Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why+ve is earthed in electrostatic precipitator in thermal power plant

2484

what is the use of sdf?

Areva, SWAN,

2103

working principle a.v.r. ?

Gem Sugars,

2423

what happen as when voltage drop(or may decrease) ? in case of atomic base theory?

2035

what type of relay has to be used for tripping the circuit from mains when a fault occur in a machine

3 4978

why electrical power has benn needed for speed controller of woodward governor control for biomas power plant

1 3484

What is the difference between EXE and EXD

1 13246

What are the neccessary safety arrangements before commissioning of HV substation?

1 3459

will a fluorescent bulb work when dc is passed through it?? if not why??

TCS,

4 20083

which inert gas is most apt to be used in a fluorescent lamp?? why ??

1 3740

any application of back emf

MahaGenco,

2128

in a distribution board,if we have a load and we have selected a cable after making all calcs (Deratings and V.D , ect...) the cable we have selected was 10mm.sq. now, shall the internal cable inside the switchboard should be 10 mm.sq Like the external or it can be Less???? if somebody have an specs or information he can help D:

1 3242

power 148kw i need exat cable size in 148 kw in 3phase what size of cable can i used.

3 5500

How can we increase fuel-power ratio of any DG set?

1819

2. The heaviest and lightest strings on a certain violin have linear densities of 3.0 and 0.29 g/m. What is the ratio of the diameter of the heaviest string to that of the lightest string, assuming that the strings are of the same material?

1 4685

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Un-Answered Questions { Electrical Engineering }

what is the use of sdf?

2103

HI....HOW CAN BE MESARED THE VALVE OF NEUTRAL GROUND RESISTOR WHIC IS LOCATED AT SWICHGEAR ON GENERATOR SIDE....

2097

Whar is the KvA rating of 33Kv substation & actual kv rating of power generaating station.

2397

I WANT YHE TECHNICAL AND ELECTRICAL SPECIFICATIONS OF 2x4MW 11KV 2x10MW 11KV 2x25MW 11KV 2x100MW 11KV HYDEL POWER PLANT i.e PROTECTION SYSTEM,MONITORING,CONTROL SYSTEM,GENERATION,SYNCHRONISATION,METERING PLEASE SEND THE DETAILS TO MY MAIL ID SPRAVEEN_222@YAHOO.CO.IN

2095

what is a vector protection in transformer

2033

how does the terminal voltage of transmission lines increase when a capacitor is connected???? This happens not only in transmission lines but also in all circuits. How??? When a capacitor is connected in a transmission line, capacitor also takes energy from the same supply. But how is it able to increase the terminal voltage??? Practically What sequence of events happen during increase in voltage???

2184

What is the function of electron gun assembly used in crt?

1186

How Calculet The UPS AH In Load

1900

Describe the colour rendering properties of i) tungsten filament lamps ii) tubular fluorescent lamp

3140

pls,send the previous year written test questions.

1924

HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS

1883

Classify drilling machines.

1168

WHAT IS MEANT BY DERATING OF THYRISTOR?

2967

What will happen if we introduce negative feedback to a control system that uses a positive feedback?

1099

if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?

1940

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