Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

HOW TO DESIGN THE body EARTH cable(Copper Conductor) size for 60KVA UPS?

ANZ,

2001

How to measure the earth resistance value in a concrete pavement(flood light area)?

ANZ, Watt,

2224

What kinds of decision are made about CT from it's Knee point(voltage & current)?

2 5089

Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?

1831

what is difference between cpp electrical system and refinery electrical system

2305

What is the GNA & MNA in armature reaction of Dc Generator

Khetan,

2 22864

what is practical efficiency of power transformer..?

1 4626

how to convert single phase supply to 3 phase or 3 phase to single..?

Wipro,

7 9866

What is the difference between earth fault protection of motor feeder with CBCT and Without CBCT ?

Enmas, Michelin, Reliance,

2935

I got shortlisted in RRB thiruvananthapuram for the post of Junior Electrical engineer, waiting List - 7. i want to know about the validity of the current list and chance to get the job please help anybody knws abt it,, thank you

1 4146

one 60KVA UPS how can full load current tell me us formulas

Wipro,

1 4246

one split ac how can told of this ac which Tr tell me us

Wipro,

2034

What is the theoretical reason for the size of a zig zag grounding transformer to be 1.732 times less than that of a wye-delta grounding transformer used for the same application?

2284

what are the merits and demerits of synchronous motor over an induction motor...??

NTPC,

5 10159

what is brushless generator.How does work it..??

NTPC,

3 9096

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Which are resistive loads & which one are inductive loads : Refrigerator, Split air conditioner, ceiling fans, well pump, fluoresecent bulbs, T.V, CRT Monitors, Adsl Routers, C.P.U, Printers, Deep Freezers, Speakers, DVD Players, Microwave oven etc. ? Output Power for these Appliances Would be same like this : P = V * A * P.F Or would be changed ? thanks

3965

Cables Construction hi friends, 0.6/1/1.2 kV LV , DC and Control cables are concentric copper conductor what does its means and what is the use of concentric copper conductor,and are this with copper tape shield or copper screening, ? thanks

1768

what is the function of capacitor duty contactor in an capacitor panel???

4151

what is laser diodes?

1165

How much dc volt applied in cathodic protection system?

2331

how to select proper cable for ct wiring so that drop within the limit.

1980

explain which quantities change in the starting and the and the running condition in induction motor

1443

can anyone explain 11kV 3core cable megger,hi pot test procedure with connection details?

3276

What is the voltage gain or transfer function of amplifier?

1144

Dear Brother can u tell the proper size selection of cable & the fault level calculation of braker, busbar etc. pls mail me at azeemk30@gmail.com

1933

what is the power factor used by the PHCN in nigeria? 2. what is the difference between an alternator and generator. 3. Generation of poweris in KV but how is transmission is in MW. 4.If the transmission of power is 20,000MW how can it be increaesed to 80,000MW

8622

Which capacitor is preferred for high voltage and frequency?

1085

whatis the commertial spec. of distribution boards ?

2076

A power transformer 4MVA/11KV/0.415Kv has been out of use in 12years. what maintenance actions/test need to be carried out before energizing.

1321

what are factors to be consider to design a HT & LT motor?

2324

For More Un-Answered { Electrical Engineering } Questions Click Here