Answer / rumna

a ckt breaker consists of two parts- a fixed part and a moving part. under normal operating conditions these two parts remain in contact. when fault occurs the trip coils of the ckt breaker gets energised and the moving part are pulled apart by some mechanism thereby opening the circuit.

in 3 phase (4 wire) star connection - is current pass through neutral??

7 Answers  

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what is pressure relief valve?where it is used????

4 Answers   Mecon,

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What determines the thickness of the lamination or stamping?

0 Answers  

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what is the use of expulsition protective gap in 11Kv line.

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2 Answers  

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I know current,volt,powerfactor of an electrical line. In this line how I will calculate Active power and Reactive power

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what is subtransient , transient and steady stateac components

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If o/p power is doubled by how much does the sound increase

0 Answers   Flipkart,

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what is the current carrying capacity of 725 va generator

2 Answers  

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3 Answers  

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How i can calculate current of cable according to ares?

0 Answers   Pharma,

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0 Answers   IBM,

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