Electrical Engineering Interview Questions
Questions Answers Views Company eMail

If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a campus site?

2 4016

If the ceiling fan is on slow speed, does it consume less electricity?

2 8156

If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

Focus,

2 8451

What is maximum AC & DC transmission voltage in India? and where?

12 33201

why we get 2 differnet values for power factor in 2 watt meter method in 3 phase

1356

what is the resultant phase shift in a 3 phase power system including neutral if on or more phases gets grounded or short circuited. kindly explain in detail for the reasons...

Enercon,

1 4950

what is the radio of kva & kvar or why calculated kva & kvar

3 5144

Why inverter rating in KVA?

3 16463

is that a problem if i connect a single phase load to a secondry delta connected transformer but i get a neutral from other transformer i the system?

1388

what is cascade speed control device?and how this device control the speed of motors?

ABB,

1536

If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

Focus,

1 3951

When do you use a VFD motor?

3 5693

How many 2 ton window A/c can runs on a 125 KVA generator?

7 28882

Why tripping not occur when the transmission breaks? Doesn't we provide earthfault protection for it?

1 2755

What is Bolted fault?

1671


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Un-Answered Questions { Electrical Engineering }

How to identify the start and end of 3phase 12 lead motor if U1, U2, etc numberings are lost or erased.

1703


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...

1469


what is the chiller and working principal

1851


please tell me, how i clear the objective test? when i studied form the one book after i solved the objective ,that time i solved that qes. but if i tried solve objective form the other book then i could not solved these que.

1225


i installed 100kva ups. what KVA genset they should provid in input side? plz any update formula or ans with reason.

1847






A 3 phase transformer's (Y-Y) Y and B phase is (Y and B connection not broken) broken from neutral and R and Nutral connection is ok, what will be the relay tripping and why

1460


what does a string of resistors in a series will do?

729


how to increase or decrease speed in DC shunt motor by DC convertor

1715


IF alternator SCR value will be high means what happen in alternator efficency at operating power factor of 0.8

3393


what happens if earth of 33kv cable is not connected to earthing pits? please send this query's answer to ngrm.sudha249@gmail.com

1535


Can we transmit digital signal to long distance ?

1475


i need previous entrence exam papers of nhpc.

2347


How can we decide cable size from HT panel to Transformer? Please give you reply with some examples.

1763


how to electrically make connection to ferroli GN2N?

1460


How we calculate the Multiplying Factor of Kwh meter for 3 phase alternator.

1398