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Alternators

Alternators
Turbo alternators are generally used to run at

1500 rpm
1500 rpm
5000 rpm
3000 rpm

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Alternators
The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf.

None of the listed here
Greater than
The same as
Smaller than

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Alternators
In an alternator, armature reaction is considered equivalent to

Fictitious reactance
Fictitious conductance
Fictitious impedance
Fictitious resistance

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Alternators
The non salient field construction is used for _______ alternator.

None of the listed here
High speed
Medium speed
Low speed

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Alternators
A turbo alternator uses ________

Nonsalient pole field structure
Rotating ac machine winding
Salient pole field structure
None of the listed here

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

0.866
None of the listed here
0.5
1

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