Electrical Machines
A dc shunt generator has full-load voltage regulation of 10% at rated speed of 1000 rpm. If it is now driven at 1250 rpm, then its voltage regulation at full load would

 be 12.5%
 remain unchanged
 be less than 10%
 be more than 10%

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Electrical Machines
Where the shunt generators are widely used?

 Where often load fluctuation is occurred.
  Where a constant voltage is required over a narrow load range.
 Where voltage variation is needed over a wide load range.
 Where the load is very high.

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