what is the different between surgearrester and lighting arrester

4 Answers   HPCL,

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How can we calculate the rating of a transformer suppose if load is 1000KW?Formula?

3 Answers  

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What is the latest generation of circuit breakers called?

3 Answers   Epitome, Focus Energy, Jakson, KDC, L&T,

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how to calculate size of cable from motor current given and how to calculate full load current of a induction motor.

3 Answers   Aarti Steels,

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diff between UPS and inverter?

2 Answers  

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why does not tester light up when it is touched to neutral of 3 pin socket.

4 Answers  

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What is the difference between Off line UPS and Line interruptible UPS?

1 Answers   Etisalat,

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Please tell me ceilingfan sweep means. Commenly we used sweep1200mm and 600mm MMENLY WE USED CEILINGFAN SWEEP1200MM AND SWEEP600MM

1 Answers  

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what is the difference between unarmoured & Flexible cable? How to identified?

0 Answers   Priyanka Electricals,

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Why does the power consumed is always constant even if a fan speed is altered?

4 Answers  

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directional over current relay when acted & how it works

3 Answers   NCC, ThyssenKrupp,

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Why we are use 11KV / 22KV / 33KV / 66KV / 110KV / 230KV / 440KV this type of ratio. why cant we use other voltage ratio like 54KV / 99KV et.,

8 Answers   College School Exams Tests, Hino, ITC Infotech, Reliance, UPRVUNL,

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