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,

22 22056

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

Bhel, JLL, MNC, HPL, Lemon Tree, Tata Power,

6 11752

What is the power factor you maintain at ur organization?

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

37 31001

How do you connect the capacitors on polyphase circuits?

7 7621

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

Bharat Bijlee,

2 7508

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

RRB,

5 5953

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,

7 28890

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 87144

What is meant by H.R.C fuse?

Taj Group, Gas Projects, GSCE,

37 131979

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

6 7988

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

1 3593

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

14 21093

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

Bhel,

5 16563

What should be the earthing resistance of an industrial substation and also What should be the house hold earthing resistance?

TATA, Pharma, TAAT,

20 47337

How do you maintain the earthing resistance?

Birla,

10 17072


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Un-Answered Questions { Electrical Engineering }

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..............

362


I have 480V Single phase and I am trying to figure how big of a transformer (KVA's) and Primary breaker size I need to provide 200 Amps at 240V for a building.

467


how commomn gate triggering is given for TRIAC ? other thyristor wont be efffected?

729


I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com

377


defination of transistor controlled series capacitor

657


WHAT IS SUBSTATION & ACCORDING TO VOLTAGE HT,EHT SUBSTATION EXPLAIN IT

750


is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

526


The loads are connected with phase and ground then why current flow as the loads ?

388


what is mind in cable

445


which connection is safer series or parallel?usually which connection we prefer at home?

4306


what are the applications of TIG welding

102


Why space heater is required for each verical bus bar chamber? if one space heater is adequate or not for anti condensation?

866


how to decide no of electrodes for 1600A LT Main incomer panel

151


WHAT IS MEANT BY INSULATION CLEARANCE IN VACCUM?

453


i want wipro vlsi placement pattern please send me

263