what is the maximum demand how it is defined

1 Answers  

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1. what is the power factor and whatis his losses 2. what is the working procedure of 51RNB AND 87 relay

3 Answers   ABB,

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if v r considering a 4000/1A ct,if v inject 1 amps in secondary core wat happens?(consider as 2 core ct,each for metering and protection)

1 Answers  

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What happens if a three phase induction motor is suddenly single-phased while running? Which type of winding connection will be affected?

22 Answers   B4S Solutions, DRDO, FACT, SL Electricals,

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What is the relation between frequency and motor rpm?

0 Answers  

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what are the types of electromagnetic forces developed in practical transformer?

0 Answers   APC, BPCL Bharat Petroleum, Electrical Tech,

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What is the most accurate way of testing ELCB?ELCB is better than RCD?

0 Answers   GECO,

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Difference between earthing & grounding.?

3 Answers   ABB,

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what is the minimum voltage require to injure our body?

4 Answers  

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What are the types of TESTS in CIRCUIT BREAKERS based on Testing and commissioning?

2 Answers  

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how is working the APFC when varying the load?

1 Answers  

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Please sent me some previous year question papers of BSNL-JTO telecom and RRB in ELectrical Engineering to varshashahi@yahoo.com

0 Answers  

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