Operate Alternators, Generators. Test 5

In a Star-connected 3-phase motor _____

The torque developed by a three phase induction motor is dependent on which of the following?

When two generators are being manually synchronized, when should the circuit breaker be closed ?

When the synchroscope indicator is rotating fast and at 12 o'clock position.
When the synchroscope indicator is rotating slowly anti-clockwise and at 11 o'clock position.
When the synchroscope indicator is rotating slowly clockwise and at 11 o'clock position.
When the synchroscope indicator is rotating slow and at 3 o'clock position.

When two diesel generator sets are running in parallel during your engine room watch, what should you periodically check ?

That both diesels have the same load in kWatt, same reactive load in kVAR, same amperage.
That both diesels have exactly a 50 % share of the active load in kWatt.
That both diesels are running at the same speed.
That both diesels have the same voltage and the same frequency.

In an alternator what effect does increasing the excitation have?

The breakdown in insulation between one or more windings or one or more coils inside an electric motor is called _____

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