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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 68203

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 101290

How do you connect the capacitors on polyphase circuits?

L&T, Transco,

10 53069

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

Bharat Bijlee, GHPPL, Tata Motors,

4 37087

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

RRB,

7 35758

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 79112

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 178447

What is meant by H.R.C fuse?

Gas Projects, GSCE, Taj Group,

40 203824

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

BSNL,

7 38436

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

TATA, UPPCL,

3 26618

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

16 61811

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

Bhel, NTPC, UPPCL,

5 48420

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 112144

How do you maintain the earthing resistance?

Birla, Ford, JLL,

13 59406


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

State nyquist stability criterion.

1126


Please provided formula for calculate the cable size from step up transformer to M.V panel, run overhead aluminum cables, total load is 5mega watt, total length 900 feet.

1711


what is the breaking capacity and making capacity of circuit breaker and how

2078


During Testing of Maintenance Free Earthing, How deep should be the Spikes of Earth Test Meter should be inserted in the soil(one spike is 15 Meter & Other spike is 30 Mtrs away from the Main Earth Electrode. Because, recently, we observed that when spike is inserted 3-4 Inch in the earth- results are better, If spike is inserted 1 feet deep than results are increasing.

1900


What is resolver and glass scale in CNC how they work?

2242


If the feeder rating is 7.5 kw or 10 HP star-delta feeder, MCCB is taken as 63 a, contactors-32 a, how much will be the OLR rating or which range OLR should be considered when we concern about type-2 coordination?

2274


How capacitor improves pf

1660


defination of transistor controlled series capacitor

2601


can I improve the furnace power factor (10 mva transformer) by adding a capacitor bank before the transformer.Does system power factor vary a lot with the furnace PF?

2008


What type of DC motor would you see for a lift?

1055


What current flows in the transformer primary when its secondary is open?

1177


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

1671


What is grid collapse? what is the reason for it?

2064


how invertor convert the dc into ac give brif detail

2093


Power Factor Correction Panel (Manual & Automatic)

2165