Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why can we use cosine wave instead of sine in ac supply as both have same rms vale and ripple factor

Indcoil Transformers, Power Grid,

2076

what is the need of capacitor in transmission lines?and how it works.

SCCL,

2 4103

What is fault.?

AngloGold Ashanti, MNC,

2 3895

why US countries maintains 110v and 60HZ

1735

Is current shock due to voltage or current? pls answer

ABB,

2 6254

why are installed water leakage detection system data centers & server rooms

Reliance,

1859

internally connection of photvoltic module

1463

what is the meaning of 1250 KVA Trasformer

2 5185

What is the power factor,apparent power,reactive power and formula of power factor.

MNC,

3 4416

Why transformer is rated in kva?

L&T, NDPC,

4 7179

What are steps to be taken while designing of DYN11 distribution transformer to achieve magnetising balance?

3122

What is difference between potiential,volatge and emf

1 2852

why do mostly prefer to generate and distribute electricity in 3 phase..not in 4 phase or 5 phase.??

BSBK, IOCL, NTPC,

5 7996

If the kvar rating of capacitor bank is 600 kvar at 525V then what it's rating at 415v.

2 4908

When we need start the motor by method of star delta which size (KW or HP)motor should must be operate in Star Delta Method,

3 4076


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Explain different types of d.c motors? Give their applications

655


WHAT IS SUBSTATION & ACCORDING TO VOLTAGE HT,EHT SUBSTATION EXPLAIN IT

2703


What is kirchoff ’s current law (kcl)?

646


plz explain the auot-reclosing circuit in electrical engineeing

1915


Difference between shunt, PMG and AREP excitation. Which is the most reliable between PMG and AREP.

9026






What is state space method ? Why its used ? Can it applicable on linear, non-linear, 1st order, higher order, homogeneous, non-homogeneous, open-loop , closed loops , stable & unstable systems ?

1601


how to find number of run cable laying[LT side] for transformer & alternator secondary side? [above condition for getting output power transformer to main panel side] give the example.

1603


distribution is maximum done by a)radial b)network c) parallel d)b & c

1502


how to get electrical supervisour certificate in gujarat

1536


how to calculate the lightning arrester conductor @ no of earth pits required

1620


what is the role and fuction of automatic transfer switch in rotary ups

1448


What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?

3147


why it is not advisable to run low rating (19KVA) DG sets in parallel for long durations even though they are provided with droop ckts (QDC)

1482


Operation carried out in thermal power stations?

606


What are the applications of autotransformers?

645