i have gear oil pump with single phase motor.some time its motor starts running in reverse direction rather than forward direction...whats the reason behind this issue. 1- either capacitor is week? 2- or winding is week?

0 Answers  

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The MCB circuit breaker have a voltage rating of 440VAC it's possible to supply a voltage of 480Vac

1 Answers  

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please tell me, how i clear the objective test? when i studied form the one book after i solved the objective ,that time i solved that qes. but if i tried solve objective form the other book then i could not solved these que.

0 Answers  

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What are the test involved in DG auto synchronizing panel before in manufacturing place before dispatch.

2 Answers   L&T, TCS,

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why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?

2 Answers   QRG Health City, Siemens,

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how to calculate the current capacity of a wire if its dimension in Square mm is given

1 Answers   TATA,

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I am B.E.electrical engineer having 7 years of experience in Transformer testing upto 315 MVA.I want to khow how I can get the 'Electrical Valuer' License.

0 Answers  

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how is calculated the quantity of weight in hot test xlpe?

0 Answers   Hirbodan,

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how to calculate the surge level of surge suppressors related to the SF6 cicuit breakers?

0 Answers   Crompton Greaves,

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In vapour absorption refrigeration machine fluids used are

0 Answers   Caterpillar,

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what is different between grounding and earthings?

4 Answers  

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What will hapen if we connect more capacitors than required for powerfactor control? Exactly what will be the effect on power system?

2 Answers   Mandovi Pellets,

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