Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is an impedance & inductance ?

4 5258

WHAT IS LOAD CELL

AP, TATA,

1667

what is difference bwt active&passive component

1 3652

what is load cell

TATA, Wipro,

3 4873

What is the purpose of a process loop? What is the controllers responsibily?

1 2110

why do you give the dc supply to field of alternator

3 4315

what is 3rd Harmonics? how it is generated in alternator

Aditya Birla,

2 8409

in house wiring when two wires are same colour coding and there is no any connection one end how to find which wire is earthing wire

1 4143

I have 150/1A Rating CT Suppose if i inject 15A in CT " Secondary" means what will happen ??????

1 1748

I have 1500/1A CT If i connect this CT in 6.6KV bus bar means what will be the voltage present in CT?

KCL, MPC,

1546

Why HT voltages are expressed in 11KV,22KV,33KV and so on? (ie in times of 11)

Bhel, Park Hotel,

3 8795

why should the lowest unit of a testing transformer ( cascaded transformer ) have higher power rating??

TCS,

1862

1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?

L&T,

1666

What is the difference between Earth and Neutral?

2 4846

what the reson to use phase shift( angle) like (dyn11,Dd5 or Dy0)are usedin power and transsmison line

1 4167


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

List the characteristics of filter?

599


What are the effects of electrical faults?

579


what is mean by dual digital protection in the relay field?

1447


What are the causes of unbalanced current on 34.5kv feeder Ia=0.05,Ib= 0.25, Ic=0.15 and In=0.27 prior to tripping current are balance?

1303


What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?

722






What the difference between three phase contactor (coil 110vac) & three phase SSR (control voltage 110Vac)? May I use contactor in place of SSR?

1615


What is the function of interposing current transformer?

576


How earthing of switchgear system to be done.

1432


I have 2 KW electric water heater.I am gonna use it in controlling water temp.so I needed to increase or decrease the heating capacity.is there any electrical-electronic circuit for varying the resistance & so current?

2553


How will be the single line diagram of series trip HT breaker? how it works?

2056


Why is voltage is required to be within permissible range for an electrical equipment?

1243


Is there possible to Test Transformer for Overfluxing Capability. Or is there any firm who does Overfluxing Test on Transformer?

2607


Explain advantages of storage batteries

618


for a 500 KVA connected load, I calculated 30% of capactor for power correction. Even after using 225 KVR capactor PF is not improving. What could be reason for low Phase correction factor?

1509


What are the electrical engineer roles and responsibilities in chemical plant?

1103