AC GENERATOR - Quiz

1) Which type of slots are used in armature core of alternator?

Totally closed Wide open Semi closed Semi open

2) What are the terminal markings of a 3 phase star connected alternator?

U, V, W and N A, B, C and N 1, 2, 3 and 4 X, Y, Z, N

3) What is the phase displacement between three windings in an alternator?

120 Degree 90 Degree 360 Degree 180 Degree

4) Which type of rotor has small diameter and large axial length?

Smooth cylindrical Salient pole Projecting pole Squirrel cage

5) What is the excitation source of a large alternator?

DC shunt generator Rectifier DC series generator Battery