Electrical Engineering Interview Questions
Questions Answers Views Company eMail


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

Bhel, JLL, MNC, HPL, Lemon Tree, Tata Power, TATA, Torrent Pharma, IOCL, Core Consultants,

8 22704

What is the power factor you maintain at ur organization?

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

39 43093




How do you connect the capacitors on polyphase circuits?

L&T, Transco,

9 17940

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

Bharat Bijlee, GHPPL,

3 13371

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

RRB,

6 10751

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

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

7 42910

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

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

41 113457




What is meant by H.R.C fuse?

Taj Group, Gas Projects, GSCE,

39 149352

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

BSNL,

6 13262

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

UPPCL, TATA,

2 6571

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

15 28703

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

Bhel, UPPCL, NTPC,

5 23547

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

TATA, Pharma, TAAT, Jindal,

20 65871

How do you maintain the earthing resistance?

Birla, Ford, JLL,

11 24832


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Un-Answered Questions { Electrical Engineering }

Is it possible to connect a safety device in to parallel?

653


How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.

522


What should be setting for alarm,tripping and cooling fan on for power transformer's oil temp. and winding temp. indicator?

563


Alternator rotor earth fault relay circuit

573


What are the classifications of heating element?

622


Good day everyone,currently in our premise we using 30kw slip ring motor with resistance bank which we use as forward and reverse at conveyor bar handling. So,my question is how do we calculate the resistance bank which is suit the motor. Kindly,assist me... thank you

285


for 11KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV UG system what will be typical per KM "R" "L" "C" parameter.

859


how many joint can done in HT line and what is life of the joint

712


what is the difference between the voltage of 5 volts capacitor and and 5volts battery?

559


Tell me about ur past electrical maintanence job

576


how circuit breaker work.. what is the operations taking place inside a circuit breaker when an overcurrent occurs... is it similar to fuse?

634


What are the factors influence the choice of an electrc drive?

630


How I can Compare 120v/60Hz versus 220v/50Hz ? Please tell me both advantage and disadvantage ......

609


what is the main difference between power devices and signal devices

781


What is process of anneling transformer core

464