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KPTCL Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What is Ohms law?

28 35354

check list of maintenance of transformer?

11 113220

HOW DOES ONE SELECT A TRANSFORMER PHASOR GROUP IE, WHETHER A STAR-DELTA TR OR A STAR-STAR OR A DELTA-DELTA, ETC. TRANSFORMER IS MORE SUITABLE FOR A PARTICULAR KIND OF LOAD OR WORKING CONDITION???

3 7774

how to check the earth resistance value& what is the minimum earth resistance for good earthing sysytem.

33 154489

define frequency ?

14 21216

what will hapen if secodery circuit is open of current transformer

8 18505

how can we find a burden of potential transformer? what does it effects? how can we calculate rated load of it?

4 34593

in 400 kv system why should trip both side CB when we give hand trip?

1 7536

Insulater disk using formula for 33/66/135 line h t line

1 4992

what is broken conductor indication

3 5104

We have 11kV/110V three phase indoor potential transformer in 66/11kV Sub-station, where the failure of PT is frequently happening and the rating of the PT is 0.2 class accuracy, with primary star and seconday (two cores) star connected. Some experts has suggested to not to connect the PT Primary neutral to the ground because when transformer neutal NCT connection is loose; the faulty current will flow through the PT primary neutral, resulting into failure of PT. My question is: Is it necessary to remove the primary neutral connection of the PT from ground? if not, what would be the reason for failure of PT. Please guide me.

2 3723

In my power station 220 volts dc battery set. they coneected 84th cell taped

1 2215

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Un-Answered Questions

How do I write to the application configuration file at runtime?

992

what is the include program name?

2117

What do you mean by cascading style sheet?

626

Where is the quick access toolbar located?

959

What is difference between sybase and oracle?

918

Compare CORBA security with security of other distributed object computing frameworks such as Java RMI or DCOM?

1890

If the emphasis in PeopleSoft 8 is the internet, why do we still need windows client?

1149

Cite an example from life to explain the aesthetic value of Mathematics

1062

What are the key components in bpc architecture?

What are the file storage options provided by oracle database for oracle rac?

How to count the occurrences of a list item?

865

What is meant by load angle of an alternator? Upon what factors does the load angle depend?

2996

What is the default size of arraylist in java?

1115

What will happen if a pointer is deleted twice?

1172

Can I reinstall windows 10 with the same product key?

729