Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why is a plain induction motor unsuitable for wide speed control?

1808

Distinguish between neutral earthing and equipment earthing?

7 27465

whis is the formula of converting KW into HP ?

14 28558

how to calculate compresor capacity?

1659

What is the "IS" for Rising Main?

APTransco, NTPC,

1 4690

Which type of drive is advantageous AC or DC and why?

5 5548

parallel operation for tansformer which condition fill fil for that

ITC Infotech, Suzlon,

11 9908

how power trnafor from 1 point to another point in bus bar ya transmission line( voltage trnasfer from 1 point to another poin)

Suzlon,

1481

Why the wave trap is put in Y phse only in switchyard?why not in other phases?

IAG Automation, REL,

1 6967

What is switching over voltage?

MEIL,

1 5475

what should be distance between two electrical earthing pit as per i.e.e

Badve,

13 95910

1-What is the difference between absorption factor and polarization factor in insulation resistance test in transformers? and why we inject until ten minutes to get polarization factor?

1 5722

2- What are the percentages between excitation currents in phase (R, S and T) in ∆ and Ỵ connections in excitation Current test in transformers?

1578

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

1378

4-Why we measure the insulation resistance of main core and frame in spite of that must be connected with ground before energize the transformer?

3 9961


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Un-Answered Questions { Electrical Engineering }

What is q factor?

656


1 hp is equal to how much watt?

703


What is slope...? Explain slope 1 and slope 2...?

1066


are there rmu for 3 transformer?

1411


what is the difference between the voltage of 5 volts capacitor and and 5volts battery?

1440






what is smartµ grid technology?under coal gassification?

1502


How is the resonant peak, resonant frequency, and bandwidth determined from nichols chart?

647


difference between main metering kiosk and check metering kiosk

2316


i completed my DEEE. and i want to electrical c license. how to get it..?

1684


A cable with concentric PE conductor must be used with frequency converter circuits what does its means.?

1108


how to select fuse rating for a 3-phase motor ???

1331


What is online and offline ups? how does it works?

1606


how to find the Motor,s insulation Power?

1197


is that any software calculator to calculate the size of cable

1850


What conditions are required for transformer to operate at low frequencies ?

1510