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Alternators

Alternators
What is the largest size of a alternator being manufactured in india?

110 MW
250MW
500 MW
210 MW

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Alternators
In an alternator, the frequency of voltage generated depend on

Rotative speed only
None of the listed here
Number of poles only
Both rotative speed and number of poles

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Alternators
In an alternator, the stator frame serves

To protect the whole machine
To hold the armature stampings
To verticate the armature
As a return path for the flux

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Alternators
The magnitude of emf generated by an alternators depends on ______

Flux per pole
All of the listed here
Rotor speed
Number of poles

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Alternators
The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______

60 Hz
50 Hz
120 Hz
None of the listed here

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Alternators
In an alternator, armature reaction is considered equivalent to

Fictitious impedance
Fictitious resistance
Fictitious reactance
Fictitious conductance

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