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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the generation action and motoring action?

 3 12533

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

 4 6275

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

Divis Laboratories, ICSA,

7 9546

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

Divis Laboratories,

3 11628

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

ESRI,

2 4987

what is the function of potential transformer in s/s

 6 36060

how did the testing of protection relays done through current injection

Bhel,

1792

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

 2 4141

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

 2 3320

how can we check the earth resistance

 3 5239

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 4261

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

 3 6764

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?

 1701

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.

 1511

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

 7 7897

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Un-Answered Questions { Electrical Engineering }

What is mason's gain formula?

960

WHAT IS AIR GAP VALUE IN MM FOR A 11KV BUSHING OF 11KV/440V DISTRIBUTION TRANSFORMER. AND AIR GAP VALUE OF 25 KV BUSHING OF AT TRANSFORMER OF 25 KV TRACTION. WHAT IS THE CALCULATION FOR THE AIR GAP PERMITTED FOR BUSHINGS AT DIFFERENT VOLTAGES.

3212

How does HT work & Voltage required?

1918

types of central Air conditioner plant?

1860

tan delta equation test on alternators

1906




When calculation of fault current and fault Kva is to be done,why always we use per unit value and why we consider the base kva?

1586

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

1771

what is the series parallel connection of capacitors? and how can we use these application in three phase motors for controlling torque?

1775

1. what is usage for power factor in industries?? 2.why we need to monitor power factor??

7249

IF alternator SCR value will be high means what happen in alternator efficency at operating power factor of 0.8

3546

What are the different types of LT Cables?

792

for what voltage will reactive power be largest in 380 kv line : a) 375kv b)380kv c)385kv

1156

A motor running with lenze frequiency inverter stops if I REDUCE SPEED with 25% load.If I run it in High speed and medium speed running smoothly with full load.please help me to solve it.

1686

how to apply b license to c license in tneb

1496

List the advantages of star-delta starter with induction motor?

758

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