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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Please tell me the formulaes while designing a substation for power Calculations in designing a 33 KV Substation?????

1818

generally rectifying of ac tells. ac signel appear at phase and neutral with respect to frequency by -veand +cycles. but we doesn't experience shock with neutral in house hold ac??????.

ETA, RRR, TCS,

1 4804

Tell me about Simence PLC 'BLOCK'.How many types and what for.

Gurit,

1 4191

Define over current & earth fault ?how its functioning ?

1 3712

how can we choose the size of road crossing pipe for power cables

DLF,

2 4099

what is the installation process for lifts

DLF,

2322

is it necessary for 200 kva transformer to have marshaling box and cu plate earthing for neutral

Blue Star,

1 2854

redundant connection in contactor?

Emerson,

2503

why effective resistance should be more than static resistance in transmission line?

2102

what is the difference between EMF and potential difference??

3 5343

how many testing use in power transformer?tell equipment names?

ABB, Electrical,

2 5863

in basic 2 phase will short means tripping the power but spot welding 2 phase shorting but not tripping it will welded why.....(Q)

1956

3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........

1962

why using earth testing rod 15 meter 30 meter long to each other?

1 3639

1 unit or 1 kwh means how much kva

TATA,

7 23644


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

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

1073


How select ELCB for 32amp. socket having quantity 12Nos. We have to do this wiring in PLANT. Please Also explain the incoming cable specification.

1876


12.5 tons a/c is their how much kva generator can recommend to the customer.

2030


what happen if the supply is given to the stator of the 3phase induction motor with out assembling the rotor ?

1917


i am completed diploma in ece,and working in ht and lt lines.so is elligible diploma in ece for get electrical C Licence?plse give ur opinion?

1900


Explain advantages of storage batteries

1102


hey guys i scored 910 on GRE and 67 on TOEFL respectively.I have an aggregate of about 74%in my B tech.For which colleges should i apply for an MS program in electrical engineering.I am looking for colleges in NJ,SC,NC,GEORGIA, NY. Please reply with a good response.....

1958


What is earth system using on the floater TN-S or TT. Iam not sure and what ICCP

1731


What should be current in the Primary and secondary side of 1000KVA (11KV Supply)Transformer.?

1057


3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........

1962


Proviiding the Dedicated N earth and individual Body Earths ,Finally these all looped /Now my Question :- will it not harm in case of Transformer Fault current flows in Dediacted N Earthing to Looped Body Earthing.

2209


What is the ratio of true power to apparent power in an ac circuit?

1140


How the capacitance og capacitor volatage transformer is decided?

1970


Why do we require transformer with less specific weight if supply frequency is increased?

1583


Why in ESP Positive earthed

3080