Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What is the difference between earth resistance and earth electrode resistance?

1 11765

how many types of dc batteries standards are present?

2 5053

which power plant has high load factor?

APTransco,

12 22964

please explain power factor in simple words.....

3 7370

what is meant by Hrc fuses.?In the distribution system different rating hrc fuses are used for tranformer(which is 3k,6k,10k,15k etc).what is k?.plz any brother tell me about k?

1 5386

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

2093

This is urgent!! What is a Thyristor-based 3-ways selector switch with Zero crossing control? how does it operate and where is it mostly found in a system?

2069

how to compute kvar in substation feeder to improve power factor and sending voltage

2140

define the power factor in one word

12 18982

1000 W bulb takes 4.16 Amps at 240 volt then what will be the KWH & if i am using 1000 W bulb at 180 Volt the amps will be 5.55 then what will be KWH????????????????

2 5666

How do we calculate the Out put voltage of generator, after the excitation is being given?

1930

What is the simplest formula to calculate the rotor diameter of a synchronous generator?

PEI,

2449

How do we calculate the out Put voltage of generator, after excitation being given?

2 5249

We have one Energy meter for Measuring the voltage,current,power,energy(KWH,KVARH,KVAH) & power factor.The problem is that the meter does not show whether the PF is lagging or leading.So i want to know that is there any way or calculation to find out that whether the PF sign (lagging or leading) depending upon the above mentioned parameters?

4 9326

How do you select a cable size(Cu & Al) for a particular load?

2 6556

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Un-Answered Questions { Electrical Engineering }

i need some project topics along with circuit diagram in the electrical adnd electronics engg and also give ome website regarding projects.my mail id is thenmozhi2k7@gmail.com .please help me.

1962

PLZ SEND ME SOME UNIQUE PROJECT OF ELECTRICAL ENG (B.TECH)

1957

What are conduct on the testing in cf in ur site?

1669

What is the function of retrip in busbar?

1505

Why you are switching off arc protection mcb when you are taking shutdown for lv board.

1697

What is Icu and Ics and what is difference b/w them. please tell me how to calculate a size of a copper bar for a system or a breaker... reply on... king.arish@gmail.com would be waiting for a logical answer.

2459

What is meant by impedance? difference between high & low impedance ?

2062

What is meant by earthhing of a magnetic flow meter and when to use empty pipe detection?

2239

How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?

1983

sometime battery charged and then automatically charged when rectifier ON conition, is there any chances please clarify the same.

1895

During FEED, you will have all the information with regards to cable. How will you calculate the MTO for MV and LV Cables? what are your considerations?

2471

what is control supply rating of a machine

1989

Define newton's law of viscosity.

1213

Can RCD's used to protect the VVVF drive if not why.

2153

Why are iron cores in transformers made laminated?

1120

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