AC GENERATOR - Practice Mode

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

Totally closed Wide open Semi closed Semi open

Correct Answer: Totally closed

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

Correct Answer: U, V, W and N

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

120 Degree 90 Degree 360 Degree 180 Degree

Correct Answer: 120 Degree

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

Smooth cylindrical Salient pole Projecting pole Squirrel cage

Correct Answer: Smooth cylindrical

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

DC shunt generator Rectifier DC series generator Battery

Correct Answer: DC shunt generator

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