Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the rating of your capacitor bank at your company.

Sterling, Apollo, Cisco, Government, ATC, CBRE, Victory, Reliance, Amara Raja, Amol Electricals, Ajnara Group, JLL, MEIL, Torrent Pharma,

26 34464

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

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

7 18805

What is the power factor you maintain at ur organization?

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

39 39071




How do you connect the capacitors on polyphase circuits?

L&T, Transco,

9 14104

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

Bharat Bijlee,

2 11323

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

RRB,

5 9186

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 38082

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,

39 104729




What is meant by H.R.C fuse?

Taj Group, Gas Projects, GSCE,

39 143140

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

6 11546

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

UPPCL, TATA,

1 5513

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

15 26093

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

Bhel, UPPCL,

5 21112

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 59157

How do you maintain the earthing resistance?

Birla, Ford, JLL,

11 21957


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Un-Answered Questions { Electrical Engineering }

why we used dc supply for field in dg set

795


List out the the types of Mounting Light fixture?

234


why output is out of phase in case of common emitter?

661


what's the exact magnitude of current, flows through Neutral?

516


what is the difference between 4pole & 6pole DC Motors & give advantage ?

432


what is cathodic protaction?

414


how to calculate the formula of cable size if motor kw is given

674


What is the simplest formula to calculate the rotor diameter of a synchronous generator?

573


how to select the double earth conductor if 21A full load?

547


Why we are going for converter transformers for DC drives application instead of distribution transformer?

546


A 100 kVA , 400 v/250 kv testing transformer has 8% leakage reactance and resistance on 100 KVA base . A cable has to be tested at 500 kv using the above transformer as a resonant transformer at 50 hz . if the charging current of the cable at 500 kv is 0.4 A find the series inductance required . Assume 2% resistance for the inductor to be used and the connecting leads . Neglect dielectric loss of hte cable . what will be the input voltage to the transformer ?

1342


ii) A shunt motor supplied at 230V, runs at 900 rpm when the current is 30A. The resistance of the armature is 0.4 ohms. Calculate the resistance required in series with the armature to reduce the speed to 600 rpm, assuming that the armature current is then 20A. [12]

499


Dear all, I want to use Induction motor to open and close a 1 ton door. How much power do I need. Thanks

431


what is the transiant condition in alternator? and how it can be prevanted?

418


How can we select suitable capacity generator for three phase load (inductive load) and how to take study analysis in 3 three phase load system ?

616