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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Approach of a cooling tower is the difference between temperatures of what factors?

Blue Star,

1193

What is Anemometer used to measure?

Blue Star,

1183

What is Tachometer used to measure?

Blue Star,

1325

Convert a star connected network into a delta connected network.

Syntel, Visa,

1171

What are the different types of transformers?

Syntel, Visa,

1245

What is the difference between alternator and generator?

IOCL,

1367

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

IOCL,

1128

Why do we mostly prefer to generate and distribute electricity in 3 phase and not in 4 phase or 5 phase?

IOCL,

1257

If VFD is On but no starting commond on it. so how many outpout voltages of VFD

1200

How to checked frequency drive output voltages?

1256

What is the Current equation in series RLC circuits.

ABB, Bhel,

1113

The SFC of an engine is 0.25 kg/kW hr. when the fuel used has a calorific value of 36000 kJ/kg. the thermal efficiency of the engine is

Caterpillar,

2072

1.25 kg of hydrogen are burnt with stiochiometric air, the mass of air in kg required is

Caterpillar,

2166

In a carnot engine with an efficiency of 40%, the heat rejected to the sink at 27 C is 60 kJ, then the heat supplied in kJ to the engine by the sources is

Caterpillar,

1130

The moisture in air will condense at

Caterpillar,

1239

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

sir please send me techinical questions for junior engineer posting in bangalore railway i am diploma holder

2143

Please help me regarding my one concern. - During earth pit testing we noticed that the Clean earth pit and dirty earth pit showing continuity (Resistance value - 5ohm) . I want to know that if both earth pit have separate location and there is not internal looping between PIT then why such continuity is showing on it . Because of this issue the field side all earthing point showing short. In PLC panel we are providing two types of earthing cable which is coming from separate earth pit (Clean and Dirty earth pit) because of earth PIT showing short our PLC is not complying spec . please help regarding this issues.

1649

what is the value of combined earthing in general electrical circiut?

1956

11 kg trivevter meter has rating of -/5amps. And pt ratio11000/110v and is connected with 11kv ct/pt unit of cr ratio 75/5amps. And pt ratio of 11000/110v while checking accuracy of meter with HT Accuchek meter what value of PT ratio and CT ratio to be filled in Accuchek meter

1994

Starting times for soft starter & power factor is thier any standard or datas available in manufactures list. Kindly suggest.

1979

how does this job compare with others you have aplied for?

1698

I am a electrical engg. diploma holder,applied for junior engineer (electrical),Kolkata RRB. Have I to attend all electrical,mechanical&civil portion in written exam.???

15685

Why a tesa lamp is glow between two phase?

2059

how to size H.T & L.T Panel ?

2192

PLEASE SEND ME NTPC RELATED INFORMATION LIKE WHICH TOPICS HAV MORE SCOPE,BOOKS TO READ,CUT OFF...PLEASE.mail at thiru.1203@gmail.com

2156

how to calculate the no load current in transformer?

2578

In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?

1277

Explain in details how you would react to an unexpected incident when your supervisor or manager is not around to give instructions?

8160

What kind of socket shall be provided for window type air conditioner with cooling capacity upto 18000 BTU/hr

1125

what is the effect of higher value of GD???

1864

For More Un-Answered { Electrical Engineering } Questions Click Here