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 to work meggar?

Anand I-Power,

1785

What is the problem of internal failure in ship engine telegraph system norcontrol?

SAR,

2344

typically in power distribution substation. 1- Any idea how would be the graph of capacitor bank consumption verses time through the day . 2- How is the switching ( on and off ) of the capacitor bank, per need?

Siemens,

1684

What's difference between a400amps lt contactor and a400amps lt circuit breaker

Indian Railways,

3 4719

What is fault clearing time for Current Limiting Moulded Case Circuit Breaker?.

DAE, Hindalco,

1747

why we use delta connection in transformer

UPPCL,

2 4213

Sir 33kva 2 transformer load 900 amp calc 1800 amp mana jayega

Classic Infotech,

1782

i have total 8 dg sets for synchronizing and 2 buscoupler,1 sectoin dg no 1,2,3,and 2 sectoin dg no 4,5,6,and last section dg no 7,8 ....if buscupler no 1 and 2 is off mode ..than dg no 1,2,3,will synchroniz of another dg sets?

Crown Buildtech,

1785

which is better to use svc or synchronous condenser why ?

1785

neutral carrying current more than phase in 3phase supply.i want to know the reason?

2 3233

Dyn1 transformer vector group testing how to do

1755

the parts of transformers ?

Bhel, Facility management,

1 3601

In the N-series schneider reclosers. What is the difference between current during fault time and current at tripping? This appears in the Event log in an event of a trip out.

Kaytech,

1810

Why short ckt does not happen when solenoid coil connected to supply. as its a wire only.

Siemens,

1 2882

what things to be considered when designing UPS

Aplab, Veta Kipawa ICT Center,

1738

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Un-Answered Questions { Electrical Engineering }

Explain Need of a starter in a dc motor.? Also explain any two starting and speed control method of dc motor?

1679

what is meant by motor startup supervision & motor load jam protection ?

5951

why electronic instruments is more favorable than electrical?

1923

boiler is running in rankine cycle and deisel generator is....?

2002

What happens if i apply 500V to 440V rotary Switch ?

1792

what r the safety measures in UPS ? explain all?

2186

What is meant by system?

1018

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

1908

Why the magneti fields are not passes from southpole to north pole

2071

As we use capacitior bank in 3ph ckt for improvement of PF, why not we use capacitor in single phase domestric use, at our house their are many inductive equipments,like fan,mixer,tube choke,air conditioner they also draw PF... by using capacitor can they improve PF. if yes--what are advantage and how to connect a capactor in single ph,and which type of capacitor if no- what are disadvantages.

1815

How we can determine short circuiting current any plant and for example a plant which power generation is 415 volts and plant load is 500 kw.

1956

diff b/w elcb and rccb

2246

WHAT IS AIR GAP VALUE IN MM FOR A 11KV BUSHING OF 11KV/440V DISTRIBUTION TRANSFORMER. AND AIR GAP VALUE OF 25 KV BUSHING OF AT TRANSFORMER OF 25 KV TRACTION. WHAT IS THE CALCULATION FOR THE AIR GAP PERMITTED FOR BUSHINGS AT DIFFERENT VOLTAGES.

3442

What is the function of NER and NET?

2408

What is quadrantal symmetry?

1608

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