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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

how we can calculate cable size of 230v,1 hp single phase motor ? panel to motor distance is 25 meter

4 17894

In induction machine when the load increase the current will increase .why? what is the relation ship between the sleep and current drown by stater?

1 2724

can we run a motor rated 50Hz,415vac,1440RPM At higher speed then rated on name plate with the help of VFD /drive on long term basis.wheater it will effect the motor life

3 6911

In APFC panel, Why on dealy timer is used in Capacitor controlling circuit?

1 9331

How wire size can define in electrical wiring? What is the ratio?

Descon,

2258

i am trying to PSUs/govermeant jobs since last 2 years but still i m not success, plz help me.

1899

WHWT IS USE OF VACCUM CIRCUIT BREAKER

4 8452

IF 5000amp current on LT 440V. then how much it will draw amp on HT 11KV side

10 28147

why reactive power produce in generator? why inductive load absorbe reactive power?

2 6132

what happen if generator exitation lost?

7 13014

what is the basic paramter to set a electric drive

Alpha,

1 3992

what is the physical connection of a analog i/p to a analog i/p module (ab plc)and through a analog o/p module(ab plc) to a analog o/p . and how all the process control by scada

1886

if a number of plc s are there then how many modbus to be used

1929

1) name the communication cable and how it is communicate in between plc to modbus , plc with hmi? 2)name of the communication cables?

1 4279

what is the per unit cost of generation of electricity at thermal,hydro,desael,solar,gas power plant

1 4329

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Un-Answered Questions { Electrical Engineering }

what are the parameters plays a major role in Potential transformer Burden calculation??

2133

what is submersible pump?what is different between motor and sub motor?

2004

how to find 5 kilo meter long under ground 33 kv cable fault location if IR VALUE shows 0.05 M ohm @5000 volt.and cable fault locator shows some time fault distance 3 kilo meter ,3.7 kilo meter and some time 1 kilo meter? now how to find the fault location that where is leakage. note--it is tested with 5000 kv megger and insulation resistance is 0.05 M ohm. and some time 0.03 M ohm comes.

2168

What is PEC??Applications........

1924

Define load factor?

1065

What is float cum boost charging system?

2011

what are the different sizes of U.G. cable & where these cabl;es are used according to voltage ..

2070

What is the principle of HIGH SPEED DIRECT DRIVE MOTOR ?

1974

Why AC current leads voltage in capacitor and how?

2103

what is the diff. between x'mer , isolation x'mer & ultra-isolation x'mer ?????????????

2284

In a 3 phase 4-wire system. For a 3.5 core cable if all loads are single phase and balanced, what will be neutral current? will it be sum of all phase currents? Or it will be zero? And if loads are unbalanced what will be neutral current?

1663

my name is venkat .i have good percentage in my academics(ssc 86, intermediate 83 b.tech 73) my question 1..after completion of my ssc i joined in bpc but i didnt got rank in emcet so i completed MPC in one year compartmentally ..so here what am expect question from this background?

1884

Formulae for calculating the transmission line losses for different voltage levels

2131

I need HT sphere gap calibration table. Can any body help me.

1908

what is the difference b/w pvc cu conductor and cu breaded wire..?

3504

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