Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what phase and neutral.

HP,

3 7369

why used in starter in tube ligtht circuit.

College School Exams Tests, HP,

4 9602

Why used in layer by layer charcoal and salt used in earth pits.

CESC, HP,

11 71855

1. how much normal earth resistance in earth pits(neutral and body earth) and transformer neutral and body earth & panel earth.

HP, Malladi Drugs and Pharmaceuticals, Pearl Engineering, PL,

12 100606

how much UPS neutral erath leakage current.

HP,

3738

Two 11 kv lines are feeding to common bus in a substation,I have one set of CT & PT(3ct,2pt), How can I measure both lines power using single set.

L&T,

6 12099

How do determine the Size of a Droop Current Transfomer for Paralleling of Two Generators, Say I need a Droop Current transformer for a 600 kW generator need to be parallel with a 800 kW generator, etc.

JK Cement, MPPGCL Madhya Pradesh Power Generating Company Ltd, PNG Power,

2 11771

I have installed capacitor bank at secondary transformer. cos phi is increase. but on load (far from transormer), it still poor. Can anybody explain it??

6 13300

What happen if LV supply is fed to a HT motor?

ITC Infotech, Jindal,

19 47413

What type of DC Generator is used for Arc Welding purposes?

CPCL, Rubicon,

7 39719

Wat wil happen if Transformer is operated at 100 HZ Frequency?

8 21048

What is the amount of no load current of 630 kVA tranformer voltage ratio 11kV/440V ?

13 26400

what is R Core Transformer. how it differs from normal transformers. dont search in net and post the answer.

2103

when we connect a CT in the line will there be any loses in the line due to the mutual inductance of the CT.

1 4025

What is the difference between short circuit and overload currents?

IIIT,

14 63242

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Un-Answered Questions { Electrical Engineering }

Which cable is use for rtcc control panel

1775

What is the need for a controller?

1226

what material is the electrical housing wire made of? is there any difference for the telephone lines?

1981

what are the preventive maintanance actions taken for air circuit breaker? please answer me

2041

Explain what is electric traction?

1146

what is the vvvf in the dumbwaiter?? or lift. what is the actual process?/

2097

Vaccum circuit breaker

1395

can anyone tell me can the electromagnetic waves can be reflected back?if so how &by which material it can be reflected back?please tell me so that it can help to my wireless power trasnmission device.

1819

hi friends ,iam working as genset AVR service engineer in electrical field from past 2 yrs throughout india . i plan to shift in some other job without travelling in same field because i con't travel,i dont know what i do for that so please guide me what job is suited for me,how i can serch the job please anybody helpme iam totally confused

2029

block diagram of 2 ups system connected in parallel mode?

2084

WHERE NEUTRAL WIRE IS CONNECTED AT DOMESTIC TO TRANSMISSION LINE(SINGLE PHASE TO THREE PHASE)

1840

why do we put a transformer on soak before loading it

1154

What is purpose of reactor?.What is different between line and bus reactor?

1954

we have one oven for 12 zone we are installed ir lamp in oven we control load from thyrister and 0 to 5vdc so our zone no 8 getting bright in fraction of second so what we do.. Please answer

1746

we are going to install a solar PV site and how can we calculate PV Solar Panel Efficiency, can anybody tell me complete method for its calculation.

2135

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