Answer / dharmendra choudhary

no,becaus sparking between tap so that winding may be damage

Answer / ajit

no

How to do cable sizing calculation for 750 A Neutral Earthing resistor for 33kv. the 33kv cable going to swbd. is 630mm2 3 runs.

0 Answers  

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how can calculate resistance box for 15 kw, 6 pole, RV-230, RA-42 motor

0 Answers  

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is the surge effect the solar panel, if yes so tell me how can surge effect the panel? explain brifly

1 Answers  

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Why LED light has advantage of rapid reflection ,although other lights alse reflect.? and this light is considered to be best for transmission usage in case of Free optics

0 Answers  

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explain impact of tariff on energy management..? and what is ABT tariff

5 Answers   TCS,

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hw to calculate flc of motor ? data are:3-phase,50Hz,30kw

6 Answers   BRG, Reliance,

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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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hai friends i have BSNL JTO exam on next month so if any body have model question paper or give preparation tips to my mail id kumar4486@yahoo.co.in this will helpfull for my future .plz & thank u by kumar

0 Answers  

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Why motor initial starting current is high?

9 Answers   Pennar,

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Explain the method to keep noises low in a control system?

0 Answers   HPCL,

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Why there is no provision of breaker in between primary of UAT and generator

1 Answers  

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Why Neutral Busbar CT & transformer neutral CT connected with phase CT in Restricted Earth Fault?

3 Answers  

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