Answer / prasenjit maity

What is hypo test for H T cable

Answer / velappan

normally the hypot test is carriedout by DC only
but for AC ,huge size equipment is required for testing

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0 Answers  

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when we connect a ceiling fan to a inverter's output voltage, it give some noise, why?

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How do we calculate transformer oil in liter from the rating of the transformer.

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whats the differece between Exd and Exe

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Questions :- HR- Q.1 about yourself & family background ? Q.2 Why u choose Power sector as ur carrier starting not any other sector ?? Q. 3 What think abt NTPC ? Techincal Questions:- Q.1 about Vocational Training……What u did , see the main equipments….etc Q.2 Why a transformer Noise during its running condition ? Q.3 about transformer oil material & Test name for the measurement of its dielectric strength & wht will u do if its dielectric strength goes low ? ……..some discussion type ? Q.4 What is relation between transmission lines & Communication lines ? Q.5 Which Machine u will prefer to use at a place where flammable gases are coming out & why ? Q.6 how fault in an electric system is detected & hw protection of equipments is done ? Q.7 Why we didn’t feel electric shock in an electric train ?? Q.8 Anything u want to ask from us ??

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How to calculate battery back up time for a 400 AH battery bank installed in telecom shelter for a load of 20 Amps and time taken to fully charge this battery bank?

3 Answers  

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Dear,  How much ph is maintained of water electrolite used in lrs for slipring induction motor ?

1 Answers  

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What is mean by power factor?

18 Answers   Shreem Electric Ltd,

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How can we save theft of wire after finishing of wiring work, plz suggest another answer other than security or supervisor's work?

1 Answers  

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