How to distinguish whether MCB is DC or AC looking at it physically

0 Answers  

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what is the difference b/w ground & virtual ground?

0 Answers   Accenture,

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sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

0 Answers   Jindal,

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resitance in ac=1.6*resistance in dc

3 Answers  

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if dc is better then ac...then why we are perfering ac over dc?eg:at home?

2 Answers  

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If a fan get trip and run in reverse direction due to system flow. Now in this condition during starting how can a VFD bring this negative speed to zero and later run in forward direction?

2 Answers   Aditya Birla, Siemens,

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How much KVAr bank reqired for 630 KVA transformer on full load for maintain power factor upto.99

4 Answers   Dhanalakshmi Industries, DLF,

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Main CT ration is 400/5, meter CT ratio is open type: -/5A. What is the Multiplying factor of the meter, considering same PT ratio.

1 Answers  

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How many types of lightings are there

2 Answers   ABB, Met Trade,

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Stator of three phase induction motor creates Rotating Magnetic field.But why not Transformer?

21 Answers  

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Capacity of circuit breakers all types

1 Answers   Megatron Solutions,

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can we start mulitple 3 phase induction motors with common starter?

1 Answers  

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