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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what is called star connection and delta connection also purpose of this connections?

Siemens,

3 10776

what is exiter winding,stator winding,avr?how it will work?

Siemens,

1 4604

how to make neutral to ground voltage less than 5v? my house is under the high voltage transmission line so,proper grounding using rod salt n coal doesnt help me..so wat i do as i cant operate my computer ..this high voltage cause great problem to the motherboard i already two times replaced it.in my house voltage is coming near to 25 v between ground and neutral.plz kindly post ur answer to my email id manish77777@gmail.com ..

3 12839

What are the necessary solutions needed to be carried out on a malfunctioned earthing mechanism of a VACUUM CIRCUIT BREAKER.(TAMCO)

1964

why we used servo motor insted of inducation motor?

1 4023

what is IP 55 & IP 54 ?

1 5848

why we used servo motor insted of inducation motor?

1 4092

what is mind in cable

BARC,

2010

what is different between IP55,IP54 and IP66?

ABB, Global Industries,

2 56835

which technique servo motor tested o.k or faulty ?

ABB,

1 4563

Please explain me abt PQ diagaram in the power sector.

2377

Pls explain about vfd control?Where it is used, Give some example?

Siemens,

3 6642

what is the design voltage for 6.6KV 2000 KVAR HT capacitor?

1 4084

What is required of exietation to the alternater.

4 7226

what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY

L&T,

2158

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Un-Answered Questions { Electrical Engineering }

How to know Resistance and Reactance value of main and aux winding of single phase capacitor start capacitor run induction motor to find capacitor value?

1988

What is the difference between multimeter

1909

In between UPS out going changer over switch and ups raising main input, both side cable gland producing heat but the cable doesn't get heat,Why?

2227

Why syn. Generators are used for the production of electricity?

1103

any one guide me to reduce the power factor of diesel Generator from 0.97 Leg to 0.8 Leg.with out any change in my load.

1637

mention hazard experienced during installation

1939

Write the current equation in series RLC circuits.

1086

I want to know Electrical Circuit?

2122

What is contract demand in solar system?

1657

IF I KNOW THE AREA OF CROSS SECTION OFTHE WIRE , WATTAGE OF THE LOAD ,VOLTAGE SUPPLY WHAT IM GIVING TO THE LOAD AND ALSO POWER FACTOR OF LOAD ....... SO GIVE ME FOR WHAT AMOUNT OF CURRENT I SHOULD USE WHICH TYPE OF CABLE?

1857

When a single pase capacitor run motor- run on 230vac and Case(1)run with 8 Mfd 250 vac.capacitor , Case( 2) run with 8 Mfd 400vac capacitor. What is difference between both case regarding power ,efficiency etc?

2028

what is meant by vector group of a transformer? How can it be derived?

1958

how is working bearing heater?

1941

Please give me a erda placement paper

1753

Draw the circuit of clapp oscillator?

1084

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