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Alternators

Alternators
Turbo alternators are generally used to run at

1500 rpm
1500 rpm
3000 rpm
5000 rpm

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Alternators
The voltage regulation of an alternator depends on

Load current only
None of the listed here
Power factor only
Both load current and pf

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Alternators
If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______

Remains the same
Is decreased
Is increased
None of the listed here

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Alternators
Where the terminal voltage of an alternator falls on throwing of the load, it indicates that the load is purely

Resistive
None of the listed here
Capacitive
Inductive

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Alternators
Turbo alternator are generally used to run at

5000 rpm
3000 rpm
1500 rpm
15000 rpm

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Alternators
For the same rating, the size of low speed alternator is ______that of high speed alternator.

Less than
About the same as
More than
None of the listed here

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MORE MCQ ON Alternators

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