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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 35438

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 7801

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

33 154754

define frequency ?

14 21312

what will hapen if secodery circuit is open of current transformer

8 18544

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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Un-Answered Questions

What is the difference between kmeans clustering and hierarchical clustering?

426

how to create reports on screech?

2556

what are the two methods of modifying sap standard tables ?

1069

What are sparklines compared to in excel 2016?

644

Which software is used for pl sql programming?

987

What is proper subset?

976

Assign different no. range for different business area of same co. code.

2068

How do I log into my work outlook email?

What causes a corrupted hard drive?

874

Can I run php without xampp?

1010

What Is A Cloud?

648

What is the difference between finalize() and dispose() methods?

996

What is map in pyspark?

What does an uber-jar mean?

178

How many menus will you find on the menu bar? List all of them.