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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is value of earth resistance required for substation and equipment earthing and what are the reference guidelines

Glenmark,

861

What kind of Neutral CT can be placed in 11/0.433KV transformer to be used and what are its specification?

891

Dear all,recently in our plant we installed a conveyor for this the motor ratings are 5 hp and Amps 7.39.Due to on urgent starting of conveyor we fix the DOL starter with range of 9-15 amps.give me suggestion regarding on this issue

1 1092

What are the questions asked in PRDC pool campus test?(bangalore)

PRDC,

1 1995

I am experienced with house and industrial wiring but I don't have any licence how can I apply an licence and which type of licence i can get i didn't complete deee just only experience

Future Electrical,

844

what happend to DC shunt motor if its field winding insulation becomes slightly weak? will that motor can run on full load or not explain in detail. thanks

PCL,

775

What is formula calculation size cable wire ?

1034

What is power in wattage of 8.5 TR AC

791

How to test REF relay testing for LV panel as per Kahramaa standard?

2477

before transformer oil dielectric strenght tests are taken the oil should be allowed to settle to remove option 1 air bubbles 2 gasses 3 contamination 4 water

694

What happened when voltage will half value of current ...

SCL,

733

Why 11kv to be generated in generation station

TNEB Tamil Nadu Electricity Board,

854

What do you mean by Stimulastion Test in Diesel Genarator / Why & when it's conducted ?

JLL,

822

3phase motor can be used as a Prime mover for alternator.

782

what is a speed of rotor when we give supply to stator of 50hz and as well as rotor of 60hz of an induction motor?????

855


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Un-Answered Questions { Electrical Engineering }

EXPLAIN THE TERMS "INTEREST AND DEPRECIATION" AS APPLIED TO ECONOMICS OF POWER GENERATION.

1313


What is the difference between AC and DC injection methods for rotor earth fault protection

1278


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

3940


how oil in the MOCB was reduced compared with OCB? what are the features of the MOCB?

1919


i need mat lab program to find out the transmission line losses,regulation and losses

1054






how to find out 3 phase complex power in per unit in unbalanced system?

1186


what is the disadvantages of common earthing for AC and DC equipment? (i am talking about inverter control room and inverter duty transformer earthing is common...?)

777


For a stable system, where should the poles of a system be in a root loci plot?

243


What is synchro?

246


at what basis/standard we have to arrive the current density of aluminium/ copper in busbar?

1152


anyone please send transformer parameter design formulas & details of tap changer ? plz i have interview this week its more helpful for me ?

1049


why the neutral line is not giving shock to us if we touch it ?

936


Why syn. Generators are used for the production of electricity?

240


What are the three major categories of error?

246


hi friend i am going too attend for hpcl in this month please help me by sending written test question papers i am in the stream of E.E.E

1159