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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what is hysterisis loss and eddy current loss? how it occurs?

Aurobindo, MAHINDRA,

2 17279

In protection core of a C.T. why Knee pont voltage is greater than SLV and in metering its viceversa?

2 4489

howmany insolaters needed in 66kv line

Essar, L&T,

9 25506

maintenance parameters of sewage treatment plant

1 3572

how to calculate the breaking capacity of different breakers.

UltraTech,

2295

what are the factors to be considered while design the breaker either HT or LT??

1917

what are the types of control systems to control the speed of the motor??

1 3971

why industry prefer ht motor instead of lt motor.

2125

how to measure earth resistance of a substation

3324

how to calculate cable size in diffrent loads?

ABB, Sterling,

2083

how can we find of cable capicity in amper?how much ampere withstand by 300sqmm cable?

1 3541

what use marshalling kishock in power transformer?

2 4696

why use -48 volt DC power in telecom?

3 7568

In case of 3Phase Supply, Voltage R-Earth/Neutral - 220 Y-Earth/Neutral - 220 Z-Earth/Neutral - 220 Total is -> 660Volts Then Why it is said that 3Phase supply is 440

Hindustan Unilever Limited,

6 14463

how to wiring it with contactor and timer together

1851

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Un-Answered Questions { Electrical Engineering }

Is a 300w induction motor used in a food processor as powerful as a 1000w DC motor.

2221

distribution transformer de-rating formula on over limit iron losses

2304

(1)Can earth and be conected together (2) what is the diferent between earth & neutral

1812

what is doid

2816

what is transient voltage?

2248

would the same effect be achieved by reversing the connection to one winding of the induction motor 3-phase?

1816

what kn of disc is used in 33kv,132kv,220kv,400kv,800kv transmission line

3287

What is called limb of a transformer?

1040

what is the purpose of high speed earth switch in gas insulated substat

2991

What is touch potential and step potential?

2154

What do you understand by avr?

1053

What is the ideal position cooling fan inside the dc motor?

2090

What is safety of Ht panel

1659

2 v/500amp/hr to 1.80vpc at 20 degree celsious 2v/5ooamp/hr to 1.75 vpc at 77degree farren .this is the capacity of a battery .what is the meaning of this . can i get a detailed explenation

2302

Why is a plain induction motor unsuitable for wide speed control?

2275

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