Is phase preventer require when overload relay is there

1 Answers  

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how we decide the require size is this for a known current at fuu load?

0 Answers  

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Explain RYB?

21 Answers  

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what are ABCD curves in MCBs and how we observe that curves?

2 Answers  

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how to test the electrical panel.ht lt mcc pcc.

0 Answers   Ambience, Shivalik,

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What is the permissable nutral current of three phase system as per IS standards?

0 Answers  

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What is the breakdown voltage?

13 Answers  

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What is MS-EXCELL?

0 Answers   NTPC, Siemens,

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Do any one know exacatly when the results for NHPC held on 8th march 09 for engineering trainees will be released ?. if so please post it, i'm eager to know it.

0 Answers   NHPC,

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how can we measure the import power and export power in the same line?

1 Answers  

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before transformer oil dielectric strenght tests are taken the oil should be allowed to settle to remove option 1 air bubbles 2 gasses 3 contamination 4 water

0 Answers  

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While performing load test on DC SERIES MOTOR, does the voltage decrease slightly. Why?

2 Answers  

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