| Other Electrical Engineering Interview Questions |
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| Question | Asked @ | Answers |
| |
| I have recently seen a transformer which had two primary
terminals and was connected between two lines,i would like
to know what kind of transformer is it?short discription
about it,any advantages,purpose of usage of the
same............. | | 7 |
| What is mean by INRUSH CURRENT? | | 5 |
| Transformer's core is made up of which material and why so? | NTPC | 3 |
| How i can identify the 220V and 110V power supply equipment?
No tag number. | | 2 |
| what is electricial and mechnical interlock. | HP | 1 |
| WHAT IS DC COMPONENT IN CIRCUIT BREAKER? | | 3 |
| what happens if generator is running leading power facotor? | century | 6 |
| what is difference betn neutral & earthing ? | | 2 |
| 2 Diesel Generators 900KVA connected to the bus bar for
essential load as an alternative for power taken from
11/440V 3KVA Transformer supplying this bus bar. my
question here is in the event of power failure on 11KV side
can I feed the power to 11 KV bus by using the same
transformer as reverse feed, what will be the inrush
current??? | | 3 |
| what is the difference between thermal magnetic release and
microprocessor based release breakers. what are the advantages
of latter over the first one... | TCS | 1 |
|
in three pin pluge there three pins one is phase and second
is earth third is nutral why nutral high diameter compare
with phase and earth | Radiant | 5 |
| how to use single phase supply for a three phase equipement. | | 8 |
| how to reduce power loss when the tranmission under long
distance? | | 12 |
| WHAT IS THE REASON FOR LOW VOLTAGE IN HOUSES? | | 6 |
| which %age of corona losses increses if frequency is
increased to 25%. | Maihar-Cement | 2 |
| What does negative slip of an induction motor signify? | | 4 |
| How to calculate the transmission losses incase of overhead
transmission lines? | Jindal | 2 |
| What is the use of core in the transformer? | | 6 |
| We have 800KW motor operating at 6600Volt,50 Hz
supply.During 1st startup it tripped on overcurrent
trip.It's FLA is 88 Amps.The K factor of Thermal overloaaad
was set on .94 initially.then we set at 0.97 and then it
started fine.i dont understand why it tripped first?What
are the protections which comes in picture during starting ? | | 3 |
| How to take Vector group test of Transformer? | | 2 |
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