What is MPCB, MCCB, ELCB, RCCB ? Explain them ?

2 Answers  

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What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current

0 Answers   ABB, Jindal,

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In ac circuit R,L,C are connected in series what is the output the circuit? explain

4 Answers  

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400Kv,can it be generated?why?

2 Answers  

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how works inductive &capacitive sensors?

0 Answers  

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what should be the motor rating for pumping water for house hold use from 60km far lake and what formula is to use please tell me

1 Answers  

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If not into production, how far did you follow the design and why did not you see it into production?

0 Answers   Bharti, Havells, Intel,

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what is AVP?

2 Answers  

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How to check it good or bad capacitor

4 Answers   IMD, ST,

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Name different types of circuit breakers and their voltage ratings?

11 Answers   NTPC,

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give me battery AH calculation in U P S

1 Answers  

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why PT transformer primary r the grounded?

2 Answers   L&T,

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