Electrical Engineering Interview Questions
Questions Answers Views Company eMail

difference between ac motor and dc motor

5 15363

why aggregate is placed all around substation ground.

9 8495

whats is MARX CIRCUIT?

1 7600




What are the earth resistance Standards of 66kv sub stations according to indian norms.

2 1874

what will happen when a bulb s connected btwn two phases of a three phase delta connected source?

6 5056

why ac supply neutral should earth not in dc (-)

2 4150

Which Kind of machines(in terms of poles) give the smoothest DC

721

Which type of gas used in cylinder (VCB)?????

ICSA,

15 10599




If I want to use capacitor banks at HT (11 KV) side for maintaining power factor then which type of capacitor should I use? Plz give me the specification?? (I am using 1250 Kva transformer (11 KV/433V)).

2 7593

how to calculate lux level in out door (yard lighting) please expalin with a example

IVRCL,

1 3542

What is the major difference between cnc and plc. why cant we use plc instead of cnc

5 28133

What is difference between ball screw and lead screw.

2 6952

selection of conductor in different voltage?

TATA,

1 1591

What is the most accurate way of testing ELCB?ELCB is better than RCD?

GECO,

2007

what is MFD value in capacitor?I have 201 Kva load & reactive power is 150 Kvar. so how it is calculated?

IIT,

2 6385


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Un-Answered Questions { Electrical Engineering }

what is The difference between national electrical code and I.S.Code (electrical) and what is the value of NEC in electrical engineering field

648


how to design coil turns ?

657


Details about Flux Compensated magnetic Amplifer starter for motors

626


Why does the radius of armature is less than the radius of pole shoe?

821


What is meant by earthhing of a magnetic flow meter and when to use empty pipe detection?

652






What is open delta Xformer? It's adavntages & Use?

825


What is the range of the stator resistance of 3 phase induction motor?

641


what are carbondioxide and dcp used in fire extinguishers

799


how we calculate electrical load on a building according to area?

1402


Is a direct shorth ciruit on a branch MCCB in a Low Voltage Switchboard a correct means of tesing the performance for discrimination?

873


What is the method for testing the differential protection stabilty in generator? When the time of starting What will happen if differentail protection connection wrong means?

919


What are your future plans for the company if permanently employed?

758


HAI SENT HPCL APTITUDE QUESTION PAPER, MY EMAIL ID IS angus_eee04@rediffmail.com,angus_eee04@yahoo.com

766


can you send me the placement papers of electrical engg. from companis like NTPC,DRDO,IOCL,HPCL,BPCL etc.?If,plz send as soon as possible.Thanks.

839


does a DG set has low fault level as compared to that of a transformer.If yes then why.

616