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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

how to detect the presence of underground cable(while digging road)etc. -give the name of instrument

NTPC,

7 13704

how to measure the A.C flux .-instrument

NTPC,

8 12836

which subject is better to tell when hr asks the area of interest?..

2117

if step down transformer step down the voltage,will current will also be proportional step up. If yes then how transformer handle such a large current?

4 10230

What is the meaning of Fault level rating?

Balrampur Chini Mill,

1 11032

Why semi-conducting insulation is used in XLPE cables?

1 5079

I have a 600VA UPS for computer only. It holds for 20minutes only. 1. Can it be upgraded for longer period.? 2. Can it be used for one ceiling fan and a tube light? If yes, how to upgrade?

11 41544

what is the knee point voltage ? what is differtial rela? what is impedance and % of impedane? what is the postive phase sequance ? negative phase sequane ? and zero sequance impedance ? what is sortcircuit calculaion? why take calculation? define stabilty test ? why? what sentivity test? define merz protection ? what is the burden ? class 5p10, accracy, metering ct take knee point voltage test thet time what heppan why dont take knee point test to metering ct?

2804

how can we change the rotating direction of single phase AC induction motors?

Heubach Colour, L&T, MNM Jain Engineering College,

12 80973

why C T secondary are rating 5A generaly .

7 13218

why earth hole size is biggest in socket point.

5 10022

If DG runing time Neutral earth connection Dissconect what will be the effect in load and equipments.

GE, HP, Reliance,

3 9129

If DG runing time neutral is disconnected what will be the effect in Engine and Electricial panel.

HP,

2 6721

What is transformer break down voltage.And what is flash oil flash point.

HP,

1 5857

Why dc Supply used in Control circuit.

HP,

12 30878

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Un-Answered Questions { Electrical Engineering }

how to get electrical supervisour certificate in gujarat

2009

What is evaporator & condencer & compressor

2214

list of tests to be carried out at manufacturers end while purchasing a step up transformer of 11kv to 66kv ,2MVa Capacity.

2041

what is the minimum requirement gigaohms for the insulation test using 5kv in 300mm xlpe cable

2040

what is the difference between 2 way and 4 pole selector switch???

2495

whati s the sludge current in ups

2298

Name a govt approved university which have 100% online engineering course.

1753

What is sink and source?

1255

in non technical way how can u define POWER FACTOR??

1875

How can we calculate the transformer rating if the load calculated is 1000KW (11Kv Supply)?

1137

Explain how you intend to work under pressure to meet up with deadline target?

5270

What is mean by STUB protection?

2128

draw 3 phase rectifier diagram

2260

1. What is maximum permissible distance between smoke detectors ? 2. How do we decide number of smoke detectors required in a large office, warehouse, hall etc ? 3. What should be maximum height of smoke detectors ? 4. Where do we use heat detector, optical smoke detector, temperature sensitive detector ?

2960

If only R Phase is connected in 2 pole elcb, n is not connected than it will work or not in ground fault.

1494

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