1 hp single phase motor is more likely to get hot thsn inone hp 3 phase motor its true or false? If true why?

1 Answers   TVS,

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how we can find out the speed of fan without using any measuring instrument

2 Answers  

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difference between the applicability of nortons and thevenin theorem

0 Answers  

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Disadvantage of leading power factor

3 Answers  

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If the capacitor feeder is switched ON without any load, is there any display in the ammeter at the incomer?

3 Answers   RTD, Welspun,

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1. what is the power factor of a purely inductive load? 2. Which type of transformer connection is preferred in case of power supply transformers? 3. In power transformer usually which winding is closer to the core? 4. what will happen to the generated emf if the no. of poles of an alternator is increased?

5 Answers  

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diff between UPS and inverter?

2 Answers  

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Why carbon brush used in dc motor also why its not used in ac motor?

2 Answers   RRB,

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State four criteria's for selection of site for nuclear power station.

1 Answers  

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what is basically a pulse transformer?

1 Answers  

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What is the function of lead sheath?

2 Answers  

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is it possible to step down voltage of single phase from a three phase sysem? explain

2 Answers  

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