Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the generation action and motoring action?

3 12124

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

4 5853

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

Divis Laboratories, ICSA,

7 8699

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

Divis Laboratories,

3 11063

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

ESRI,

2 4668

what is the function of potential transformer in s/s

6 35465

how did the testing of protection relays done through current injection

Bhel,

1615

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

2 3811

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

2 3016

how can we check the earth resistance

3 4845

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,

1 4039

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

3 6413

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?

1524

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.

1361

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

7 7062


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Un-Answered Questions { Electrical Engineering }

HOW MANY TYPES OF FUSE?

1646


if you are in a software company,then why do you want to come in a core company like sail, ntpc(where lots of trouble like tension but you have a good life in a it company) ?

1452


we have a rewind motor of 2Hp,2800Rpm, 220Volt AC. how can we choose the running capacitor for this motor, any formula for that?

1492


What is the basic principle of operation of alternators/dc generators?

622


What is CCT (Correlated Color Temperature) ?

1505






what shall be no load voltage of 132/33 kV transformer ? is it 33 kv of 34.5 kV

1714


Why Transformer Neutral having one earth pit ( more earth electrode resistance) whereas body have many earth pit ( less earth electrode resistance)?

3847


How to measure power in 2 or 4 or n phase circuit? Please give me a formula.

1465


What is the function of interposing current transformer?

604


hi everybody how to design string combiner box (scb) internal parameters like bus bar and spd (surge protection device and fuse which place to set that,and also bus bar one particular cross sectional how much heat generated and how much power loss tell me Clearly and briefly

1543


What is the use for cable entry in control room?

710


what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?

1586


how generator avr give to the input?

1492


salam&hi, i need to know about how can i calculate an enough current for the new building before i submit it to the suppliers

1617


Draw the line diagram of diffretial relay connected to transformer?

1966