| Other Electrical Engineering Interview Questions |
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|Please mention available current rating
for MCB,RCCB,MCCB in the market or any
|why there is no grow of grass under the high voltage
|what is the type of winding connection( star or delta) in
1HP to 5HP motors. How to check the motor winding
connections( star or delta) if not provided in the
|What is the voltage b/w nutral and earth
|How does MCB operate without relay..?
|how to find the transformer effiiency
|what is the difference between static and dynamic induced emf?
|in a plug point why the hole size at the top is large?
|whose the first invented AC voltage or DCvoltage
|WE are using a 63A MCCB(SIEMENS MAKE) for one of the feeder
in LV substation panel.It is supplying to a lighting & power
socket DB.Settings in the MCCB is Ir = 63 * 1 , Isd = 8
times of Ir , tsd = 0.5 sec( I2 t off).
Sometimes this MCCB is tripping .But no trip in DB MCB.
Can anybody tell me reason ?
From where i can know about the MCCB settings?
|which one has maximum efficiency
autotransformer or transformer??
|How to do the meggering for a cable.
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