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,

1256

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

1293

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

1365

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

Reliance,

1296

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

1 3007

along with technical test papers

Vee Technologies,

1128

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

DDK,

1067

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

United Breweries UB,

1148

What is the main purpose of relay?

1 1648

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?

1186

for opening electrical shop, tips needed.

1380

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

1253

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

Elmaco,

1392

what is the difference between b c d curves on mcb

1334

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.

1333


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Un-Answered Questions { Electrical Engineering }

witch pump used in wtp

1612


what are the Alarm, Trip & Safety equipment (Issues) present in Power Transformers pls Mail it to ashokbabunhce@gmail.com

1446


what is frequency response?

640


application s to shunt coil

1492


XYZ

1676






State the other types of Air Conditioners?

1488


What is meant by cold loop test in instrument

2112


where solid grounding and where grounding through ngr done and why?

2087


what is a vector protection in transformer

1513


If 22 KV HT line, Current transformer is 25/5 then how to calculate multiplying factor.

597


How can find thermal state value in relay for calculate thermal overload.

1399


what is difference between isolation and ultra isolation transformer?, what is the method of testing ?

3827


difference between high and low impedance BUS BAR relay??

1061


wat is d diffr btw shunt coil and trip coil in VCB?

2340


what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?

1576