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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why do motors burn out? I understand why adding parallel loads to a power source means more current moves through the circuit, and can destroy circuit elements by overheating. What about when you have a vaccuum cleaner intake flush against a floor, a room fan sitting directly against a wall, or a power drill trying to drill through something too hard?

2022

WHAT IS THE DIFFERENCE BETWEEN NUTREL AND EARTHING

Areva,

10 14012

For 300 MW plant what is the distribution voltage

6 9609

in alternator what is use of AVR ? how AVR is operating either AC or DC?

1 5381

in alternator how we can give power to rotor ? its power is AC or DC ?

5 7009

how can u determine size of the conductor by knowing the voltage level

2 5590

why HV test for cables?.why 0.7times?

Bosch, Prince Food Products,

1 4047

What will be the output of t/f supplied with DC sourse?

2 4570

what is IP55,IP65

2 8973

what do u mean by starting torque? how it should be for a good motor? what is the relation between starting torque and power factor? What is the relation between efficiency and starting torque?

2 4357

please explain me about traction application?

2 5695

define differential current and restraining current in relays. how to calculate it by mathematically? post the formulaes.

Siemens, VPEC,

4 33949

why the rating of a transformer in kva not in kw.

9 11734

why cu losses called cu losses.

6 9701

What is the value of nuetral current in star connected load when DC is supplied to it???

1 3748

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Un-Answered Questions { Electrical Engineering }

WHAT IS THE DIFFERENCE BETWEEN GENERAL INVERTER AND SOLOR INVERTER TELL ME PLZ

2164

what is the relation between knowing of the distance between power transformer and the capacitor feeder in case of parallel operation

1937

how to decide the capacity of accl

2391

What is the formula to calculate the rating of power cable for three phase current.

2079

Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.

2021

sir,in our plant we r using SATEC PM172E power reading meeters in HT panel side it is monitoring the MB data smart viewer(sever).but last one week we did not get readings inthe server only available in meeter.tell me how communicate meter and server. and also what steps we take for checking.

2189

how does a shunt reactor maintains the bus voltage???

2022

how open delta PT works & what is its construction?

2202

What is the armature mmf in a D.C machine?

1198

LET ME NOW MORE ABOUT icu and ics for circuit breaker. how we calculate the rating of circuit breaker and i c u and ics values

2831

Which motor connection is preferable star-delta or delta-star?

1035

who invented active elements? plz give me the complte details of active elements...

1806

what is the transformer rush current?

2037

why T/F winding temp measurement cts are odd secondary current ie,109A/1.2A/1.4A?

1827

What’s electric traction?

1094

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