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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

which type of stability limit is higher,steady state or transient? why?

1855

Why do you have to use Protecion relay with the function MTB ( Mechanical Trip Button ) for electrical system.

DT Technologies,

2155

Why the rotor winding is short circuited of induction motor

1 4677

what is surge??

1 3419

What is real time power factor control panel(RTPFC)?

4269

how dia of wire and angles are calculated for overhead shielding wire to protect substation equipment from lightening strokes???

1991

what is transient voltage?

2208

Control cables in S's will carry 1000v which is AC R DC? Pls answer me

2115

what type of earthing do for dry fissure rock?

2410

why is use the star and delta connection and difference

1 5969

Is a 300w induction motor used in a food processor as powerful as a 1000w DC motor.

2171

what is work of CTPT in 33/11kv Substation

Fiat,

1 7205

what will happen power cables laid without gap in underground

1 4544

what is the IEC standard for Power Cable installation in onshore (like in direct buried ground or above groung)

L&T,

2668

What is the Load Capacity of Panther conductor (0.2) and dog conductor (0.2)

Greenko Group,

2782

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Un-Answered Questions { Electrical Engineering }

if the load is 80 amp for main fuse and 100 amp for breaker so how can we calculate the cable size (cooper ) .

2029

What is minimum phase system?

1102

Define norton equivalent circuit?

1007

What is Plank's Law?

1111

Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha

2140

for what purpose the star point is done in ct

1368

What is the use of mc( moving coil) in dc voltmeter and dc ammter and what is the use of ( moving iron)in ac voltmeter nd ac ammeter

2857

low frequency protection why recomend?

2244

Which type of air compressor is used now a days in the market. Keeping in mind of energy efficiency and maintenance points. Relevant documents may also be sent on mentioned email ids.

1627

Can you explain about TEE protection scheme?

2235

what is the VA(Volt-amphere)? define with calculation?

1232

What will happen if the voltage in my house drops from 220V to any lower voltage?

2138

what is the current density of copper & alluminium.

2005

I have made a 3 phase thyristor full bridge rectifier. But at the moment it is working only for the half bridge operation. Both the half bridges are on operation separately but when i put it into full bridge operation the oscilloscope output is zero. I rechecked that the pulses are correct for each thyristor. what could be the possible reason for this?

1901

What are merits & De-merits of State-Space Method? What is series programming, parallel programming, general programming & direct programming ? And, difference between these programmings Techniques ?

2373

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