| Other Electrical Engineering Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| Explain principle of Soft-starter & how its working??? | MAHINDRA | 3 |
| To avoid arcing what we connect in earthing. | HAL | 4 |
| WHAT IS MEANT BY LOCKING OF ROTOR IN SYNCRONOUS MOTOR?
EXPLAIN ME LOCKING IN DETAIL? | | 1 |
| 1)What will you do if main incomer VCB fail in your site ?
| Honeywell | 4 |
| Lux meter is the measuring device to measure the lux level
of lighting fixture. in industrial sector two types of
lighting fixture is being used as street lighting purpose
1. HPSV (Sodium) and 2. HPMV (Mercury). HPMV having white
light which is an combination of red, blue and yellow
colour, while HPSV haivng Yellow lighting. in HPSV red &
blue colour will be absent. during measurement of the lux
level of HPSV and HPMV fixture. 1. Lux meter can measure
the actual lux level of both fixture? 2. or it will show
false reading for HPSV fixture light as it has only yellow
light present. please give me answer | | 1 |
| What is duty cycle and protection class? | SISL | 2 |
| what is AVR in alternator how its work? | | 3 |
| why should we connect the no load components in a
equivalent circuit of transformer in parallel?why cant it
be in series. | | 2 |
| what is the tolerance of electrical frequency for India?
it's .5% or 1%? | | 7 |
| How to calculate the motor winding resistance ? | Forbis | 11 |
| which type of motor is suitable for lift? | | 7 |
| what is LDR used in street light | Cipla | 1 |
| if step down transformer step down the voltage,will current
will also be proportional step up. If yes then how
transformer handle such a large current? | | 2 |
| What do you mean by distributed winding in alternators? how
exactly is 3 phase power generated? | | 2 |
| Resistor switching is used in which type Circuit Breaker
?
a) oil filled CB b) Air blast CB c) Gas filled CB | Engineers-India-Limited | 4 |
| In a three phase transformer(delta/star connected)when i
touch one end of the bulb in any one phase and other end to
earth..will the bulb glow or not..if not why?..i'm touching
the bulb in star connected side... | | 5 |
| Why the generating station rating is in KW though the
rating of generators in KVA? | HAL | 5 |
| Why in a three pin plug the earth pin is thicker and longer
than the other pins? | | 5 |
| Why in medium voltage system(3.3kv to 33kv, neutral is
earthed with either resistance, reactance or neutral
grounding resistance? | Essar | 2 |
| If we connect the capacitor banks for DG set for maintainig
the power factor, it will effect to alternator
windings?????????? | | 3 |
| |
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