Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Synchrounous motor is three phase motor,but its not self starting .why?

Delta Beverages, KI, L&T, NTC, TVS, Wipro,

22 49426

Clearly Define Active,Reactive,Apparant power.Which applications used which power above metioned power?

Summit Power,

9 20988

what are the basic concept to design a out door Substation?

1 6623

Why we call cable rating in SQ.mm.If it is 240 SQ.mm how much the diameter possible?is there any calculation ?

4 17134

What is mean by CT Saturate? how do we calculate?


5 9365

how to use single phase supply for a three phase equipement.

12 17209

specific gravity of a battery?

6 12058

In India which type of PLCC IS used?

Cipla, Ford, Jayashree,

2 10027

In Ferranti effect,Receiving end voltage is greater than sending voltage,why? can anybody tell me the answer

Engineers India Limited,

15 45996

how to calculate no. of earthing pits and their diamensions? no. of lightning arrester rods which are required to protect a building of 35 mtr and we calculate?

Dharampal Premchand Limited, FlowMore, Hindustan Zinc, Ispat, Maheshwary Ispat, NDDB, Siemens,

5 26027

What is Ohms law?

College School Exams Tests, KPTCL, L&T,

28 27883

how am i achived model paper to prepratio for bhel exam


2 5659

What is the meaning of TRI Vector meter?

ABB, Excel Power Switchgear,

7 29021

how to calculate knee point voltage of current transformer?

Bhel, Bhilai, Jackson,

20 149230

11kv/0.433kv, 2 mva , transformer , for protection and metering how many CT/PT are required?


24 30712

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Un-Answered Questions { Electrical Engineering }

Define what is difference between fuse and breaker?


Explain about technical and non technical losses in distribution system?


What is the reason that the humming sound is coming from the induction furnace panel?


we have an energy meter in a capacitor bank panel, So should we consider it's readings as energy consumption on daily basis. (when capacitor bank doesn't have any energy losses)


can we use NPT glands in LT panel


What is the type of feedback used in an op- amp schmitt trigger?


3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?


how give earthing conection to household equipment?


what is DRP panels?


what is reactive power?, why its measured in VA ? is it transient behavior of system?


Pls mail me utility & Dg related question with answer


what exactly commisioning work does in electrical site work... LT side?..


how to setting Load amps tripping time and extra settings for load Transformer protection relay with RMU panel using C&S model relay..?


why occ characteristics curve in not tracing back when we are bringing back the rhoestat?


what r the safety measures in UPS ? explain all?