Wtat is vaccum currcuit breaker.define with cause of used.and where be use it Devise .

1 Answers  

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In batteries after completion of charging which colour gas is emitted from it?

2 Answers   Essar,

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ho w to make Incident and accident reporting

1 Answers  

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what is the difference between single phase, 2 phase, and 3 phase in electric meter?

1 Answers  

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how to select power and control contactor .

1 Answers   Bhel,

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Why rotating machines are not allowed to run near critical speed region?

2 Answers  

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in electrical fire which group fier Extinguisher as used

6 Answers  

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how circuit breaker work.. what is the operations taking place inside a circuit breaker when an overcurrent occurs... is it similar to fuse?

0 Answers   LTT,

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why we use the fuse in only one wire? althrough in ac current the current flows in both directions. why the neutral wire can be taken half the magnitude of phase wire while same current returns from neutral wire?

2 Answers   Bhel,

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To check the earth condition (In plug points); the voltage between earth and Neutral is in below 5 volts. Is it correct

6 Answers  

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What is the meaning of BUS?

20 Answers   CII, KLG Systel,

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What is burden of ct,explain very simple

2 Answers   KSEB,

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