

synchroscope

45) The function of synchroscope is to :

Answer is:

indicate the correct instant of synchronizing two alternators