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,

7 21548

What is the power factor you maintain at ur organization?

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

39 41912




How do you connect the capacitors on polyphase circuits?

L&T, Transco,

9 16673

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

Bharat Bijlee, GHPPL,

2 12740

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

RRB,

5 10269

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 41540

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,

39 110976




What is meant by H.R.C fuse?

Taj Group, Gas Projects, GSCE,

39 147460

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

6 12737

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

UPPCL, TATA,

1 6159

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

15 27933

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

Bhel, UPPCL, NTPC,

5 22902

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 64116

How do you maintain the earthing resistance?

Birla, Ford, JLL,

11 24020


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Un-Answered Questions { Electrical Engineering }

can u tell me the promotion from oiller to enginer

459


what is the maximim current drawn by 1 phase and three phase welding machine

537


1.WHAT IS A SMART CAPABLE DB ( DISTRIBUTION BOX) ? 2. HOW TO DECIDE THE TYPE OF DB TO BE USED ( RECESSED/ PLUG TYPE/ SMART ETC ETC? 3. WHAT IS MILLENEUM BUS BAR USED IN DB? 4.DIFFERENTIATE MCCB AND MCB.

463


In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)

248


what happen if the load connected to the induction motor is taken away? the same question for synchoronous generator in synch i think that the the exitation voltage will appear on the terminal only if so plz answer me

630


why booster transformer is used in sumpners test conducted on transformer????

1666


Why 15Amp. MCB is suitable to carry load of 1.5Ton Ac please Explain?

709


Hi guys! Plz help me to answer the following questions. 1. What are the types of transmission line energy losses? 2. Why are the VLF are used some types of services? 3. What frequencies are used for reliable beyond the horizon terrestrial communication without repeaters? 4. To permit selection of 1 out 16 equi-probable, what is the number of bitis required? 5. What is the most common modulation used for telegraphy? 6. What is the multiplexing is used to increase the capacity of the optic fiber? Thanks

715


determine two methods to find loose connection in operational electrical system?

352


How to justify this statement ??? "Capacitors in series provide less capacitance but higher voltage breakdown rating for the combination"

519


how many current required for hypo test

476


TELL ME WHAT IS INDUCTOR AND CAPACITOR WHAT IS IT BASIC OPERATION ANDFUNCTION?

639


What is mean 2XWY

456


What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.

772


What difference between ref protection and differential protection ?

329