What is the difference between air & vaccum circuit breakers?

2 Answers   IOCL,

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What is the d/f between DOL & star delta starter & automatic star delta starter?

23 Answers   ACC, Dalkia, Engineering, Indeco, NINL, Novotel, RMH Control Systems, Wipro,

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What is VCB'S @ ACB'S.Plz explain Briefly

2 Answers  

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What is the power factor you maintain at ur organization?

43 Answers   Cummins, Exide, Johnson and Johnson, KTC, Microsoft, Powergear, Secure Meters, Suncity Strips, Wheels India,

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how much allowable resistance that can be difference in motor all coils?

0 Answers  

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How to test the vector groups of 3 winding transformer & phase displacements

2 Answers  

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why are we using resistor in NGR ?

1 Answers  

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What is the difference between type1 and type2 relay protection co-ordination for motor feeders

0 Answers   DAE,

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Explain the functioning of diode?

0 Answers  

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Resistor switching is used in which type Circuit Breaker ? a) oil filled CB b) Air blast CB c) Gas filled CB

11 Answers   Engineers India Limited, wbsedcl,

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what is the effect of PF on alternator sizing?

2 Answers   Siemens,

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Stator core loss of squirrel cage induction motor compared to rotor core loss is= A equal B more C less D depends on load

2 Answers  

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