Explain working of PIU(Power Interface Unit) in Telecommunication,

7 Answers   ACME, ATC, Bharti, HCL, INDUS, Pace Pharmaceuticals,

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How to operate a ac chilar plant?

0 Answers  

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why current coil has less number of turns compared to pressure coil?

8 Answers   Airtel,

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what is formula for calculate thermal overload in new numiricalrelay( not in bimetal relay)?

0 Answers  

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in 11kv/400v transformer when only one phase of 11kv supply fails what happens to sec voltage and why

6 Answers  

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1.wat is the advantage of induction motor? 2.wat is diffrence between 1-phase and 3-phase induction motor?

2 Answers  

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how hydrogen or helium is a cooling agent for alternator./ generator of big size.

1 Answers  

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Which is remain unchanged in transformer action?

6 Answers   NTPC,

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why doesnt the back emf hold the speed of unloaded series motor?

1 Answers  

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For household Load of 11Kw supplying 5Nos. 1.5 ton Air conditioners + usual other load what shall be rating of Either ELCB Or ELMCB? Which of the circuit breaker will be a better choice?

2 Answers  

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What is the general power factor & min. power rating of TV,LCD type TV, CRt type TV, Scanner, printer?

0 Answers  

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What is the difference between a fuse and a breaker?

0 Answers  

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