For backup batteries connection,which method is best? series or parallel ?  

3 Answers   ABC,

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which type of starter is suitable for single phase motor ?

11 Answers   IOCL,

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Give me the calculation steps to design an electromagnet to be work in 230V 50 Hz AC Supply. Also give force that is created by that electromagnet when it gets energized.

0 Answers   GE,

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why power dissipation is due to low frequency?

1 Answers  

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what do you mean by type zero control sytem ?Give an practical example of type zero contol sytem?

0 Answers   Bhel,

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How much UG cable size should i use so as to accomodate a ground + 2floors house. A 1.5ton AC & geysers(2) in each floor with lightings

2 Answers  

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what is pole slip ?

4 Answers   NTPC,

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If we are given a 10 amp cable type and asked to calculate the number of cores used and the thickness of the cable, how do we do it?? please help...urgent!! i hope the question is clear enough!!

0 Answers  

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On a 6 KVA UPS we have to provide a DC MCB for Battery bank of 16 nos (12 V 42 AH). What Shall be the current rating of DC MCB ?

0 Answers   TNEB Tamil Nadu Electricity Board,

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Pls explan the OLR setting in VCB at HT yard

0 Answers   Juniper Networks,

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we can run 2phase as 3phase .what will be the differnce with respect to phase angle, power, current between the two modes

0 Answers  

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if installing the transformer why put the sprit the stone ?

1 Answers  

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