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Electrical Engineering Interview Questions
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Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

1280

Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

1723

various transmission tower like .,D tower ,K.C.O tower ,C.C.O tower,K.C.R tower ,C.C.R tower ,H.C.O tower in different tons.

1797

1.ZEBRA conductor(large size) 2.KUNDHA conductor( small size ) 3.panther conductor(very small ) 4.lepard conductor (very very small)

1845

I COMPLITED MY B.TECH AND 10TH CLASS WITH 70%MARKS BUT 12TH CLASS 55%MARKS..CAN I GET INDIAN RAILWAY RECUREMENT EXAMINATION?

UPSC,

1300

what is unit of inductance

Bhel, Bosch, OSML, Vijai Electricals, Voltage,

12 8637

work of choke in florocent tube circuit ?

Bhel,

1153

Does the motor power displayed on the Motor name plate is the mechnical power motor delivers or it is consumed power from the system?

2 2460

I am using submission of two ct in one and half scheme for 67/67N protection. Both CTs star point is grounded separately near ct box.Will two point ground give wrong tripping to 67/67N during fault or no matter.

NCC,

1225

A 10 kva ,400v/200V , single phase transformer with 10% leakage impedance draws a steady short -circuit line current of

1 6368

i am an maintenance engineer. one distribution board have 5 feeder. recently its ELR trips frequently, but it take some times after trip( 10min,20min..)but 3 feeder no load. two feeder only loaded. i checked one feeder IR value all values are above 50Mohm.but B phase to Earth is only 9Mohm.any problem about low value

951

what is the transformer turn ratio formula and give some examples?

UPPCL,

1572

if installing the transformer why put the sprit the stone ?

1 1901

how to calculate the distance relay faulty zone?pls explain?

1177

explain transformer ct connection?

1025


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Un-Answered Questions { Electrical Engineering }

what is R Core Transformer. how it differs from normal transformers. dont search in net and post the answer.

1181


how to i get B licence,i am completed BE electircal and electronics engineering.i want to konw the proceduure to get b licence

694


sugest any typical project ?

985


What is power relay?

216


How to calculate the Efficiency of Chiller

2423






WHAT R THE SAFETIES IN A HIGH TENSION PANEL N LOW TENSION PANEL. ALSO WAT SAFETIES R THERE IN A 200 KVA TRANSFORMER?

1347


WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?

1282


draw the block diagram of fire alarm?

4469


in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.

1043


What is Phase margin?

225


what is JE exam?

1228


HOW WORK HEAT PLATE EXCHANGER

1088


Can I use star delta connected induction motor for dual supply voltage?

1109


why sielent pole is used only in hydro generators and not in turbo generators

2733


what is POTT and PUTT explain?

2246