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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the minimum IR value of HT/ LT cable? Pls post separetely!!!!!

Bhel,

1364

What is warm / cold start of HT motors. How many warm start & cold start are possible in a day?

1172

Waht will happened if reactive power increase in the line? waht about active power increase too?

3 7889

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

1232

What is inrush current? how can calculateit? what is the affect of it?

1059

how to calculate the torque of a motor?

1159

Is VVVFD reduced the starting current of an induction motor?

1 2001

Why ELCB trip, when neutral touch with ground?

1 3437

What is the important precuations need tocarried out while working with Electrolite in Battery PM?

1075

Why battery chargers are use in substation?

5 23321

What is IPXX?

2 9144

What is core CT & it's function?

1188

A ii kv 1200 A Breaker combination fixed in a cubicle. How many ampere Fuse is required? If fuse is not using, Why?

1073

What is the important parts of SF6?

2 3587

I decided to provide a 11KV / 440V Xformer in my Substaion. What are the protection required for that?

5 6195


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Un-Answered Questions { Electrical Engineering }

we are having 110 Kv,250mA Electrostatic precipitators for coal fired boilers. what will be static voltage and current after discharge and what time it will remain before earthing?

941


what is the power factor used by the PHCN in nigeria? 2. what is the difference between an alternator and generator. 3. Generation of poweris in KV but how is transmission is in MW. 4.If the transmission of power is 20,000MW how can it be increaesed to 80,000MW

7192


Which material is used for the core of a transformer and why?

190


What is polar plot?

205


Where can I get CPWD electrical specifications & Shedule of rates? Please help me

1396






sir, I am from EEE branch.On feb 17 iam going to write an Exam for hindustan petrolium corporation Ltd.So plz send me the written exam pattern/Q's/interview questions.please mail to eee_dharmendra@yahoo.com

974


What is Servo Ventilated Motor?

1116


How to define Kirchhoff current law and voltage law along with simply examples.

734


Classify driling machines.

198


how to find the multiplication factor for digital energy meter and analog energy meter

1329


Where can i get practical knowledge of solar system?

503


why i can not use thimble on capacitor duty contactor

418


advantages and disadvantages of inverse definite minimum time RELAY

548


How one can check the MAIN of a house wiring ?

1021


what kind of technical test that i need to learn because i have an interview tomorrow.. please someone help me..

1032