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Electrical Engineering Interview Questions
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ALL HT /LT PANEL TEST? DISCRIPTION.

Essar,

25635

DIFFERNCE BETWEEN DCS AND PLC? HOW IT WORKS?

Essar,

1404

How much duration I can keep open the CT if it is under loading condition(100 Amp load)?

Infosys, NTPC, Suzlon,

3 5533

How to reduce the static electricity producing in solvent room? By P.D.Patil BioCon

Biocon,

1567

During a temperature rise test of a bus duct, it is fed with 415 volts at 2000 amperes. Why dont we get an electric shock if we touch the bus bars?

ABB, SDBL,

7 12529

how to calculate circuit breaker capacity

Siemens,

6 72772

what is the difference betweem star connected motor & delta connected motor?

 13 90258

what is the CT of protection and CT of metering ? what is class 5P10 & 5P20 and class PS ?

JEE Main, ONGC, VRA,

16 125087

it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?

TATA,

1541

can v rotate single phase induction motor in both the direction...?

 1 3967

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

 1603

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

 1507

how can i select the cable ratings

 4 5328

i want to model paper for section engg.

Infosys, RRB,

1553

what is the diffrance between earthing and grounding...?

Essar,

6 9072

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Un-Answered Questions { Electrical Engineering }

how we provide neutral earth on synchronising panel as per electrical standards?

1584

Dear sir my name Ankit i m Diploma holder present working in Welspun Corp ltd Anjar as Asst.engg (salary 14400/month ctc) i Would like to change my company also i have selected in ford India pvt ltd Sanand as trainee Tech with salary 12000/month so please suggest me for changing my job hope for *ve response

2410

either water sensor or flow meter,how we observe the water level, f any other equipment are in market ?

1406

how can we understand that where we have to use ac or dc coil for solenoid valve and why?what is the different between coil of ac and dc explain please.

1483

Benifits of 3ph 4 wire metering over 3ph 3 wire

2000




what is through fault?

1751

PLZ EXPLAIN CORONA,SKIN,BIRD PALE,SPAN,SAG Effects of power cable.

1520

What is a system?

677

What if high voltage side circuit breaker of a ehv transformer instead of lvcb? Kindly elaborate.

1310

xfhnchncv?

1398

What are IP protections used for electrical panels, JB, equipments installed in explosive zones like Petrochemicals, Oil & gas

1205

what is the formula for computing cable tray size & capacity

1702

Why CBCT rating is 50/1A

2310

What is Harmonics how it is produced and what is the method to control the same

1755

oltc of a transformer, how it works? and what are the equipment consist of describe briefly?

1562

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