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Electrical Engineering Interview Questions
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Dear Mr B C pal...Can you plz. put some light on principle of operation of Z-Ct in conjunction to its use with 1Cx1000Sqmm HT Cables & Directional Ground Fault / Over Voltage Relays...Regd..Parag v K 9899115632

 2244

Explain about 3 phase motor fault current calculation with examples?

QTC,

2410

Initially motor starts with star connection ,after few timing changes to delta connection, why the motor should run continously in star connection,it gives high torque & low current?

 3 8277

what is effect of reverse c.t connection on metering.

Cushman Wakefield,

4 14177

What are the advantages of D.O.L Starter in 3 phase induction motor?

 4 7774

while running ,synchronous generator is being turned off.what will happen to the current flow??

 1 1937

What happen if field ckt is open when a sailent pole alternator connected to infinite bus

Bhel, Nilkamal,

3 5456

without name plate detail of blower how we can find out the HP & Rpm ? the input voltage is 230v single phase

 1 3424

What should be distance required in between two phase of HT cionductors in open area??????

 3 8807

For a DY11 lighting Transformer on primary side whee to connect fourth lead? from nuetral or from ground?

Sabic,

3 4993

what heppend if we are connected u1-v1-w1 as a star point in the place of u2-v2-w2 in power genration

 1752

Dear sir, By which formula u can calculate for a particular kv line there is a range of mw.

 1698

R u say ,that is there is any flux in your room.

 1 3993

In which connection the voltage will be more , in star or delta connected motor?

 3 5552

why we do occ & scc test in transformer ?how we can do it ?

 2 10821

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Un-Answered Questions { Electrical Engineering }

What are capacitive,resistive,inductive surge absorbation? What is ferranti surge absorber? What is lagrangian cost? What is Px operator?

1484

my question is how to answer the question "you are from b.tech eee background and why do you want to go for banking

880

What is shutdown of electrical sub station?

1938

sir please send me iocl written test paper in my e-mail account. i'll be obliged to you........ thank u roshan

1765

what is the advantage of connecting capacitors in delta than in star?

1628




in Contactor opearation Why there is a difference in the values of the operate and release voltage in case AC supply

1559

What is the effect of pi controller on the system performance?

609

concept of busbar and load dispatching..?

1923

at work we have a 3 phase motor but on testing one phase isnt getting a reading. it runs 24 hours a day all week. stops and starts well no noise or heating. the phase isnt down to earth.is it just a bad meter reading or not? phases one and three came up with a resistance reading of 0.4 but phase 2 couldnt get anything shows up as open circuit.

1175

What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?

1283

plz explain the auot-reclosing circuit in electrical engineeing

1909

How many double suspension hardware fittings are required on a double circuit transmission tower?

1408

Why generation voltage in thermal power plant is between 11kv to 33kv?

615

how are reversing the direction of dc motor

1191

Can you explain about Restricited earth fault protection scheme

1402

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