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 7348

why used in starter in tube ligtht circuit.

College School Exams Tests, HP,

4 9587

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

CESC, HP,

11 71821

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 100551

how much UPS neutral erath leakage current.

HP,

3730

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 12075

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 11757

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 13275

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

ITC Infotech, Jindal,

19 47348

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

CPCL, Rubicon,

7 39688

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

8 21020

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

13 26357

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

2092

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 4016

What is the difference between short circuit and overload currents?

IIIT,

14 63176

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Un-Answered Questions { Electrical Engineering }

From what on-site components does the HT panel monitoring the bus-bars in a 11kV system take inputs?

2016

how to select the isolation tranformer for siemens 802dsl cnotroller

2068

which book to refer in electrical engineering for iocl exam & which book for general english.

2242

what are the steps involved in generator load test?

1555

WHAT ARE THE EFFECTS OF SERIES RESONANCE AND PARALLEL RESONANCE ON THE CIRCUITS PARAMETERS?

2066

How to know about the rating(voltage and other) of induction motor if its name plate is missing at the manufacturing site.

3379

types of central Air conditioner plant?

2172

how to design step down 12 V, 1mA small transformer from 220 V AC? Because according to VI relation and power transfer it results bulky...

2090

If rotor works in clock wise what happens

1910

If UG power cable both ends are to be earthed or what? If not why?

1945

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

1463

How to checked frequency drive output voltages?

1197

In single phase ac ups supply when current is measured with tong tester neutral current is found more than phase current.What is the reason?

2124

What type of wiring series or parallel is used for conventional and addressable type FAS & why?

1798

how to find the Motor,s insulation Power?

1763

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