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KPTCL Interview Questions

Questions Answers Views Company eMail

The first telegraph line between Calcutta and Agra was opened in (a) 1852 (b) 1853 (c) 1854 (d) 1855

4 24698

What is Ohms law?

28 35437

check list of maintenance of transformer?

11 113305

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 7799

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

33 154750

define frequency ?

14 21311

what will hapen if secodery circuit is open of current transformer

8 18543

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

4 34645

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

1 7553

how to caluclate tds from emloyees and others

2118

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

1 5014

what is broken conductor indication

3 5141

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 3752

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

1 2228

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What are the examples of spreadsheet?

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I am using excel. I am working on a spreadsheet in which the columns are showing numbers rather than letters. How do I get the letters to show again?

655

Explain what does it mean when a pointer is used in an if statement?

1068

What is the difference between a regular bitmap and a nine-patch image?

978

How can you declare multiple assignments in one statement?

943

How are blocks created?

915

Which company developed JavaScript?

1038

Will there be a windows 13?

931

Explain region, block, menu in drupal?

170

What’s jboss cache in short?

1123

How often will the ekg be abnormal in patients having an mi?

855

Explain how you would be an asset to Ralph Lauren?

1220

How do we overload functions in actionscript? : adobe flex action script

Give an overview of openstack services?

242