What is the difference between MCB and Earth MCB? What is the working principal of MCB?

2 Answers  

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explain how to protect high rise building from the risk of lighting.

1 Answers  

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The gauge indicates the number of amps, but what about voltage? How voltage rating (for wire or fuse) determined?

0 Answers  

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why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%

0 Answers  

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How to calculate load requirement of a 50 flat apartment with 5 kw each unit,sizing of cable,transformer

1 Answers  

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State how to produce a constant rotating field by application of alternating currents to stator armature of a three-phase squirrel-cage induction motor

0 Answers   Jindal,

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What is the Resposiblity of Electrical Utility Engineer

0 Answers  

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what is mean by marshalling box in transformer?

8 Answers   Reliance,

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Derive the inductance of a coil in terms of its physical factors.

1 Answers  

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How will polarity test of Dy5 Transformer ?

0 Answers  

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I am having a 1500 KVA transformer whose secondary current is 2086A and my connected load is 1000 KVA, I am having 400 KVAR APFCR for PF improvement what ratio of CT should i install in LT EB Bus to get optimum PF improvement?

0 Answers  

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how to select overload-relay for perticular motor 1.for D.O.L. starter 2. for Star-delta starter ????

0 Answers   Vatika,

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