Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

Hospira,

5223

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 2292

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

1163

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??

1209

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

1256

Can we use Ccapacitive voltage transformer directly for metering purpose?

1122

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

1 1515

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?

1090

How calculated single phase induction motor req. Capacitor?

1118


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Un-Answered Questions { Electrical Engineering }

explain the types of drives

1553


what is conductor constant of raccun conductor

1771


How u can give the overload setting to any motor protection relay for a HT motors with formula and Example?

1649


In synchronous motor, how the field current is related to armature current..i know its inversely proportional..but concept wise...i was nt clear....pls help me...

1570


design of IGBT firing circuit for 11KV

2096






What are all present producing cost of Per KWH of various Fuel?

2114


what questions will be asked for 11/33KV licence interview APSEB hyderabad. Can any one share question and answers.

17396


Explain the operation principle, advantages and disadvantages of the following converters: a) A 12 pulse converter b) A Switch-mode inverter c) A thyristor inverter

1490


What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?

3420


What is transient response?

659


sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....

1737


how is find out kwh step by step

1316


how electrical earthing maintenance done in industry?

1023


why would amp draw on neutral wire be as much as amp draw on the hot leg.

1639


What is DC series motor?

720