Answer / sahil1996chopra

Undesireable change in othr aplliance

Answer / raju bhai

any undesirable change

why Batteries & Battery chargers are used in substation? what is the different between UPS & battery charger?

4 Answers   DLF,

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what is the purpose of vector group in a transformer ? if 2 tranaformers r connected in parallel the vector group is same or not? for parallel operation 2 transformers of different manufacturers maintain same vector group or not?

3 Answers   Orchid,

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During Testing of Maintenance Free Earthing, How deep should be the Spikes of Earth Test Meter should be inserted in the soil(one spike is 15 Meter & Other spike is 30 Mtrs away from the Main Earth Electrode. Because, recently, we observed that when spike is inserted 3-4 Inch in the earth- results are better, If spike is inserted 1 feet deep than results are increasing.

0 Answers  

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Why we use duplex coil and hook switch in telephone system?

0 Answers  

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How does a VOLTAGE OPERATED DIFFERENTIAL RELAY work??

2 Answers  

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plz tell me about detailof induction motor Slip

2 Answers  

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if a motor is running at 1500rpm then how you can find its HP

1 Answers   Construction,

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anyone knows service engineer in chennai for EDM SPARKING MACHINE.CHMER PULSE CD 60 M.pL GIVE ANY CONTACT NOS

0 Answers  

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Why an ac solenoid valve attract the plunger even though we interchanges the terminal? Will the poles changes?

0 Answers  

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how to calculate the cable size for LT and HT power cables with detail explanation?

2 Answers   Asset Developments, Bhel,

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need of capacitor used in plant

3 Answers  

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it is possible to rotate the DG engine dc starter with wrong polarity connections? why?

0 Answers  

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