pleasee tell me the risks and hazards of a Cable Jointer job? Thank you.

1 Answers  

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why we use salt for earthing?

1 Answers  

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which are the criterias needed to select the kind of neutral earthing(solid earthing,resistance earthing,etc.) at various voltage levels in electrical distribution?

0 Answers  

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WHAT IS DEAD END IN PROTECTION?

0 Answers   Ispat, L&T,

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what is emitter follower configuration? and what are it's features?

1 Answers   IBM, TATA,

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Hydro P.P. run @ 600 rpm,8pole, Nucler P.P @ 1500rpm 4 pole , ThermlP.P @ 3000 rpm 2 pole.Why this diffrence??? when we can generate electricity @ 600 rpm then Why we had incresed speed in NPP & TPP???

3 Answers  

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2 v/500amp/hr to 1.80vpc at 20 degree celsious 2v/5ooamp/hr to 1.75 vpc at 77degree farren .this is the capacity of a battery .what is the meaning of this . can i get a detailed explenation

0 Answers  

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Single line diagrams for star to delta and DOL starters.

0 Answers  

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what is the problem when i want to close a circuit breaker by local position it closes well.but when i close it in remote position it trips

0 Answers   KPCL, MDIM,

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in 11kv generators the neutral point is connected to earth via earth coil while in the 33 / 11 kv transformer the neutral point is connected to earth via earth resistor why? 

1 Answers  

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1)What will happen when 240 VDC supply is connected to 240VAC supply(DC supply +ve is connected to phase of AC supply & DC supply is to neutral of AC supply). 2)Also what will happen when 240 VDC supply is connected to 240 VAC supply in reverse polarity as of Sr. No 1.

2 Answers  

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how to calculate the phase diffrence beetween given two equetion  y= 15sin(wt+pi/3) and y=10sin(wt-pi/4)

1 Answers  

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