Answer Posted / muteka

Online UPS is the one which gives output all the time from
battery whether there is power failure or power on. You
get backing from battery all the time.

Offline UPS supplies Mains to the output when power supply
is regular and charges batteries as well at the same time.
When power fails it switches those batteries to produce
output for power backup.

i want bhel placement paper for electrical if anybody having pl send to my id kavitha867@myway.com immediately

1546

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Which material is used for the core of a transformer and why?

592

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pls tell us AC plant are how do work and parts name with picture

1444

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Define non-touching loop.

796

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What is the Diff. btw Manule Pull Station & Manule Abort Station Switches used in FM200 System??

1379

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How to select HT/MV cable size ?

1981

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to hook up ten 50 amp rv pedastels at a lenth of 600 feet from the service what size will my service need to be and the size of wire will I have to run to each pedastel in series??????

1481

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How to calculate cable size by using load.?? Any formula...

893

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what are the assumptions made in swineburne's test?

1681

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Define demand factor?

648

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Given a collection of points P in the plane, a 1-set is a point in P that can be separated from the rest by a line; i.e. the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P). The maximum value of n1(P) over all configurations P of 19 points in the plane is 18

1643

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STATE USE OF ARC RUNNERS & SPLITTERS ?

1451

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Dear sir, How to calculate 3.5 core pvc aluminium armoured cable meter wise carrying amps rating.Please give the solution with a good example.

1290

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How to calculate KVA/VA rating of PT or CT from primary & secondary voltage or primary & secondary current?

1971

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how we explain parallel paths armature winding?

1444

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