Answer / mohammed.muqtar

not less than one cable diameter between cables as per NEC 392.11(A)(3) for multi conductor cables in open single layer cables trays.

hoW to select a CT?

4 Answers   BARC,

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Pleae send me last 5 years of Question book about RRB chennai.

0 Answers   RRB,

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Is it possible Z axis excess error alarm reflect in X axis if yes explain ?

0 Answers  

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we have 3 single phase transformers. how will we generate 6 supply from 3 phase supply input

0 Answers   NHPC,

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why all selected supply voltages are multiple of 11.i.e440,11 kv,33 kv,66 kv,110 kv etc

6 Answers   Suzlon, TCS,

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why we use post insulators in no ofstacks at substation for supporting equipment ? why we not use single post insulator

3 Answers  

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what is the diffrence between preventive maintinance corrective maintinance?

7 Answers   Siemens,

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HOW WORK HEAT PLATE EXCHANGER

0 Answers  

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I did oil BDV test of 1600 KVA trafo 20KV/400V as per IEC 156. Result is 1) 58 KV 2) 58 KV 3)40 KV 4) 50 KV 5) 58 KV 6) 18 KV. Avr is 47 KV. Can we say oil is still ok even in the 6th test BDV is 18 KV ?

1 Answers  

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what is anode and cathode??

5 Answers   Bombardier,

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Draw the DOL starter and star delta starter drawing?

0 Answers   Danfoss,

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what is neutral grounding? why is it required? what is neutral grounding resistor and how is its value calculated??

11 Answers   NTPC, ONGC,

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