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Electrical Engineering Interview Questions

what about GD square and its important for motor design?

3054

why can tv operate at low voltage??

3316

transformer is working or not with supply of DC?

3099

why we measure output of transformer in kva?

3868

220/33kv voltage level having 60MVA rating , which transformer is preferred two winding or auto transformer. why, kindly provide your strong technical valuable views.

3120

In CT,which terminal(s1,s2) need to be grounded?

6683

what is meant by 3rd hormonics ?

VRVS,

1278

Either It Possible a dc Motor to Run On Ac Drive [ Ex : ACS 800 , Yaskawa F7 ] If it is Possible How Pls Inform Me dinesh_elect_eng@yahoo.com

1355

what is meant by 3rd hormonics ?

1230

What is meant by impedance? difference between high & low impedance ?

1386

FLP zone Types and Details

4274

Where the ON LOAD TAP CHANGER is provided in the setp up transformer?

3646

difference b/w series¶llel

ABB,

5287

1357

what is mean by unity power factor?why are u calling Resistivity load also unity power factor?

3499

Un-Answered Questions { Electrical Engineering }

In hydel power plants, L.A's, S.C's are placed inside the control panel boards. what is the purpose? [already the total body was earthed to ground.]

1240

For a three phase induction motor, what will be the effect on motor if the neutral of the system is shifted to say 20 deg.?

1235

what is high - pot test. what's its use?????

1411

With a phasor diagram show the effect of increasing the field current of a generator supplying a constant real power and connected to a grid system.

1324

While converting delta into star or star into delta ,the three values of resistances remains unchanged .Find out the value?Let In star R1=x;r2=x;R3=x On converting into delta,R12=x;R23=x;R31=x Find the value of x

1291

for 4 MVA , 33K.V/6.6K.V transformer. secondary side the connected load is 3000H.P. What is the rating of capacitor bank to be insttaled.

1906

why capacitance effect is predominant in underground cable transmission and inductance effect is predominant in over head line transmission?

2994

How to do bus bar short circuit calculation for 230KV/11kv, 60 MVA Substation?

4059

How can i get my certificate of competency as an electrical supervisor? I have complicated my B.Tech from Uttarakhand technical university this year (2012).

3822

How to use computer cpu ups use for home inverter circuit board

1114

whether starting current is limited to rated current of motor through soft starting or it exceeds the rated current?

841

pls tell us AC plant are how do work and parts name with picture

1281

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

1238

How to resolve if Diesel generator stop while running ?

2441

where rlc series ckt used?

1611