Why we use DC for charging of Batteries??Why not AC Supply???

6 Answers   Emerson, Infosys,

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what is servo motor and how it works?

0 Answers   Godrej,

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which motors is used in mixies

3 Answers  

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can we use the step down transformer to step up transformer

6 Answers  

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what are the safety in transformer,diesel generator,ups, chiller plant,h.t. , L.t. , sewage treatment plant(stp),water treatment plant(wtp), fire. plz ans. me in detail if you know any of the mention above. i urgently need

2 Answers   Claris Lifesciences, EFS,

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why transmission is only 3 phase and not 2 or 4 or poly phases

0 Answers   Infosys,

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What is the difference between Earth Fault protection & Neutral Protection

1 Answers  

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Enlist four components of electrive drives.

0 Answers  

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some ac motor's direction get change dueto ghanging input to the ac drives.(say ryb to rby). but some motor direction remains the same when phase sequence is changed fromdive side. can anybody guide me?

1 Answers  

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in Telecom DC system-why positive +ve is made earthed.and - ve is fed to load.

0 Answers  

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what is an rmu?its circuit diagram.functions

14 Answers   CP Bangladesh, Emrill, NDPL,

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what is AVR in alternator how its work?

8 Answers  

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