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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is ATS?and its function or operation in power system with its layout.

DLF,

1 3497

1.what is the reason for transformer and lightning arrester blast in 33kv system

ABB,

2564

How to connect a ELCB with contactor and relay ?

1900

Why a tesa lamp is glow between two phase?

 1511

what is resistance

AITM,

6 5704

why inductancce of armature inductance of dc machines is neglected?

APPSC,

2 9447

from generating station If 400v LT line length is 1000m how much voltage is drop and how do i calculate it? which cable will be use for this line?

 1529

fuses rated by amperes but not power,why?

Blue Star,

3 5567

can any one explain about when EB supply failed then how the load will transfer onto DG's step by step.

 1 2620

dear all, How do i increase UPS (1000VA)backup time ? i have connected 2 12v wold you please 120 aH battery externally. ups charge the lead acid battery only 12.7 volt. backup time only 10.00 minuts and gose off. can any one of you help me?

Technomax, ups,

1 2263

What is the purpose of Vector Group in transformer?

Andritz, ThyssenKrupp,

1 4169

how to calc. current for 5MVAR,50hz,33kv

1 3115

In a 3 phase system a neutral exists so that any unbalanced currents can flow through it towards earth.... but a phase demands a particular current as per the load attached to it....then where does the extra current come from the goes in the neutral??....I mean in an unbalanced system a phase demands a current as per its load attached....then where does the unbalanced current come from??

 1 2564

I am having 120KVA UPS,which is connected to DG & normal power. What is the power drawn by this system when system is running on DG ????

 2 3309

how to get electrical supervisor competency certificate in gujarat. i did 3 year diploma in electrical

 2063

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Un-Answered Questions { Electrical Engineering }

i want to know that what is the eligibility critaria for ongc exam?

2556

what is under coal gassification?

1622

who can measure the size of power cable?

1559

explain the function of brush less dc motor?

1570

how to produsing geretor power

1716




What are the basic component of a cro?

744

Two liquids hot and cold in two vessels are there and an metal bar acts as a conductor of heat between the two vessels. what happens then. what happens after 24 hrs?

1698

Where voltage are high and current to be interrupted is low the breaker preferred is:

1775

what is RNG in the DG synchronizing by PLC?

1612

sir pls send the je exam - 2008 and other model question papers..

1649

Ratings of power transformer,Distribution transformer.

1087

Differentiate between low pass, high pass and band pass filter?

611

What are the different methodes for calculating the short circuit Current?

1493

What is evaporator & condencer & compressor

1719

what ispositive, negative, zero sequence impedence?

1573

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