Answer / rocky

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Why we use Carbon & graphite mixxed brushes in the DC motor?

6 Answers  

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What is the requirement of sulphuric acid in electrical feild?

1 Answers  

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How the electric train gets the supply of electricity? What is the return path of the current?

7 Answers   NTPC,

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what is rotor earth fault protection scheme in hydro generator & what is dc field flashing ?

2 Answers   NHPC,

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what happens when one of the phases out 0f 3 phases been removed under working condition and no load condition will the machine run if so plz send me why

2 Answers  

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How the setting of the vector surge relay shall be calculated when the relay is to be used for Grid islanding application?

0 Answers  

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How will you Physically differentiate A.C and D.C motor?

10 Answers   BSNL, Polycab,

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What are the basic elements used for modeling mechanical rotational system?

0 Answers  

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HT motors are generally connected in star, what will be the effect if we connect HT motor in Delta?

6 Answers   Equate, Ion Exchange,

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If current and resistance in a circuit is increased by 20%, what will happen to its voltage drop??

4 Answers  

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Can we use a Potential Transformer for Auxilliary Power supply( Spring charge Motor, Lighting etc)?

1 Answers  

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WHY FEEDERS TRIP IN COLD AND FOGY WEATHER?

2 Answers  

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