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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Apparent power is expressed as V * I(Conjugate). Why not in V * I ?

2966

What is meant by electrical speed?

1 3072

What is the difference between induction generator and synchronous generator?

3 9991

What is the difference between solid grounding and impedance grounding?

1101

Current chopping mainly occurs in air blast circuit breaker.why?

1 11664

For high voltage and low current Circuit Breaker preferred is vacuum circuit breaker.why?

1 12022

Salient pole alternator is more stable, why?

1510

What is difference between stable and steady?

1 6797

Is there any difference of regulation of transformer, alternator , transmission line, if yes, what is it?

1 3525

can i use 10 mfd + 6 mfd instead of 15 mfd capacitor in single phase motor as running capacitor

3 5395

How to calculate impedance volt in Transformer?

1141

what are transmission line parameters and transmission line constants?

1 2400

WHAT IS THE CURRENT CARRYING CAPACITY OF 2.5/3 CORE HI TUFF CABLE,WILL IT SAFLEY CARRY 8.6 AMPS OVER 120 METRES,CAN YOU ALSO ANSWER WITH FORMULA FOR WORKINGS OUT ,THANK YOU 3RDYR APPRENTICE.

2555

why phase & neutral is use in tv? why earthing not use ?

2 3504

why wave traps are placed only at y and r phase?

3 10114


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Un-Answered Questions { Electrical Engineering }

Are Refrigerators & Deep Freezers the Inductive load ? How to calculate the Power Factor & hence the Output Power for them ?

3868


Can you any one explain application of buccholz relay operation and pressure relif device operation of power transformer

1003


HOW TO CALCULATE HV CABLE SIZING?

2065


What difference between ref protection and differential protection ?

894


How many size of cable required for a 300m long and 30kw inductive lode

500






explain comutator action in detail.thanks

1202


we have two motors 1250kW,6.6kV to be coupled on the same shaft ,so please provide assistance for their synchronisation.

1189


block diagram of 2 ups system connected in parallel mode?

1166


please tell me how a surge protector work on a DC 48Volt.? please describe briefly.

967


Show the schematic arrangement of diesel power station layout and give its principle of operation.

2075


what is the difference between electrical and electronic choke?

1068


Explain few advantages of electric traction system?

174


list the advantages of RCCB over other circuit breakers?

861


What is the settings of distance protection relay in 400 kv line

736


Why front mounted CT polarities are always towards breaker?

1055