Answer / rabi

Ac-1 contactor is used for "Non-inductive or slightly
inductive loads, resistance furnaces".

Ac-3-contactor is used "Squirrel-cage motors: starting,
switching off motors during run-ning."

1. What is the exact formula for one weber? for example,(one ampere = one coulomb electron of electrons crossing a point of conductor at one second. i.e, 1A=1Q/1sec)

0 Answers   Bhel,

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how to check the earth resistance value& what is the minimum earth resistance for good earthing sysytem.

33 Answers   Brookfield, BSNL, DMRC, Epoch, KPTCL, Polycab, Power Control, SIEA, Siemens, Wipro,

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What happen if we give resistance to the armatuure of a dc motor?a

1 Answers  

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Why we check only first column of root locus..?

1 Answers   IES,

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which stabilizer is better ? AVR, Servo Stabilizer, Static stabilizer etc & why explain it

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what are the effects on an power plant and consumers if the power factor is increased or decreased?

2 Answers  

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difference between elcb and rccb

3 Answers   ITC Infotech,

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Define what is difference between fuse and breaker?

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how we can decide that what value of ht line will come to any commercial building? (ans except According to the building load)

0 Answers  

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what is power factor

4 Answers   UltraTech,

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application s to shunt coil

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what is the full Form of AAC ant conductor?

5 Answers  

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