Answer Posted / vaika

circuit breaker is an automatic device capable ofmaking or
breaking an electrical circuit under normal or abnormal
conditions such asshort circuits . we can operate this in
onload condition.
isolator switch is used to make sure that an electrical
circuit can be completely de-energized for service it is an
off load operating device

how does a submersible pump work..?

1934

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please give me all the Alarm .Trip ,Safety Relays & Conditions of Chiller mail me on ashokbabunhce@gmail.com

1881

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What are the advantages of autotransformer?

1255

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

2309

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why current is constant on d.c?

2133

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can anybody send the rrb chennai &rrb bopal question papers of 2006&2007.My exam is on 12 oct 2008.Its urgent

2091

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Don't you have similar question banks related to Oral Certification Examination conducted by Mercantile Marine Departments / Directorate of Shipping, Ministry of Shipping for Electro Technical Officer?

1721

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can mini-curcuit supply MIL-tested transformer !

2185

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How we calculate the current carrying capacity of H.T. cabel?

2308

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what is the difference between an alternator and a synchronous motor

2069

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Whether it is possible to measure energy at the input of rectifier transformer (12 pulse with very high odd harmonics)

1957

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what is the function of impulse relay

2574

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State ohm’s law?

1167

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what is self capacitance of inductor

2463

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What is the ratio of Booster transformer?

2217

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