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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How will polarity test of Dy5 Transformer ?

 1692

how to remover corona effect and hysteresis losses from contactor

 1554

WHY IN WESTERN COUNTRIES THE ELECTRIC SHOCK IS VERY SLOW AS COMPARE TO INDIA.&IF ANY ONE HAVE CORRECT KNOWLEDGE THEN SEND OTHERWISE NOT

 1 3472

what would happen if u assume to insulate all the overhead lines and no insulators....??do you think it to b an advantag or a disadvantage??justify.

 3 4653

How can we increase the capacity of exixting capacitor bank??????????????? PLS. Help

 1 3216

how to calculate no load losses units comsumed by transformer

MRF,

2 6755

how many units consumed by a 33/440 2000 kava transformer in a day

Infosys, MRF,

3 8900

why do we prefer a 3-phase delta connected load rather than star connected?

 4 6295

The neutarl to earth voltage in system is 7volts on Electricity power but it lowers to 1.3volts when load transfered to DG power.what may be the reason.

 3 4546

why battery is connected in parallel ?

 7 7756

what happens if dc supply is given to the transformer?

 10 14898

why indian power system having 11.22,33 KV ???

Titan,

6 9474

What is the Gap Should maintain for HT cables crossing of LT Cable?

 2 6586

in soft starter system for 375 KW 3 ph induction motor for multi stage vertical pump, two thyristers failed causing shorting of thyrister. the motor winding failed while starting.What is the cause and what is the effect in above case

KPCL,

1 3659

what would happen when synchronous motor will operate beyond syncronous speed?

 3 4258

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Un-Answered Questions { Electrical Engineering }

what will be project cost for 100 kv transformer connection under oyt scheme.

2397

how cables go in and come out for distribution from the feeder pillar box?

1589

Explain thin film resistors and wire-wound resistors

631

at work i have a genertor/alternater what is the easyest way to work out if it is dc or ac?

1371

Can we check ELCB constantly from R1 to R8 phase in 1 no DB?

1218




Why human body feel electric shock?

619

how desiel generate sart fail of eb?

1658

How to measure current and voltage in an ELV circuit

3604

what is the difference between gas group b and gas group c electrical equipment construction wise?

1380

How many gap between finger contact in a.c.b. and v.cb.?

734

why transmission is only 3 phase and not 2 or 4 or poly phases

1701

Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV

1743

Explain the function and difference of Restricted earth fault, simple earth fault and sensitive earth fault with connection diagram.

2143

while starting a liquid starter ,is there any volage drop on water/soda on tank.can we touch the tank on starting?

1434

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

1485

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