Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the max demand on your transformer and your company?

Bhel, CBRE, Core Consultants, HPL, IOCL, JLL, L&T, Lemon Tree, MNC, Rashmi, TATA, Tata Motors, Tata Power, Torrent Pharma,

10 51137

What is the power factor you maintain at ur organization?

Cummins, Exide, Johnson and Johnson, KTC, Microsoft, Powergear, Secure Meters, Suncity Strips, Wheels India,

43 79047

How do you connect the capacitors on polyphase circuits?

L&T, Transco,

10 36785

What is the make of breakers, transformers, generators? What are their capacities and ratings?

Bharat Bijlee, GHPPL, Tata Motors,

4 22924

Is your generator is automated or manual if so do you know the circuits?


7 21053

What are the different sizes of cables for H.T and L.T side of supply?

Bhel, BSES, Karthik Industries, Lanco, Nedco, Shilpa Electrical Engineers, TATA, Torrent Power,

7 63950

Do you know how to measure the earth resistance? if so explain it

ABB, BEL, BridgeStone, College School Exams Tests, Dalkia, Dalmia Group, DEC, Electrical, Genpact, HEC, IOCL, JLL, L&T, MSEB, Saraca, Sical, Telecommunications, University Exams,

42 154182

What is meant by H.R.C fuse?

Gas Projects, GSCE, Taj Group,

40 182880

What are the different protection systems takes place on control panel board?


7 23774

What are the different ratings of the fuse units for different distributions at your organization?


3 13174

What are the different protection systems used to protect the transformer internally and externally?

16 45498

What is the rating of your substation and what are the different types of substations?


5 34153

What should be the earthing resistance of an industrial substation and also What should be the house hold earthing resistance?

Jindal, Pharma, TAAT, TATA,

20 94456

How do you maintain the earthing resistance?

Birla, Ford, JLL,

13 43497

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Un-Answered Questions { Electrical Engineering }

can anyone please help me to find the rupturing or breaking capacity in KA of circuit breaker (MCCB,VCB,ACB etc) of HT and LT side of a distribution transformer...please help with detailed step by step answer...thank you


what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?


How to calculate main incomer rating of APFC Panel ? Let's say i want to find main incomer for 11kV, 1000kVAR Panel.


What kind of preventive maintenance are there for transformer?


Why IR value of the (HT cable Plus synchronous motor) is less while individually having IR values in GΩ?


What is pole of the system?


Iin ESP why positive is grounded ? why not negative ?


Damping resistor provided in open delta (tartiary) winding of a measuring PT at the incoming of a MV inverter drive panel is getting heated up. Can any body explain the reasons and suggest the remedy?


What is the two pole structure?


what will happen if synchronous machine rotor fed from single phase ac supply 


Define availability (operational)?


Why do we avoid electrical conduits in floors at apartments?


What are the advantages and disadvantages of the ac motors?


how do we calculate length of starting time and repeated starting of a direct online starter?


why the earth is taken minimum in supplying? wather it the proportional factor to getting work any equipment or a power plant?