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|What is the difference
between Earth and
|Why distribution transformer secondary voltage is 0.433kV
instead of 0.415kV.all other switchgear rating are 415
|Is there any difference in AC current/ DC current carrying
capacity of a conductor .What can be maximum current
handling capacity of a 2.5mm stranded cu cable when
connected to AC and DC supply.
|what is the resistance value of our human body?
|In Panels Main Incomer considered should be TPN or FP?
|I have recently seen a transformer which had two primary
terminals and was connected between two lines,i would like
to know what kind of transformer is it?short discription
about it,any advantages,purpose of usage of the
|what are the sections in a high voltage
|dielectric strength of vacuum is greater than SF6 but for
132Kv uses sf6 breaker & for 33kV uses vaccum breaker why such
|a induction motar has 30-35%
exciting current at
no load but in transformer it is
only 2-3% ofbrated
current why any reason?
|Determine the minimum cable size for a 28A single phase
final sub circuit originating from the distribution board
supplied by three phase submain. The route length of the
final sub circuit is 54 m. Assume 1% voltage drop in the
consumer's mains. Submain specification: Cable: 50mm2 4
core V75 copper; Route length 42m; Maximum demand 135A per
|1. Synchronization is not required
A. Thermal B.Hydel
|two bulbs of 100w and 40w respectively connected in paralel
across a 230v supply.which bulb will glow bright and why?
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