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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

In power point wiring,often,we use less size of earth wire compared to phase & neutral wire and we use big size pin in pug top. how is it justified? can we use small size cable for earthing?

HAL,

3 8893

why we not using 230kv directly why we are stepping down and then stepping up

Siemens,

2 5245

practically What is power factor

6 10136

where reactive power is used

2052

how is positive, negative, zero sequence is happen.. how is effect on 3 phase system

1804

cable tray sizing & selection

1 4011

orifice sizing how done, checking & selection

1963

How PSV sizing being done

2326

how the characterstics of control valve being done

2082

what is the meaning of the HT LT transformer?

Sify,

10 76450

What is meant by earthhing of a magnetic flow meter and when to use empty pipe detection?

2239

Difference between Profibus DP/PA?what does it stand for and how is it use in process?

1 22556

How to convert a two phase power into a three phase power in induction machine?

1813

practicalLY what is impedence ...?

2 4424

if we give connection of 100watts bulb through a single phase energy meter ,the disc of a meter rotates why it happens?

1 3155


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

How to calculate the heat load for a electrical room

3085


design of IGBT firing circuit for 11KV

2642


what is active power & reactive power?

2190


Define sensitivity?

1099


How the setting of the vector surge relay shall be calculated when the relay is to be used for Grid islanding application?

2262


I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com

1811


what is effect of 5amp fuse on 2mva pry protection of transformer

1853


What does Bode plot tell you?

1400


How does a television work?

2311


which is the best institute for PLC,SCADA,DCS in hyderabad

2353


Is it possible to download the Siemens Selection Chart(TYPE 2 coordination) for 1) fuseless selection 2)Fuse selection

8226


in science exhibition how lamp can blink when you clap near the lamp ? thank you

1986


Is there any Electrical supervisor license which gives permit to work whole India rather than individual state??

1871


Name the test signals used in control system

1291


I have a drawing of a wound rotor induction motor for a crane. This crane motor has 5 forward speeds & 5 reverse speed implemented of course with different amount of resistance for each speed setting selected. What has got me scratching around is the fact that 8 of the 10 speed selections switch in uneven (unbalanced) amounts of resistances on each of the 3 connections to the motor's rotor.Can this be possible? I would have assumed this would produce unbalanced rotor currents and therefore vibration in the motor. I would greatly appreciate anyone's comments on this. Many thanks, Confused.

1873