What is the need for a controller?

0 Answers  

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Why a ballast and ignitor is required in MH and other lighting fixtures

2 Answers   Future Group,

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Why size of HT cable is less then LT cable inspite of the fact that voltage is higher in HT cable?

2 Answers   L&T,

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Why current transformer is earthed??

2 Answers  

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Is a current transformer step up or step down ?

2 Answers  

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Why D.C Voltage used in Meggering...as well as in Hipot test? why not A.C?

2 Answers  

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How dc generators direction can be reversed ??

2 Answers   GPSC Gujarat Public Service Commission,

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A system having the charactristic eqation (s+1)(s+2)(s-3)=0 is (a)stable (b)unstable (c)marginally stable (d)critically stale

1 Answers  

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why star connected transformers used in tneb?

1 Answers  

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how to select electronic timer(Star-Delta) setting for diff. rating motors

0 Answers   Getrag Ford Transmissions,

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A IS TWICE AS GOOD A WORKMAN AS B AND TOGETHER THEY FINISH A PIECE OF WORK IN 14 DAYS.THE NUMBER OF DAYS TAKEN BY A ALONE TO FINISH THE WORK IS 1.11 2.21 3.28 4.42

3 Answers   Ramky,

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Spacing of Transformers ratings are 10kva,15kva,25kva,63kva,110kva,150kva .........so on Q) Why transformer are not manufactured having ratings in between or other than these standard ratings ?

3 Answers  

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