Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What products have you designed which have entered high volume production?


What was your role in the silicon evaluation/product ramp? What tools did you use?


If not into production, how far did you follow the design and why did not you see it into production?

Bharti, Havells,


what is the reason of power development in synchronous generator due to saliency ?

1 4985

How is a 100 MVA transformer cooled?

9 15340

What are the main Electrical IS rules?

3 6579

when we increase load , current drawn from source also increases why ?

5 15214

what is the difference between earth and neutral?

HCL, Emerson, Bhel, L&T, TVS, Siemens, JLL,

56 112759

What is thyristor?

13 16092

What are the technical reasons for soaking transformers for various times before allowing them to pick load after a fault ?


3 28176

what is the instataneous value of voltage in a 3-phase balanced star connected circuit?

6 7397

At which conditions a synchronous motor acts as a synchronous condenser?


9 17729

What is the power ratio between power in Star and Delta circuit?

ST Micro,

11 32028

For an 100kw generator, only 50kw of load is connected. will the generator generate only 50kw or 100kw. if it generate 100kw what happens to rest of the 50kw. what happens if we connect more than 100kw of load?

8 13436

In a synchronous motor armature current flows due to revolving flux which in turn rotates the load,but in no load condition armature current is zero hence thr is no revolving flux then how motor rotates?

9 9034

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Un-Answered Questions { Electrical Engineering }

why power not passes in plastic and rubber material


How can get elongation of 2 k.G aluminium, if elongated aluminium dia is 2.5 mm?


What is mean by Sensitive Earth fault & what are the effects


hi frds, i m electrical engineer.can i get cdr for electrical engineer if u have then send me on my mail id its jayesh_ee88@yahoo.com.please help me frds


While HT line put on to activate ACB in low tention panel VCB tripping instantly.why it happens


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


How can claculate to attain the desired PF in the line ( HOW Much KVAR is required ) Pls Give the formula? Equate Petrochemical 0 1 how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec. 0 1 What will happened. if we feed 3phase supplay to the stater with out insert the rotor. How much current will flow through the stater winnding? Equate Petrochemical 0 1 What is required of exietation to the alternater. 0 1 why star point of HT motor not earthed? Equate Petrochemical 0 1 Why we are getting low voltage in star connection? Equate Petrochemical 0 2 What's ND relay & it's functions? Equate Petrochemical 0 2 How instantanious short circuit current is calculated? its formula? Equate Petrochemical 0 2 What is servo Motor? What's the advantages of this motor over Induction motor? Equate Petrochemical 0 2 What is core CT & it's function? Equate Petrochemical 0 3 what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY L & T 0 4 What is required of exietation to the alternater. KNB 1 23 what is the design voltage for 6.6KV 2000 KVAR HT capacitor? Consultancy 0 3 Pls explain about vfd control?Where it is used, Give some example? siemens 1 22 Please explain me abt PQ diagaram in the power sector. 0 9


whate is the meaning of balance/unbalance,in stabilizers type


pls tel me the electric train traction motors name plate details like rpm,torue,voltage,amps,watts..ect..


what is the transiant condition in alternator? and how it can be prevanted?


how many testing is necessary for 27 MVA transformer?




What safety precaution are to be taken for avoiding electric hazards ?


What are differences between Voltage, EMF & Potential difference ?


how to meas-our losses for L.T & H.T