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 21558

What is the power factor you maintain at ur organization?

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

39 41924




How do you connect the capacitors on polyphase circuits?

L&T, Transco,

9 16684

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

Bharat Bijlee, GHPPL,

2 12747

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

RRB,

5 10277

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 41545

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 110997




What is meant by H.R.C fuse?

Taj Group, Gas Projects, GSCE,

39 147477

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

6 12746

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

UPPCL, TATA,

1 6161

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

15 27953

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

Bhel, UPPCL, NTPC,

5 22908

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 64131

How do you maintain the earthing resistance?

Birla, Ford, JLL,

11 24028


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Un-Answered Questions { Electrical Engineering }

How to calculate wire length,size & current? ( related to control panel)

619


What is the meaning of Insulation H for transformers????

665


what are the assumptions made in swineburne's test?

637


what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?

804


what is the value of combined earthing in general electrical circiut?

546


What is the source of dependent source ?

469


direction of tarbine& genrator

652


Why and when NGR panel required. Is it necessary to design a NGR panel for a 6.6kV Alternator paralleling with Grid????

1233


what are the 4 rules to start the motor?

729


Can we use Ccapacitive voltage transformer directly for metering purpose?

105


Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . y d.c series motor in train.train wheels r driven by D.C shunt motor ,at what voltage,and at what speed. please reply..............

488


how does the rotating m.m.f is produced in the 3-phase induction motor and how the poles are created in 3-phase induction motor ?

1336


Is it a better option to procure screw type air compressor rather than reciprocating air compressor?If so, what is the reason?How should we select an air compressor(100 CFM)? Please mention the important parameters of air compressor.

608


what is the relationship between current&voltage in practical purpose ?

2613


why we r not earthed Control cable of C.T. terminals

505