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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What does the a,b,c of 95a,95b,95c relays denotes?

KSEB,

2685

what do you understand by dressing a HT/LT pole

Federal Polytechnic Nekede,

1 2788

when a 500kva-400hz single phase transformer operated on a 100hz supply then what will be kva required

2 6269

Why is it prefer to initiate circuit breaker failure by "86" lockout relay not by "94" tripping relay ?!

OEG,

1804

Why is transformer core is earthed

3 5126

Describe kW and kva and difference between

BTM,

4 4876

harmonics filter

SEHA,

1961

what is the constructional difference between a power transformer and potentian transformer?

BTM,

1772

Can Anyone Answer anyone of these ? Q1) why direct SOLUTION of Load Flow Studies in Not Possile ? Q2)Why majority of Buses in power system are load buses Q3)Why one of the buses in Power system is taken as reference bus (slack or swing) Bus ? Q4)Bus Admittance Matrix is a sparce (means it contains some zero elements ) matrix , give reason

1927

what happens if sf6ckt breaker gas pressure is high or low about the actual rating of gas pressure(5kg/cm2)

2 3537

can you tell me/show me, how to manually synchronize 2 DG. preferred with video.

Cummins,

2 3365

What is the complete procedure of erection of electrical panel in industry

BTM, Imerys,

1877

How we select the cable rating

BTM, Videocon,

1 3720

How many power required for 1.5 to Airconditioner?

College School Exams Tests,

1 2787

How to select a cable size for particular load?

Amit Enterprises, Takasago Engineering, Techno Electric and Engineering,

1833


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

hi everybody how to design string combiner box (scb) internal parameters like bus bar and spd (surge protection device and fuse which place to set that,and also bus bar one particular cross sectional how much heat generated and how much power loss tell me Clearly and briefly

2013


What would cause a 240v choke that should give 110v out on a 16w lamp to gradually increase to 160v?

2164


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?

1910


in 132kv substation CRT means

2629


why the rotor current becomes in steady state during high slip region? please verify with equations.

1997


Pls explan the OLR setting in VCB at HT yard

2690


What happens if the negative to earth voltage is greater than positive to earth voltage in the battery of substation?

1579


how to calculate the formula of cable size if motor kw is given

2283


what is stper motor

2423


What is the difference between isolators and electrical circuit breakers? What is bus-bar?

1159


what will be happen if earth point is being used for as a neutral point for raw power , and same will be used for ups earthing

2083


how ups works ? various parts of ups and working principle

2020


How to Calculate The Neutral Earth flat design calculation for the Synchronised generator (Gen 1-650Kva, Gen 2-725Kva

1657


why should small green grass ans small plant should not be there inside the transformer Yard in the factories

1767


What is the basic rule for block diagram reduction technique?

1259