Electrical Engineering Interview Questions
Questions Answers Views Company eMail


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

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

8 25893

What is the power factor you maintain at ur organization?

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

39 45558




How do you connect the capacitors on polyphase circuits?

L&T, Transco,

9 20185

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

Bharat Bijlee, GHPPL, Tata Motors,

3 14531

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

RRB,

7 11912

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 45834

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,

42 117557




What is meant by H.R.C fuse?

Taj Group, Gas Projects, GSCE,

39 152963

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

BSNL,

6 14416

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

UPPCL, TATA,

2 7348

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

15 30170

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

Bhel, UPPCL, NTPC,

5 24805

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 69861

How do you maintain the earthing resistance?

Birla, Ford, JLL,

12 26671


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Un-Answered Questions { Electrical Engineering }

if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?

582


Difference between On Line capacitor and Station Type capacitor.

744


We have drive feeding an output contactor for a 5000 hp motor @ 5kV application. The motor FLA is 629amps x 1.25% service factor = 786.25 amps The cable that we current have in place between the drive and the output contactor is 350kcmil- MV-105 (parallel cables). Per the NEC table 310.60 (C) (69). This show the cable ampacity is at 615 amps per cable for a rating of 1230 amps. We have derated the cable for the cable tray and the multiple cables application and our calculations show that after the correction factor factor we are at 922amps. 1230 amps x .75% correction factor factor = 922.5 amps. The customer is driving us to then use another safety factor of .25% off of the already derated cable. Can you please provide a longhand calculation for your solution on this application?

738


How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).

584


A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N

451






How to apply 'c' license and also explain what is difference between 'c' and 'b'license.i am also working in one of the private company.i have finished my diploma in 2014 .i have already finished in ITI electrician course.....

722


I Want randstand placement papers

399


Iin ESP why positive is grounded ? why not negative ?

928


What are capacitive,resistive,inductive surge absorbation? What is ferranti surge absorber? What is lagrangian cost? What is Px operator?

546


What should be the protection scheme for a 15kw, 3-phase motor working in a lathe machine.

710


Pl. give me checklist for installation & commissioning of machine tool.

922


when generator short circuit condition, the current how dissipates. or at short circuit voltage not available then current how can flow?

931


What is the previous name of Cox's Bazar

608


hello if any one have papers vof hpcl or sail, plz send me

458


Difference between shunt, PMG and AREP excitation. Which is the most reliable between PMG and AREP.

6536