| Other Electrical Engineering Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| What is OLTC in a transformer, specify its fuction. | | 7 |
| What type of protective system we uses in L.V. distribution
panels? | | 5 |
| At site, we have 30Kw motor (3 phase, 400V,50Hz) and FLC
54A as per the nameplate. At the time of starting it draws
840A instead of 390A (7.2%). As per the data sheet also its
390A starting current. it thru a dol starter from the MCC.
can anyone tell what is the problem in the motor | | 2 |
| How to make vector group test of transformer? | | 1 |
| explain the working principal of the circuit breaker? | | 3 |
| When a square wave is applied to primary of a transformer
then what will be output wave form of secondary ? | TCS | 9 |
| what is anode and cathode?? | Bombardier | 2 |
| Questions :-
HR-
Q.1 about yourself & family background ?
Q.2 Why u choose Power sector as ur carrier starting not any
other sector ??
Q. 3 What think abt NTPC ?
Techincal Questions:-
Q.1 about Vocational Training……What u did , see the main
equipments….etc
Q.2 Why a transformer Noise during its running condition ?
Q.3 about transformer oil material & Test name for the
measurement of its dielectric strength & wht will u do if
its dielectric strength goes low ? ……..some discussion type ?
Q.4 What is relation between transmission lines &
Communication lines ?
Q.5 Which Machine u will prefer to use at a place where
flammable gases are coming out & why ?
Q.6 how fault in an electric system is detected & hw
protection of equipments is done ?
Q.7 Why we didn’t feel electric shock in an electric train ??
Q.8 Anything u want to ask from us ??
| NTPC | 21 |
| in our sub station why we step down firstly 33kv\11kv then
11kv to 430v. can we direct step down 33v to 430.v. | Siemens | 11 |
| There are a Transformer and an induction machine. Those two
have the same supply. For which device the load current
will be maximum? And why? | | 4 |
| how percentage impedence effect on the size of the power
transformer? | Bhel | 2 |
| How many earthings are provided for a 250KVA distribution
transformer? | | 3 |
| How to dimensioning SDCCH, LAPD and CS7 signaling on GSM? | | 1 |
| What is PF? Formula for calculating PF in HT side? | HSL | 5 |
| the voltage per turn of a primary winding of a transformer
is the same as the voltage per turn of the secondary
winding of the transformer. why? | | 3 |
| What is the difference between Rectifier & Converter? | | 3 |
| if we convert Ampers into kva,which one formula use by
us,pls tell me? | ABB | 4 |
| What happens if a three phase induction motor is suddenly
single-phased while running? Which type of winding
connection will be affected? | DRDO | 5 |
| Brief difference btween aluminium & copper conductor | | 1 |
| What is the Difference Between MCCB & ACB & VCB | | 2 |
| |
| For more Electrical Engineering Interview Questions Click Here |
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