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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Send the control circuit digram of a star delta stater?

L&T,

1 6402

what is distribution board and panel board

3 17217

how the ac voltage are selected like 220v,415v,750v,1000v& 1.KV,6.6KV,11KV,33KV,66KV,132KV,220KV & why these are selected like these orders

Jindal, JSW,

2 9611

Which one is correct mVA or MVA. Whether both the units are same for the transformer

Areva,

10 16374

how c-curve of mcb's actually looks alike?

2001

Hi Friend I am used multimeter to measure the voltage between R Phase(SS1) to R Phase(SS2). In SS1 is connected with UPS loads. But I am getting voltage between these 2 R Phases. Please give some idea friend

2175

How do you commission a power Transformer?

EEI,

1 9751

Why alternators are designed at 0.8 pf lag?

3 7725

In alternator generally we give DC voltage to field of alternator but field (excitor)produce Ac & converts into DC by rotating rectifier(RR ) then fed to rotor .my question is why we cannot give dc voltage directly to rotor instead of Excitor & RR ?

1 3876

What is the difference between IS:1554 (Part 1)/1988 & IS:694/1990 ? What do these two standards specify about?

2 21376

what is use of starter motor in DG ?

2 16568

which type of motor is used in automatic swing gate

Sail,

2061

how much excitation voltage required to generate 1mw power?

Saudi Oger,

2109

define excitaton voltage and excitation current?

Allied Group,

2 33972

define stator,rotor,excitor,rotating rectifier in generator?

Saudi Oger,

1 14295

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Un-Answered Questions { Electrical Engineering }

How will you define capacitance?

1227

WHAT WOULD BE THE FORMULA OF WIRE GAUGE FOR A FULL LOAD CURRENT

2421

What is the function of a neutral reactor.

1934

what is d check in dg 1500kva

2196

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating

2469

what irequirment need to be followed when working on live equipment

1855

What will be the effect if I use inverter as UPS mood?

2249

new 90kw motor installed so how I purchased cable ,fuse,etc please give me technic for cable selected why always capacitor delta connection

1883

For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage?

2192

how will calculate the safe starting current of 3-phase squirrel cage induction motor?

1983

should %impedance be high or low in a power transformer? if so why?

2003

which pump used in STP

2288

what is draiv work

1970

What do you mean by reach and reach the point of the relay?

1316

How does a battary stores charge in it? please explain in simple manner and in detail.thanks

2043

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