Answer / k.prakashchandra

A grounded trip coil is usually responsible for tripping
without indication.

Draw a block diagramof Three UPS systems connected in Parallel mode?

0 Answers   HSL,

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What is the difference between Relay and Contactor

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How can transformer oil be used in transformers with voltage rating above its breakdown voltage?

2 Answers  

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why our indian system choose the 230 volt for single phase&415 for 3-phase voltage,in forign side 110 volt is used what is the difference

4 Answers   Jindal,

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Why at the starting of induction motor current is high?

5 Answers  

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Why synchronous motor runs at a fixed speed? what is the name of that fixed speed?

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hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"

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why is the size of earth conductor is half of phase conductor.

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Why a dc generator gives result during two different condition,- 1)separately exited gen.- Eg=110 V, field current=0.25 A. 2) self exited gen.- Eg=30 V, field current=0.025 A.

1 Answers  

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I am shobana from Chennai. I am having my personal interview on 19th Dec at Chennai.kindly mail me the questions to mail id shobana.shanthi@gmail.com

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How can i calculate heat load ?

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what is the maximum load in MDB,SMDB and DB

1 Answers  

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