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Electrical Engineering Interview Questions
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HOW TO CALCULATE THE CABLE SIZE FOR POWER CABLE, CONTROL CABLE AND INSTRUMENT CABLE

CA,

2 10259

what is the difference between KW and KVA?

 15 64713

how do find power factor in practically and what it means?

 3 6579

why transformer rating in kva ?

Eltel, RRB,

14 20069

Why the transformer rating is denoted in VA rating why not in KW

 7 14352

what are the types used for alternator earthing,what will happen if more than two alternator is working in parallel with each having own system earthing.is there any possibility for circulating current in between two system.

BEL,

3 9305

What is the reactive power and how to control the reactive power in power plant

14 23218

Why we should use delta connection in primary and star connection in an distribution transformer, which converts 400v a.c. voltage to 33kv.

ABC, Kirloskar, Sify,

15 44184

What is the difference between CRNO and CRGO in an transformer and what is the advantages of these two.

Anchor, CIL, ETA, Kirloskar,

13 68482

sir iam from electrical and electronics branch ,can i appear for the hpcl offline requirtment? if yes please mail me on vikram_raju25@yahoo.co.in

HPCL,

1539

i want bhel placement paper for electrical if anybody having pl send to my id kavitha867@myway.com immediately

Bhel,

1548

in india,we use 230V,50 Hz,whereas many other countries use 110V,60Hz.what r d advs and disadvantages of each of them?

 11 24745

What is the difference between Neutral and Earth

Bhel,

6 9259

How do you select a cable size(cu and Al) for a particular load

Pepsi,

6 11455

How do you select a cable size(Cu&Al) for a particular load

Adhunik, BPCL Bharat Petroleum, Hiecon, TATA,

10 30510

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Un-Answered Questions { Electrical Engineering }

how is calculated the quantity of weight in hot test xlpe?

1993

What is the classification of hydro projects based on installed capacity?

675

explain different types of d.c motors?

703

What are the basic & Majour problems in UPS ?

1590

How does PLC work for sychronising of Two or more DG sets?

1630




How to operate a ac chilar plant?

1947

Can 33kva/415v transformer be run underground? If the answer is yes why and if the answer is no why?

1167

If any HVDC line is going with positive & negative(the negative usually have return path of current with earthing electrode). Now the question is if this HVDC earthed electrode which is using as return path and earthed any nearby 400kv or 220kv AC substation equipments. which will be the impact of this on AC substation & its equipment, how severe may be this and what should be the minimum distance require between HVDC earthed electrode and AC substation equipments? It's really an high engineering level question...Dare to answer and increase your knowledge.

1463

How to minimize the eddy current losses?

629

Please tell me the formulaes while designing a substation for power Calculations in designing a 33 KV Substation?????

1368

what is star delta starter? how it works? give its control and power diagram.

1603

Please define ohm’s law for a.c (alternating current)?

629

How to maintain ac plant?

1508

during installation time of transformer and alternator which points we have to observed?

1481

we have amp, voltage, kw, length detail then how to calculte copper & alluminium size of conductor of 3-phase induction motor

945

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