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|Iam deepthi.i completed my b.tech from electrical
engineering.i want to prepare for civil services.i dont have
much knowledge about these exams,but i have great zeal of
cracking exams.plz provide me suggestions to which options i
can select for optionals
|what is the function of mccb?
|Can we use the Poly Phenly Sulphide instead of Poly Phenly
Do clarify your opinion.
|Which generation plant has
|What are protection of power transformer?
|what is voltage gradient?
|what happen if we give 220 volts dc supply to d bulb r tube
|At site, we have 30Kw motor (3 phase, 400V,50Hz) and FLC
54A as per the nameplate. At the time of starting it draws
840A instead of 390A (7.2%). As per the data sheet also its
390A starting current. it thru a dol starter from the MCC.
can anyone tell what is the problem in the motor
|Why we can not get 100% efficiency from a Gas Generator?
|To check the earth condition (In plug points); the voltage
between earth and Neutral is in below 5 volts. Is it
|what type of protection used below 132KV feeders
|We have two Al.busbars each of size 125mm*10 mm connected in
parallel.To increase the current rating ,can we connect
third busbar of size 100mm*10mm in parallel to existing two
busbars?In my opinion ,if we connect busbars of different
sizes in parallel,then the busbar of lowest size will take
much current.So this type of paralleling should be avoided
.Am I correct?
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