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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 25012

What is Ohms law?

 28 36737

check list of maintenance of transformer?

 11 114087

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 8017

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

 33 156709

define frequency ?

 14 21995

what will hapen if secodery circuit is open of current transformer

 8 18973

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

 4 34959

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

 1 7698

how to caluclate tds from emloyees and others

 1 2216

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

 1 5151

what is broken conductor indication

 3 5364

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 3906

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

 1 2357

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Un-Answered Questions

Re: Can anybody help me by attaching files , formats for quality checks of common building materials like cement , concrete , bricks , sand and aggregates? please my email id is smgujjal@gmail.com

2099

pleas send me the syllabus of rrb je examination(mechanical)

2397

How long would you stay with Aeropostale?

1186

What is dynamic dispatch in c++?

1136

What is your work experience in pharmaceutical field?

1184

hai sir pls send me Appsc Assistant Statistical Officer(ASO) previous papers. And Apsrtc MST previous papers. Thanks you sir.

2561

Dear, any body give me MIS repor - excel sheet format for share trading purpose.

2246

Why did you decide to pursue your career at Subway?

1363

1)how to reduce the value of tan delta of trasformer and CB,bushing,CT&PT,CVT ? 2)how to reduce the resistance of CB contact and its operating time? 3)plz.....send me the project report on conditioning and monitoring of substation equipment on my email id (gusaiyogendra03@gmail.com)

2410

Can you used moeller lzm1 mccb in a dc system with 125vdc and 20ka short circuit current , beside is it have 24 or 48 volt shunt ? Beside how long current can through from An MCB shunt contacts? (like Z7-AS 24 V)?

2155

What can you do for Subway that other candidates cant?

1299

pls,send the previous year written test questions.

1990

hi friend i am going too attend for hpcl in this month please help me by sending written test question papers i am in the stream of E.E.E

2056

How to export data from database and import into another?

999

What is the latest version of linux?

1020