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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 9901

what is the difference between KW and KVA?

 15 63109

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

 3 6189

why transformer rating in kva ?

Eltel, RRB,

14 18543

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

 7 13591

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 8733

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

14 21731

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 42424

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

Anchor, CIL, ETA, Kirloskar,

13 65257

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,

1390

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

Bhel,

1375

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 23476

What is the difference between Neutral and Earth

Bhel,

6 8498

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

Pepsi,

6 10666

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

Adhunik, BPCL Bharat Petroleum, Hiecon, TATA,

10 29157

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Un-Answered Questions { Electrical Engineering }

i want to know how to determine that a surge arrester work properly in 11kv system. and how to test a 12kv surge arrester

1507

how to interlock 3 incomer-ACB,1 buscoupler ACB,... pls answer this question and if possible send me the ckt diagram..haifriends2910@gmail.com

2112

how can i apilly for electrical c licencese.sir,i completed B.Tech in electrical & electronics engineering in 201onot working any company

1251

What is the feedback in the control system?

448

please send me last 5 year interview questions

1453




How much minimum insulation required between 11kv/3.3kv transformer windings?

1774

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?????

1065

What is installed in PAC that is control the humidity

884

Generation of voltage for each phase are same of a turbogenerator.Although the short circuit current flow when two phase of turbogenerator are shorted(where current can't flow without potential difference),why?

1476

how to calculate mf when meter and cTPT detail are given

1151

HOW WE CHOOSE EARTH'S POTENTIAL AS ZERO V?

1424

Explain and give examples about VCB?

2687

for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?

359

i applied for the ap transco please forward the freqventley asked QA

1353

Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB

2093

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