| Other Electrical Engineering Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| how will you determine the short circuit capacity of a
network | Dalkia | 2 |
| How to calculate the ups battery back up? give the formula. | Cushman-Wakefield | 1 |
| what's float charger and boost charger? why it's used? | Rolls-Royce | 1 |
| How would you supply power to a village which is very far
from a sub-station and has only a 11k? | Power-Grid | 3 |
| will we have to design the UPS differently for both i.e. if
we want to connect the two batteries in parallel and/or we
want to connect the two batteries in series ? | | 3 |
| How i can identify the 220V and 110V power supply equipment?
No tag number. | | 2 |
| what is a DLC?[just dont reply its a Dual loop
controller!] Plz do Explain the advantage of DLC over PLC? | Essae | 2 |
| what are the safety measure & controls in engine? | RRB | 1 |
| What are the types of Transformer? Name them. | HSL | 4 |
| what is the formula to find out how many amps generater
takes running on full load. | | 3 |
| Why 4 pole generator generates more power and 6 pole
generates less power campare to 4 pole | Suzlon | 2 |
| In domestic supply, when neutral touches earth the earth
leakage trips. Does this mean that if the star (neutral)
point of an alternator is earthed that power will flow to
earth i.e. a direct short to earth? | | 1 |
| why use generator Earthing/Graunding. | | 3 |
| Name different types of fault and which instrument is used
to measures earth,short,open cicuit fault? | NTPC | 4 |
| What is the meaning of Dyn11 of Transformer. | | 8 |
| how to detect the presence of underground cable(while
digging road)etc. -give the name of instrument | NTPC | 6 |
| why earth hole size is biggest in socket point. | | 3 |
| Can someone tell me how to calculate the size of a power
cable? What are the factors involved in cable sizing? | | 4 |
| about transformer oil material & Test name for the
measurement of its dielectric strength & wht will u do if
its dielectric strength goes low ? | NTPC | 1 |
| what is power factor
? | KSEB | 9 |
| |
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