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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

In what condition the HT fuse breakes?

2023

What is mean by retrofitting of machine tool please brief.

1 3521

What is the difference between Busbar Chambar, MCCB board and MCB Board? How to choose to use which one in the system?

2 10223

1)What will be full load current for 1000kva 3 phase generator. 2)What will be full load current for 20Kva 1 phase inverter.

5 9826

Why P.F(power factor)relay should not be connected to the D.G(diesel generator) incomer side

ABB, Corsa,

1 4174

Why are short circuit ratings always 16kA,25kA,36kA and 50kA.Who has fixed these?

4279

What is the maximum percentage voltage drop (vd%)for a motor control center

2014

what is the function of impulse relay

2521

why connecting surge unit in contactor coil

1886

can you please send me the technical questions and aptitude questions of honeywell and jindal steel electrical engg. question paper my e-mail ID is(kkesavanraj@gmail.com)

1994

1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?

2546

In EB metering we face problem kva jump even in no load condition.can any one help to control this

1835

how to calculate bus-bar sizes? (copper bus-bars)

2 17830

What is GNR ? How much value of ground neutral resistance?

9 14788

Why transformer neutral earthing? What is advantages?

3 6812

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Un-Answered Questions { Electrical Engineering }

difference between a diode and thyristor?

2239

How 48-relay (incomplete sequence) functions?

4100

If we need 4c× 50mm sq cable but it's not available so we can pull 4c×25mm sq two cables?

1416

What are the special cables required for explosion proof wiring?

16709

how to calulate short circuit current for the following: 1.cable connecting 11KV of 22KV/11KV transformer to 11Kv of 11KV/415V transformer 2.what cable size should i use.

2152

difference between semiconductor & conductor & insulator?

2376

how to decide no of electrodes for 1600A LT Main incomer panel

1664

3phase motor can be used as a Prime mover for alternator.

1603

What is speed mode?

1712

Leakage current,un balance current which relay using for high voltage transmission?

2162

1)what is the function of a frequency inverter? 2)If a few frequency inverter are connected onto a device network,what are the two setting that will ensure the frequency inverter work properly on the network. 3)whats is the name of the input sensor for weigher? 4)How to confirm that the load cellis faulty? 5)Describe briefly the steps to validate that the weigher is working properly? 6)Describe the procedure to validate the flowmeter accuracy? 7)Describe briefly the steps to validate that the tempreture sensor/transformer is working properly. 8)what is the adjustment that need to be done when you are calibrating the temperature transmitter ? 9)what are the safety measures to be taken before disconnecting motor for rewinding. 10)whats is the synchronous speed in rpm of typical 4pole 50hz motor? 11)whats is the formula for kw, ohm's law 12)if a 3phase motor is rated 3kw,415vac,what is it's rated ampere?

1860

why output is out of phase in case of common emitter?

2143

1.why we are using metal oxide gapless block in lightning arrester,2.What is minimum and maximum rating of metal oxide blocks using in india

1969

DESCRIBE THE CONSTRUCTION ANDOPERATION OF BELT CONVEYORS AND SCR CONVEYORS , DRAW NEAT SKETCHES

2074

How can we calculate the KVA rating of a Distribution transformer from its core details?

2069

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