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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

when transformer in load condition neutral earth testing wheater we can do it or not

1 2805

What are the protection schemes used for protection of transformers ?

Engineers India Limited,

3 6587

neutral earth resistance testing is it possible for transformer while in load condition

1273

how to identify the cable quality and what is flame proof cable

1489

Is it possible to obtain 480v or 550v in single phase output by giving the input to 230v to a single phase torodial type transformer without using a stepup transformer?

1459

what is phase angle and how its generate moreever how we measure the phasse angle?

1 3403

what is the diffrence between capasitor and battery?

2 4346

Why does inductive loads consume KVARs?

1367

why phase to phase voltage are 290 rather then 440?

Bosch,

1 4087

A FIELD MAGNET IS EXITED BY AC/DC?

4 4711

why we use isolation transformer?

Godrej,

2 5661

what is load cell? whrere its used ? how to measured?

Essar,

2 4711

how a single machine can act as both motor and generator? and give explanation interms of connections?

1 3340

why surge protectetor work explain with the help of circut diagram?

1357

On wat basis TSM & PSM are set? Example.TSM=30% n PSM=2.5A....Hw they are set and how we come to know that the particular relay should be set to this value only?

2 5074


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Un-Answered Questions { Electrical Engineering }

In synchronization circuit what is the function of Interposing voltage transformer(IVT)and Reverse voltage transformer(RVT)

10368


what is level 2 automation?

2516


what is the solution for meger test failed the MV cable?

3165


in single phase converter, the no.of scr's conducting during overlap a)1 b)2 c)3 d)4

1457


Is there any type of starter for DC motor other than two point,Three point and Four point starters?

1504






if an insulated power and control cables of a running gas diesel gensets laid direct in an open trench i.e, trench bed is not rcc of a power house in which rain water, spillage water alwas exists and all power control cables remains submerged even when gas gensets of 480 kw each runningin on load. These power &control cables runs from power house to switchgear room through these trenches in which water remains most of the time. pl explain its merit & de-merit

1267


whatare the disadvantages occur,if the form factor of transmission will not be equal to 1.11

1267


transformer phasor diagram under load explain it?

1486


How do you select the pickup value of the relay?

572


A jet of fluid strikes a plate What was the force required to counter it?

1297


Explain about how is it working Earth fault'relay and wahts the resistance value of earth bed

835


which model T or pie model is prefarable in power syatem

1248


what should be the ideal gauge of wire (In sq mm) for different loads in Ampere?

764


the winding of Generator and Motor is star or in delta ? and why

454


When is lag lead compensator is required?

478