On what basis the the size of Lightning arrester for buildings are selected ?

0 Answers   KGD,

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What is IPXX?

2 Answers  

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suppose MCC (Motor control center)panel work on field the relay on this damage or not work and earth fault occurs in this and no indication in relay panel given below. than MCB trip or not and what effect the panel how find relay will damage or not work.

2 Answers  

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what is the differnce b/w voltage and current

8 Answers   Steel Plant,

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when voltage increases current decreases & vice versa why it is so?

3 Answers  

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What is the meaning of transformer 16 / 20 mva. 

1 Answers  

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Don't you have similar question banks related to Oral Certification Examination conducted by Mercantile Marine Departments / Directorate of Shipping, Ministry of Shipping for Electro Technical Officer?

0 Answers   Bernhard Schulte Shipmanagement,

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what is spill current?

4 Answers   Adani, NPCIL,

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what is the electricity

3 Answers  

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please can i know about total harmonic distortion and how i can calculate it and if anyone can help me to find any program to help me to calculate THD?? please need it

1 Answers  

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what happens when we give ac supply to the dc motor?and why?

4 Answers  

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what is the major difference between dc generator and synchronous generator?

4 Answers  

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