Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How do i perform grounding of star point of Genset (400V) for making connection with step up transformer of DELTA-DELTA (400V to 20KV) ? while Genset itself has its own neutral and grounding bus bar inside genset breaker box whereas we have another neutral and grounding busbar in synchronizing panel next to genset at maximum distance of 6meter, would someone pls advice if we can only perform neutral grounding in synchronizing panel or should we ground neutral on both places inside genset breaker box and synchronizing panel.

Allied Group,

1444

How do I calculate a WTI CT ofa 1250kVA 6600/400V transformer

1464

why the perameters of secondary circuit are more important then that of the primary circuit of induction motor?

1585

If the earth is a good conductor of electricity, why don't people get shocked every time they walking on earth?

Reliance,

1481

how to check the LRS resistance .......................

1 3328

along with technical test papers

Vee Technologies,

1325

what should be correct gas pressures to be a 1.5 ac unite

DDK,

1200

How can we calculate cable size in Low voltage & high voltage

United Breweries UB,

1323

What is the main purpose of relay?

1 1965

completed BE & done apprentice at tneb & having experience 6 years. want to get c license. will apprentiship & BE be helpful for getting c license. will i get any preference by showing this?

1378

for opening electrical shop, tips needed.

1530

Form S and "c" license application both are same? @ tneb portal

1432

I have motor 1500 HP and , 4160 V , 60 HZ , then i need the rating of transformer which can feed that motor ??

Elmaco,

1584

what is the difference between b c d curves on mcb

1501

i have to install a HT panel, what components, I have to use in this and what will the diagram of that diagram,please tell me each and everything.

1511


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Un-Answered Questions { Electrical Engineering }

why genarator genarating voltage 11 KV?

1517


At full load wat is the motor p.f And at no load will is the motor p.f?

1873


how the phase convertor changes the no. of phases

1698


Define Electrical Insulation and examples of Solid,Liquid and Gaseous insulating materials?

1471


What is a DC series motor?

918






what is current check gurd relay?

2238


a 100mva,400/200v transformer has leakage impdce of 10% draws a steady state line currentof---------------

1641


where does 22kv line starts

2830


How can we calculate strength of copper hich is supplying electric power to heater and in it hold the heater also and what r all types of forces which is acting on it...

1684


How many lightning arrestors to be installed on 50MX60MX10M building and is there any formular for that?

1675


what is integrated ac contact circuit

1824


What should be the length of transmission line so that we can see/obtain the full sine wave of voltage??

1615


We have Diesel generator of 200KW. fuel consumption is always same,even connected light load or full load. Is it right?

1902


What is VCB? where it is installed at SP. What is SP?

1911


hi frenz,its aswathy.i hve aplied for the hpcl test on feb,pls send the test patern & the placement papers as soon as possible. mail-id :kjaswathy@gmail.com

1499