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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why DC current not used in Transformer action?

Engineers India Limited,

17 15524

What is the difference between AC Drives and DC Drives?

College School Exams Tests, La-Gajjar Machineries, LG, Schneider, SMEL,

14 87651

WHAT IS THE MEANING OF BALANCED / UNBALANCED IN STABILIZER TYPES.

1541

where we use zero sequence current transformer or core balancing ct.

2 11976

how does relay works?

16 12100

how to calculate the KVAr for an motor for improving the PF

3 16266

Explain how Hormonics will effect the Electrical System?

5 8873

what is the use of neutral?

IOCL,

14 15505

What is the difference between Earthing and Neutral?

13 20835

What is the difference between "Earthing" and "Neutral"?

Power Grid,

10 11047

What will happen if we parallel two transformer with different %impedace?

3 5808

what is the meaning of servo motor. In trains, what type of the motors we are using at the bottom of each compartment

5 6850

why a pure inductive circuit has zero power output?

8 14802

1. Why a DC motor starter is called 3 point starter

ABB, CG, College School Exams Tests, Crompton Greaves, Infosys, Siva,

21 68734

Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.

TATA,

1220


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Un-Answered Questions { Electrical Engineering }

Mention how NPN and PNP transistor works?

264


How many types of colling system it trformers?

263


what's the difference between abs/inc encoders. apart from the position remembrance what are all the other differences. and what's mean by grey code.

1140


What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?

1064


could an induction motor be used for regenerative braking in electric-train control? in this type of application would some scheme have to be devised to obtain low synchronous speeds while braking? would induction-motor drive, therefore, be suitable for passenger service?

1187






a governer in an Ic engine controls the

274


what is the common earth

239


what happen ehen synchronisation is done at below rated speed

1159


what is draiv work

1015


If there is no problem with the electronic circuit and regulator then why the motor start rotating at low value of regulator with full speed both at laod and no load??? and if my judgement of circuit is wrong then what is your openion?

1186


How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

1128


is it possible to have dc motors on single chip

966


why fractional pitch winding generally used in alternators?

1992


I want formula to calculate cable size as per load given in length & amp. I searched many sites but didn't right answer. Please reply me asap.

668


give me atleast four differences between circuit and network

1295