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FUELS AND COMBUSTION QUIZ

In an alternator, for a coil having a span of 2/3 of pole pitch, the coil span factor will be

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Which of the following prime movers is the least efficient?

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Turbo alternator are generally used to run at

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Which harmonic will be totally eliminate in an alternator by using a fractional pitch of 4/5 ?

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The stator of an alternator is identical to that of a ______

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If the number of poles of an alternator is increased, the generated emf

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For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles.

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High speed alternators are driven by _____.

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The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators.

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A two pole alternator is running at 1500 rpm. Its angular velocity is ______

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