| Other Electrical Engineering Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| Why is the diffrential protection in DG. What if the CT
polarity is reversed while connecting for the same type of
protection? How polarity can be made ok? | | 1 |
| At what distance power transformer can be placed from
generating ? | NTPC | 5 |
| what is SWA type of cable????? | | 3 |
| What is mean by INRUSH CURRENT? | | 5 |
| what is lowest system voltage? | | 4 |
| how much loading in terms of ampere can put on 5 MVA,33/11
KV TRANSFORMER having rated current 263 Amp ????????? | ABB | 3 |
| why is the core of the underground cable is spiral in shape
instead of straight? | Mecon | 4 |
| what is the difference between inverter and ups & what is
the earth resistance for ups , if its high why so | | 1 |
| why transformer does not obey ohm law? | | 9 |
| What do you mean by S.F.U. unit? application of it. | | 4 |
| why 400Hz is used for aircraft systems ? | Jet-Airways | 1 |
| What is the difference between Relay and Contactor | | 4 |
| What are types of encoders? | Wipro | 1 |
| transformers parts & function of each parts | Juniper-Networks | 2 |
| Alternators are invariably star connected why? | | 1 |
| Supose we have one 220v A.C fan.if we provide 220v D.C what
will be happen? | | 5 |
| why the generating voltage in India is 11kV or why is it be
transmitted as multiples of 11 | ACC | 11 |
| Why does the power consumed is always constant even if a fan
speed is altered? | | 1 |
| Two 11 kv lines are feeding to common bus in a
substation,I have one set of CT & PT(3ct,2pt), How can I
measure both lines power using single set. | L&T | 4 |
| WHY THE FREQUENCY IS 50 HZ IN INDIA.CAN WE USE SOME OTHER
FREQUENCY.IF SO WHAT IS THE RANGE AND WHAT WILL BE THE
EFFECT IN PRESENT POWER SYSTEM IF WE CHANGE THE FREQUENCY
AS YOU SUGGEST ? | L&T | 14 |
| |
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