Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why we choose 400kv,220kv,132kv,66kv,33kv transmission voltages for transmitting power. Why not other voltage levels.

HCL, Jaypee, JPMorgan Chase, College School Exams Tests, HC,

21 44325

DIFFERANCE BETWEEN function of ELCB? function of rccb? function of mccb? function of acb? function of mcb?

MacAir, Sajas,

4 9514

what are the sample questions asking to the test cunducting for electrical superwising lisence test?

APTransco,

677




i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400

759

Why efficiency of generator is higher than motor at a particular load?

862

Why capacitor bank does not require in DG Set?

IBM,

21 42652

define regulation

3 3627

33kv Rated output avilable in market (any where in india)

C2C,

864




RESPECCTED SIR/MADAM- I AM PRERING FOR SECTION ENGINEER (ELECTRICAL) RRB CHANDIGARH PLEASE SEND ME SOME PREVIOUS YEAR QUESTION PAPER OR MODEL PAPER.MY EXAM IS ON (30- NOVEMBER 2008).I AM VERY THANKFUL TO YOU. FROM- HARENDRA SINGH YADAV

781

can three phase induction motor rotate with only 2 phases connected

Suntron, Mannar Company, Delta,

22 38391

difference b/w eath and neutral

ABB,

10 7591

Can you tell me more about pu systems (per unit systems )calculation in large power systems? how to get the base for voltage and power in generator, transformator and transmission lines?

1039

What the methode get earth resistance?

2 2836

what is difference between induction motor&servo motor.what r types of servo motor?how it works?

1 1913

how do we calculate of transformer in va?what is calculation?

2 9759


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Un-Answered Questions { Electrical Engineering }

How to test the Secure Elite 440 Multi function meter working condition.

778


how we provide neutral earth on synchronising panel as per electrical standards?

764


As per the Anchor capstan motor specification, full load current is 200A. starting current is 1750 A and acceleration time is less than 8 seconds. Please guide for selection of cable size.

666


how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?

754


Distinguish between nuclear power station with thermal power station for initial cost, starting period, cleanliness, and transportation of fuel

745






In single phase ac ups supply when current is measured with tong tester neutral current is found more than phase current.What is the reason?

758


hwat type of motor is used in thermal gas turbine hydro nuclear power plants and why

714


What happent when a AC motor(no break and starters ) stop and suddenly start . ? Starting current low or high?? Why?

214


why would amp draw on neutral wire be as much as amp draw on the hot leg.

760


we need a ntpc previous papers

674


A 3 phase transformer's (Y-Y) Y and B phase is (Y and B connection not broken) broken from neutral and R and Nutral connection is ok, what will be the relay tripping and why

651


what are the pecularity of shaver sockets ?

673


In control room of our one plant there is a continuously the incoming power goes to PC is vary,means in stabilizer it continuously indicate from high input to low and low input to high. what is the reason and its solution.

707


What will happen if i replace a inductive proximity switch with photo sensor in a machine?

607


How earthing of switchgear system to be done.

626