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Alternators

Alternators
A 3 phase alternator has 3-slot per pole. The distribution factor of the winding is _______

1
None of the listed here
0.866
0.5

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Alternators
Alternators are usually design to generate

Definite currents
Definite frequencies
Variable frequncies
Definite power factor

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Alternators
When two alternators are running in exact synchronism, the synchronising power will be

Sum of the output of two
Zero
Unity
None of the listed here

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Alternators
The efficiency of the turbo-alternator _____ with increases in speed.

None of the listed here
Decreases
Remians unchanged
Increases

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Alternators
The alternators driven by _______ do not have a tendency to hunt.

Diesel engines
None of the listed here
Water turbines
Steam turbines

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Alternators
Turbo alternators have rotors of _______

Same diameter and axial length
Large diameter and long axial length
Large diameter and small axial length
Small diameter and long axial length

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