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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Will any motor burn if voltage provided is lesser than the rated voltage???? If yes, then how is speed control possible with voltage control

2118

Why, the starting current of 3 phase Induction Motor is 7 to 8 times its rated current?

L&T,

9 36641

what is smartµ grid technology?under coal gassification?

1911

what is under coal gassification?

2029

How 48-relay (incomplete sequence) functions?

4039

To attain a powerfactor more than .95, how much kvr should we use for 100 HP of current

Bhel, Scooters India,

4 9946

Hi everyone. Some Generators uses 3-Pole breakers with extra contactors for Neutral. Some uses 4-Pole. Why so? What is the idea behind this? Thanks in advance for the solution. Kr.

2029

1.protection used in transformer ? 2.Why breather called breather ? 3.Working of conservator tank.? 4.Speaker of parliament ?

Power Grid,

4 11030

How to choose size of the cable w.r.to current carrying capacity ...

L&T, Saams,

2166

what is the meaning of cable Glanding can you explain brifly?

2 16625

Why CTs are connected in star on T/F delta connected winding side & in delta on T/F star connected winding side for T/F differential protection?

2 5468

why servomotor motor? where i apply for best output?

2005

what is mutual induction principle?

2 5026

what is softstarter? explain briefly where it is used?

Essar,

2 7160

how to calculate cable size, olr rating, contactor rating and mccb rating,to below given details three phase motor 75 kw,415 v,.85 pf,50 hz?

Cabin Crew, Essar,

5 73673

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What is Electrical Grade Aluminum for Tubular BusBars. i am confused between 6063 and T6 or T5 and what is BS 2898 and BS 159?

1794

how to check ac servo motor

2217

hai...... tis is Hemanth. jst now completed electrical engineering... i wanna to apper for ap tranco exam... plzz send me the previous q's paper link......thanx in advance.

2065

On what principle electric motor works?

1159

WHat is the general checks required for Dry type transformers

2036

WHY THE DIMENSION OF TWO SAME RATED MACHINE IS DIFFERENT ?

2113

what is the common earth

1035

Do closed loop systems require manual input?

1109

stand by earth fault protection (51G) for transformer rating 2000 kVA,Dyn11,33/0.400 V. LV NCT ratio and necessary resistor and metrosil values how to calculate

2759

EXPLAIN THE ESSENTIAL FACTORS WHICH INFLUENCES THE CHOICE OF SITE FOR A HYDRO ELECTRIC POWER PLANT

2201

CPC cable .PVC \1C....I want to get sure that type is flexible indoor or to be install on trench. please advice .thanx :)

1792

hello friends..... any one have papers or any study materials?sail ,hpcl...?

1849

what will happen reduce the transformer voltage from 415v to 406v, is it save the energy,? are this methodis good to reduce the energy.?

1469

Why IR value of the (HT cable Plus synchronous motor) is less while individually having IR values in GΩ?

1757

what happens to the supply voltage if there is any change in frequency?

6360

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