| Other Electrical Engineering Interview Questions |
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| Question | Asked @ | Answers |
| |
| What is defference between earthed and unearthed cable(HT)?
Which is better for under ground cabling? | | 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 |
| when any relay trips in any ckt then what type of setting is
there in motor?what is function of relay in that ckt? | | 1 |
| What are methods to avoid the inrush current at the time of
starting of power transformer ? | Wipro | 4 |
| If single phase voltage level is 230V than why three phase
voltage level is not 660V ?, but it is only 440V. | | 3 |
| What is the result of under frequency to the system. | | 2 |
| What is battery Limit ? | NDDB | 1 |
| who invented electricity? | L&T | 10 |
| 1.Whats the use of GNAC(Generator Neutral Accessory
Compartment)
2. why generator or any other system require Neutral
Grounding and not Phase grounding
3. what happens if any one of the phase is grounded.
4. if 15kv is grounded directly what will happen, why it
should not be grounded like that
5. use of of NGTR(Neutral Grounding Transformer and
Resistor) for grounding is helpfull and how | Powergear | 3 |
| what is the difference between between open delta and
broken delta? | Reliance | 3 |
| What is the Difference Between MCCB & ACB & VCB | Siemens | 9 |
| What is an infinite bus bar? | | 3 |
| Define current? | | 4 |
| Between Star-Delta & Star-Star Power transformer which one
is efficent for Earth Fault? | | 3 |
| what is the fuction of electrical transducer in control
pannel? | | 1 |
| what are frequency changers ? Tell me about commertially
availble frequency changers ? | GE | 1 |
| how we can calculate the transformer size. | Avalon | 5 |
| What is meant by line losses, how do you prevent the losses? | | 2 |
| Alternators are invariably star connected why? | | 1 |
| THE 40 MW OF POWER FOR 220 V III PHASE POWER CONNECTION
REQUIRES HOW MANY KVA POWEER REQUIREMENTS | Chartered-Accountant | 2 |
| |
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