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Electrical Engineering Interview Questions

Send the control circuit digram of a star delta stater?

L&T,

4830

what is distribution board and panel board

14084

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

6157

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

10099

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

980

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

976

How do you commission a power Transformer?

EEI,

7894

Why alternators are designed at 0.8 pf lag?

4870

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 ?

2325

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

13433

what is use of starter motor in DG ?

12398

which type of motor is used in automatic swing gate

Sail,

1072

how much excitation voltage required to generate 1mw power?

1075

define excitaton voltage and excitation current?

31513

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

12457

Un-Answered Questions { Electrical Engineering }

hai now i am working as a electrical design engineer in construction field can i get a job in oil and gass field or power plant project as a electrical design engineer?

981

High speed earth switch operation with diagram

1326

how power is generated,and transmitted to our home..pls explain briefly in simple words.

1286

For group 1 , 2 whather i have to prepare my technical or general studies etc? and im graduate in ee engg. for wht posts im eligible for? please tell me!

1173

how to compute kvar in substation feeder to improve power factor and sending voltage

1202

What are the common sources of energy?

164

how many types of motor can be used in washing machine

1186

Trafo ratio is 11kV/6.6kv,Vector group is YND11. What will be the effect if secondary is used for earthed system.

2817

what the Microsoft .NET framework is?

982

critically criticize the application of ring main unit in power system

415

What kind of preventive maintenance are there for transformer?

1309

Operation carried out in thermal power stations?

156

with 3 phase board on a 63 amp rcd is it ok to have 6 electrical showers 2 on each phase and what problems could happen

918

what is a pilot wiring and whys that called a pilot wiers

854

What is different bewteen low or high impedance busbar protection scheme

3188