how to detect the presence of underground cable(while digging road)etc. -give the name of instrument

7 Answers   NTPC,

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if an insulated power and control cables of a running gas diesel gensets laid direct in an open trench i.e, trench bed is not rcc of a power house in which rain water, spillage water alwas exists and all power control cables remains submerged even when gas gensets of 480 kw each runningin on load. These power &control cables runs from power house to switchgear room through these trenches in which water remains most of the time. pl explain its merit & de-merit

0 Answers  

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When i went to a interview the interviewer ask me a question for that i cant able to answer him if anyone knows answer me How will you design a capacitor bank for a plant? if my p.f is 0.6 i have to improve it to 0.9 or 1 what kind of steps i have to do? and is there any formula for calculating this?

2 Answers  

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what is boucholz relay and the significance of it in to the transformer?

2 Answers  

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Is it possible to interlock between ACB & MCCB?

2 Answers   Areva,

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What is the approximate value of stacking factor?

0 Answers  

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suppose we using 3 phase motor of 440 v means what range of C.T. is require for measuring current ?

9 Answers  

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How we calculate the size of ht cable for any transformer

0 Answers   WalMart,

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what is meant by CT burden = 10 VA?

1 Answers  

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why permanent magnet generator have higher frequency of 400hz

3 Answers   Jaypee,

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What is Synchronization of generator,where and how it is achieved.

1 Answers   HEC,

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If I fill the form of engineering services and I left the exam de to navoidable reasons . Will it counts my one attempt

2 Answers  

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