1)how many types of earth? 2)how many types of megger and how to select that range? how much time taken for megger calibration( we r using megger)

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in science exhibition how lamp can blink when you clap near the lamp ? thank you

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Can any one tell me the current VAT, Sales Tax, Octroi and Excise duty for the financial year 2009 -2010. Say control panels are manufactured in maharashtra, then what will be the taxes for within Maharashtra and outside Maharashtra?

1 Answers  

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working principle of induction motor is similar to transformer. but what makes it to rotate? then why the transformer doesnt?

4 Answers  

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why table fans rotate clockwise .while ceiling in anti clockwise?

4 Answers  

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Dear all i want to know FEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me shibin_75@yahoo.com

1 Answers   FEWA,

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Please explain how to do 'tan-delta test' on AC generator? and where i get clear and brief detail, give any web page address.

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What is the voltage b/w nutral and earth

11 Answers   Mind Space,

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PRV (Pressure relief valve) Trip with oil splash outside power transformers

1 Answers   Khan,

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How to select the releases for MCCB ?

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Can anyone please provide me details of MCCB/Contactor/SFU rating calculations for a motor feeder..for example 50 kw.. not from type-2 cordination chart. i want manual calculations..

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What is transmission line potential gradiant?

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