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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What are locations arc protection relay is fixed.

KSEB, L&T, Siemens,

931

Zone of protection and tripping scheme of arc protection relay.

KSEB, L&T, Siemens,

1000

High speed earth switch operation with diagram

KSEB, L&T, Sanden Vikas, Siemens,

1388

Difference in load break switch, isolator and circuit breaker.

KSEB, L&T, Siemens,

1 2327

If breaker is undefined position, first step to do.

KSEB, L&T, Siemens,

1329

Load break swicth maintenance procedure.

KSEB, L&T, Siemens,

894

What is double throw isolator and single throw Isolator.

KSEB, L&T, Siemens,

1 4616

After taking shutdown of 11kv feeder, if you see 5kv by phasing stick in the cable side, is it possible to close earth switch in cable.

KSEB, L&T, Siemens,

1431

What is the main feature of v/f control?

 1 1285

will 1050kva DG set withstand for back charge of 16MVA transformer

 1005

How to calculate percentage impedance of a power transformer.

 1 1336

why we earth only one side of a power cable. And which side is advisable to earth.

 1 1439

What is the difference between earthed and unearthed power cable.

 1 1691

What happen if a 18 watt fluorescent tube is used on 36watt choke,which one damaged or not damaged, if damaged why that damaged?

Bharat ITI,

2 1670

3 phase induction motor rotor field rotate at synchronous speed w.r.t ?

 3 1797

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Un-Answered Questions { Electrical Engineering }

What's the difference between non break power supply and non break non short break power supply

644

What is the working principle of MIG welding? and its out put Voltage?

2304

how to test and calculat the head and discharge in borewell compressor

1323

WHAT IS THE DIFFERENE IN ACTION OF MCB,MCCB,RCCB

1527

if the number of poles generated in stator and rotor side of an induction motor are different then what will happen and why?

931




what is the string efficiency

3813

why and how current drawn by battery charger depends upon the altitude where it is located?

1167

What are the different circuits in thermal power plant?

227

CALCULATE THE TOTAL VOLTAGE DROP AND SELECT THE CABLE SIZE IN MM-SQARE FOR A PANEL-262KW AT 110 METER FROM THE SOURCE SUPPLY , SUPPLY VOLTAGE 240/415

1752

what is motor capacity of 80TR chiller? and also say what is the formula related temperature, motor capacity, TR?

1372

what is inter connected dc generator?

1783

please give me all the Alarm .Trip ,Safety Relays & Conditions of Diesel-generators mail me on ashokbabunhce@gmail.com

1083

Explain the operation of grid connected central solar inverter ?

595

what is the calculation formula for motor starting torque,running torque, running torque.

764

Define steady state error.

234

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