Answer / jai prakash narain singh

MCCB-moulded case circuit breaker.mccb has protection for
over current,which can be set by turning the current
setting knob and you can also set the delay time.in case
over current occur for more than set time,it will trip the
mccb ,to protect the ckt

what is defference by mcb,mccb and mpcb

4 Answers   Bhel,

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hello everybody. what does an abnormal stator winding impedance or dc resistance show? thanx

0 Answers   Ansaldo,

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WHAT IS IM (INDEX OF MOUNTING )IN MOTORS

0 Answers   L&T,

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When testing an earthing connection, we use a 60 or 100 candle bulb with a phase connected direct from supply and the other wire to the new earthing provided.If the bulb glows then the earth is ok.Else earth connection is not Ok. So, why dont we can use all the home appliances taking a single wire from the phase and the return connection to Earth instead of return connection to neutral?

2 Answers  

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where solid grounding and where grounding through ngr done and why?

0 Answers   NTPC,

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what the reson to use phase shift( angle) like (dyn11,Dd5 or Dy0)are usedin power and transsmison line

1 Answers  

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how to store the thunder power?

1 Answers   Voltech,

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What are the components of a substation?

3 Answers   IOCL,

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What is class ab operation?

0 Answers  

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difference between torque mode and speed mode

4 Answers   JSW,

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What will be result if we connect LT votage to the terminal of HT motor?

0 Answers   Equate,

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what is power factor when in view of a lineman

3 Answers   KSEB,

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