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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,

23 57969

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

Summit Power,

9 23385

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

1 7421

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

4 18520

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

ABC,

5 11229

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

12 20499

specific gravity of a battery?

6 13783

In India which type of PLCC IS used?

Cipla, Ford, Jayashree,

2 11228

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

Engineers India Limited,

15 50669

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 28472

What is Ohms law?

College School Exams Tests, KPTCL, L&T,

28 34742

how am i achived model paper to prepratio for bhel exam

Bhel,

2 6701

What is the meaning of TRI Vector meter?

ABB, Excel Power Switchgear,

7 31475

how to calculate knee point voltage of current transformer?

Bhel, Bhilai, Jackson,

21 156845

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

Bhilai,

24 36451


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

3phase cable calculation formula by motor load

1473


Good day everyone,currently in our premise we using 30kw slip ring motor with resistance bank which we use as forward and reverse at conveyor bar handling. So,my question is how do we calculate the resistance bank which is suit the motor. Kindly,assist me... thank you

1671


what is the safty of poly phase tranformer?

2085


What is meant by reactance voltage?

1080


71ohm,111ohm,95ohm,179ohm in calculate the total ohm in series circuit

1634


How much voltage we need to apply in 33kv cable during hipot test of cable

821


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

4990


we have a 2.5hp Starite electric motor water pump,the elec motor burned out,we need to replace starting capacitor(old capacitor specs erased),what microfarad rating capacitor do we need? 110-125V

1828


what is the chiller and working principal

2289


what is the use of sdf?

2063


What is critical disruptive voltage?

1286


What will be result if we connect LT votage to the terminal of HT motor?

2102


What is vacuum circuit breaker.define with cause and where be use it device?

1257


While testing LA mast,What are the parameter limits ?

1868


Define corner frequency?

1159