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 many homes can a 500kva transformer supply in S.A

1 14602

how we will deside the high voltage value

2034

why it is mentioned as 8/10 mva transformer why not directly 8mva or 10mva transformer. please explain me the full detailed reason.

Qatar Gas,

4 9482

What is disc insulator and it's application..?

2 4210

What is Long rod insulator and it's applications..? merits over the disc insulator ..?

1975

How to find earthfault location in long cable layed underground or outside.

3 5854

In single core cable, Why non-magnetic material is used??

1 3038

what is the mean of"turbo" in turbo alternator???

CCCL,

1 5554

Hi,iam a diploma in electrical engineering.rtd from indian air force in apr 2007.prsently working in reliance next link as a network maintenance engineer since 2007,can i get a job in motherson sumi.

Motherson, Motherson Molds and Diecasting Ltd.,

2414

If increased the frequency up to 1000 then what changes shows in voltage?

2474

what is the difference between synchronous motor and induction motor?

3 6517

in 11kv/400v transformer when only one phase of 11kv supply fails what happens to sec voltage and why

6 16497

In a 3 phase induction motor(without connecting supply) if we rotate its rotor by hand and check resistance of stator winding at motor terminal box its resistance varies why ??

Jindal,

3 6706

How I can Compare 120v/60Hz versus 220v/50Hz ? Please tell me both advantage and disadvantage ......

2079

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

2302

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Un-Answered Questions { Electrical Engineering }

Brief working principle of stabilizer,application & safety precautions

5736

Why we use ups battery and dsdb battery in thermal power plant

2145

how to check regenerative load in drived motor

2299

What is the function of attenuator in cro?

1249

With a phasor diagram show the effect of increasing the field current of a generator supplying a constant real power and connected to a grid system.

2021

An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor reactance at stand still is A 2 ohm B 1.25 ohm C 3.15 ohm D 2.25 ohm

2363

how to protect motor in dol starter having capacity of 30 hp.40 hp?

3251

area control error

1785

at what rate the micro controller increment its timer....is it 1micro seconds or 1/(12*10^6) seconds

1841

why do we carry out winding resistance test?

2340

what is the stear deltaprinceple?

1942

What are the advantages of thermal power plant?

1221

circuit diagram of trip circuit supervision relay

2093

What are the operation carried out in thermal power station?

1124

How can we design a HVAC Plant room which includes AHU,FCU,Chillers,Cooling towers, Pumps etc & how will they work? any Drawing if possible?

2393

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