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Answer :

Most of the fractional horsepower motors have either plain or sleeve bearings.

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Answer : In D.C. machines fractional pitch winding is used to reduce the sparking.

Description : Why engine power is measured in horsepower (HP) ?

Answer : James Watt compared engine output with that of work done by a horse. WD by horse = 746W.

Answer : The horsepower of steam locomotives is up to 1500.

Answer : For diesel locomotives the range of horsepower is 1500 to 2500.

Answer : The value of starting capacitor of a fractional horse power motor will be 300 uF .