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Alternators

Alternators
In air-crafts, alternators have operating frequency of

400 Hz
50 Hz
500 Hz
60 Hz

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Alternators
In a cylindrical rotor how much portion of the rotor is wound?

One third
Half
Full
Two third

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Alternators
Voltage drop in an alternator when under load is due to ______

Armature resistance
Armature reactance
Armatute reaction
All of the listed here

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

110 MW
210 MW
250MW
500 MW

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Alternators
In case of turbo-alternators the rotor is usually made of

Manganese steel
Cast iron
Forged steel
Laminated stainless steel

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Alternators
The power factor of an alternator is determined by its

Excitation
Primemover
Load
Speed

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