Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is difference between 2 pole structure and 4 pole structure in transformer yard

Hospira,

5224

is there any chart showing the suitable cable size according to AMP and length ? for three phase motors

947

My meter CT is 200/5amps Then my electrical meter MF=???please suggest

KFC,

2 2295

why is the power generator connected as star earthed or star earthed through reactance and what its features ?

1165

May I know how much values to be set for earth fault, over current and short circuit values at 11kv side? I have 11kv van 1250amps rating. Present it's taking load 80amps?

1020

What is the two pole structure?

Foxconn,

1421

why SCR use in power plant

Edison,

1 1631

Logic using 1 kV or 1,1 kV grade in house wiring Low voltage cable. Explain/suggest? some use 1kV and some prefer 1.1kV grade insulation low voltage cable why??

1211

In general bus riser follows the bus section in SWGR. What are impacts if bus section follows bus riser?

1079

What is power factor why we should maintain the power factor unless what will happen

1258

Can we use Ccapacitive voltage transformer directly for metering purpose?

1122

What is the maximum load of 240mmsequre single core cable can carry?

1 1517

I want formula to calculate cable size as per load given in length & amp. I searched many sites but didn't right answer. Please reply me asap.

1035

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

1092

How calculated single phase induction motor req. Capacitor?

1118


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Un-Answered Questions { Electrical Engineering }

Which type of motor is used in trains, what is the rating of supply used explain working principal?

779


Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?

1645


What are the advantages of nichols chart?

836


1.4 What is meant by CT knee point voltage and how would you determine it

1159


132/6.6πš”πšŸ πšπš›πšŠπš—πšœπšπš˜πš›πš–πšŽπš› πš—πšŽπšžπšπš›πšŠπš• πš‘πšŠπšœ πš˜πš—πšŽ πšŽπšŠπš›πšπš‘ πš™πš’πš πšπšŽπšπš’πšŒπšŠπšπšŽπš. 𝙸'𝚟𝚎 πšŠπš—πš˜πšπš‘πšŽπš› πšπš›πšŠπš—πšœπšπš˜πš›πš–πšŽπš› 𝚘𝚏 6.6πš”πšŸ/415𝚟 πšŒπšŠπš— 𝙸 πšŒπš˜πš—πš—πšŽπšŒπš πš—πšŽπšžπšπš›πšŠπš• 𝚝𝚘 πšœπšŠπš–πšŽ πšŽπšŠπš›πšπš‘ πš™πš’πš 𝚊𝚜 𝚘𝚏 13/6.πš”πšŸ πšπš›πšŠπš—πšœπšπš˜πš›πš–πšŽπš›?? π™Έπš π™½πš˜.. πšƒπš‘πšŽπš— πš πš‘πš’??

575






What is transister define the transister ammiter ,base, colector.

1722


when the Transmission and Distribution network where is the "feeder" lines are located? and why should be used in T&D network.....

1255


Is it good to short Neutral and Ground in the PLC or DCS main Power supply. Pls give YES or NO with reasons...? Simarpreet

2047


What is the Resposiblity of Electrical Utility Engineer

2413


to vary valtage from 0 - max a variac is necessary . so how to design for high power applications nearly about 200KW power

1583


How to calculate pitch, gauge of winding wire, and No. of turns for 30HP, 3 phase, 4 poles 50Hz, 380V induction motors

1473


what are the sample questions asking to the test cunducting for electrical superwising lisence test?

1657


What is difference is of VSD,VFD,VSDS, are they the same as the direct current to control dc using above mention

991


How they LT panel busbar size choose

1257


In hydel power plants, L.A's, S.C's are placed inside the control panel boards. what is the purpose? [already the total body was earthed to ground.]

1444