Answer / j.kesavan

vaccum circuit breaker ,vaccum is arc qunching media, to
arrest the arc in breaker closing time.

Answer / shabharish

This CB is normally used for high current carrying
feeders ,Here vaccum is the media to quench arc during
making or breaking of contacts

Answer / sunil kaushik

as the name indicated that arc is extingished in arc during making or breaking of contact. the vaccume is about of (10)-8 torr.

Answer / er. r.n.soni

Vaccum means "no media". As such arc could be generated
while opening and closing of electical circuit

I am apply the AAI. So i want electrical sample question paper in technical with answer my id is vijayjobsmart@gmail.com

0 Answers   AAI Airports Authority Of India,

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3 Answers   Areva, Kim Yew,

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0 Answers   KSEB,

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A 11000/415V distribution transformer is fed 415V upon it's LT side,Do I get 11000V upon it's Primary side ?

7 Answers  

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