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Electrical Engineering Interview Questions

What is the end effect of linear induction motor ??

1110

How much current can 11KV line carry? What are the formulae used to calculate current across both side of transformer? Moreover I need to know can I connect 33KV line with transformer of 1600KVA? Details are: V=415, Pf= .9

53687

What are the functions of temperature scanner in power transformer?

HCL,

1200

What are the difference between off-load tap changer and on-load tap changer in transformer?

HCL,

15436

What is Annunciation?

1129

what are the functions of current transducer and voltage transducer?

MEL,

2808

What percentage netural current is in netural depend upon the phase current

1954

in cable joints procedure what electrical problems have been solved out ?

2274

which bridge is used to measure frequency?

3069

what is the 2MVA distribution transformer efficiency

2541

i have to use generator in my project,which gen. i can use?

1865

which type your UPS on line,off line give the reason?

2581

why transformer measures in kva

4750

What is the distance between the EHV lines and also the distance for earth ??

8253

what is carona and how is occur?

3530

Un-Answered Questions { Electrical Engineering }

What should be setting for alarm,tripping and cooling fan on for power transformer's oil temp. and winding temp. indicator?

1033

State the formula for overall efficiency of thermal power station

2105

How much load can be taken for chiller from 1500 kva transformer

425

I have a relay contact rated at 220v dc which is supplied with a 24vdc from the panel,for it to trip the dampers(24vdc).What if the application of the relay changes so that it should work at its rated 220vdc then will it work at 24vdc supply given or any other consideration needs to be taken .....

1214

Starting Time of LT & HT Motor

1018

What are the function of different components of servo motor?

1118

Which is the oldest hydropower plant in india?

200

we can run 2phase as 3phase .what will be the differnce with respect to phase angle, power, current between the two modes

1178

71ohm,111ohm,95ohm,179ohm in calculate the total ohm in series circuit

790

What is the significance of integral controller and derivative controller in a pid controller?

182

How much costly in percentage wise is sandwich busduct costly than air insulated busduct of any rating?

919

what is model question rrb junior engineer electrical gr.II

1147

While testing a ZCT what parameters have to check or measure?

1437

what are the accessories need to be added while doing estimation for the following: 1.MCCB 2.MCB 3.ACB

1037

defination of controlled shunt reactor

1402