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Electrical Engineering Interview Questions

what is the generation action and motoring action?

11102

What are the possible causes of REF operation on a power transformer

4544

how much cuurrent flow through human body effected ????

6594

Explain the Term in CT Name Plate – Class: 5Ps

8948

what are the protections used in power transformers of 5 mva and above

ESRI,

3866

what is the function of potential transformer in s/s

33807

how did the testing of protection relays done through current injection

Bhel,

1279

If i connect aload to phase taken from one transformer and neutral from another what will happen.

2990

hai every bodi please let me know the test procedure for lightning arresters.

2260

how can we check the earth resistance

3845

how to find 5 kilo meter long under ground 33 kv cable fault location if IR VALUE shows 0.05 M ohm @5000 volt.and cable fault locator shows some time fault distance 3 kilo meter ,3.7 kilo meter and some time 1 kilo meter? now how to find the fault location that where is leakage.

FGI, OPS,

3247

what is the formula to find battery back up of ups?

5373

dg started in plc mode and load taken later one battery terminal connection will be disconnected by loose connection what will happen for dg and shall we connect battery terminals while dg in load time?

1095

can anyone tell me can the electromagnetic waves can be reflected back?if so how &by which material it can be reflected back?please tell me so that it can help to my wireless power trasnmission device.

974

If you touch power transformer........ Then , in your body current will flow or not...?

5193

Un-Answered Questions { Electrical Engineering }

What the difference between ac and dc inductor an capacitor

1346

What is a single phase autotransformer?

252

how to calculation increase capacitor,increase power factor for three phase.

1283

why only exciting current is shown not primary current in transformer???

995

What is cable tray, its type, and its support?

262

WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?

1312

What are the parts in a inverter?

1163

why the neutral line is not giving shock to us if we touch it ?

934

What happens to voltage when current is zero?

241

what is breathing?

897

where rlc series ckt used?

1327

why we have and use 3 phase not 2 or 4 or other in power system?

1292

what is the difference between earth leakage and earth fault?

1329

What is VCB? where it is installed at SP. What is SP?

1312

-How do you select cable size for a given load at a given distance from source of supply. How do you find voltage drop.

975